mojoshader_opengl.c
author Ryan C. Gordon <icculus@icculus.org>
Sun, 29 Jun 2008 00:28:47 -0400
branchtrunk
changeset 410 38bb72b3af8a
parent 407 620d48c5d13a
child 411 01bc1352c047
permissions -rw-r--r--
Removed obsolete SUPPORT_PROFILE_NV2 test.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
243
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     1
/**
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     2
 * MojoShader; generate shader programs from bytecode of compiled
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     3
 *  Direct3D shaders.
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     4
 *
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     5
 * Please see the file LICENSE.txt in the source's root directory.
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     6
 *
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     7
 *  This file written by Ryan C. Gordon.
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     8
 */
a0825a0d504a Added comment header to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 242
diff changeset
     9
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    10
#include <stdio.h>
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    11
#include <string.h>
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    12
#include <stdlib.h>
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    13
#include <stdarg.h>
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    14
#include <assert.h>
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    15
254
13184ff204b9 More Windows patches.
Ryan C. Gordon <icculus@icculus.org>
parents: 253
diff changeset
    16
#ifdef _MSC_VER
13184ff204b9 More Windows patches.
Ryan C. Gordon <icculus@icculus.org>
parents: 253
diff changeset
    17
#define WIN32_LEAN_AND_MEAN 1
13184ff204b9 More Windows patches.
Ryan C. Gordon <icculus@icculus.org>
parents: 253
diff changeset
    18
#include <windows.h>  // GL headers need this for WINGDIAPI definition.
13184ff204b9 More Windows patches.
Ryan C. Gordon <icculus@icculus.org>
parents: 253
diff changeset
    19
#endif
13184ff204b9 More Windows patches.
Ryan C. Gordon <icculus@icculus.org>
parents: 253
diff changeset
    20
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    21
#include "mojoshader.h"
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    22
#define GL_GLEXT_LEGACY 1
246
897868fdd958 Moved gl*.h into GL directory.
Ryan C. Gordon <icculus@icculus.org>
parents: 245
diff changeset
    23
#include "GL/gl.h"
897868fdd958 Moved gl*.h into GL directory.
Ryan C. Gordon <icculus@icculus.org>
parents: 245
diff changeset
    24
#include "GL/glext.h"
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    25
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    26
// Get basic wankery out of the way here...
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    27
250
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    28
typedef unsigned int uint;  // this is a printf() helper. don't use for code.
208
30fe7b63db09 Added STATICARRAYLEN macro to mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 207
diff changeset
    29
250
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    30
#ifdef _MSC_VER
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    31
#define snprintf _snprintf
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    32
typedef unsigned __int8 uint8;
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    33
typedef unsigned __int32 uint32;
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    34
typedef unsigned __int32 int32;
291
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
    35
// Warning Level 4 considered harmful.  :)
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
    36
#pragma warning(disable: 4100)  // "unreferenced formal parameter"
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
    37
#pragma warning(disable: 4389)  // "signed/unsigned mismatch"
250
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    38
#else
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    39
#include <stdint.h>
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    40
typedef uint8_t uint8;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    41
typedef uint32_t uint32;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    42
typedef int32_t int32;
250
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    43
#endif
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    44
b75c08291021 Visual C++ fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
    45
#define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    46
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
    47
#ifndef SUPPORT_PROFILE_GLSL
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
    48
#define SUPPORT_PROFILE_GLSL 1
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
    49
#endif
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
    50
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    51
#ifndef SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    52
#define SUPPORT_PROFILE_ARB1 1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    53
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    54
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
    55
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    56
struct MOJOSHADER_glShader
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    57
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    58
    const MOJOSHADER_parseData *parseData;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    59
    GLuint handle;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    60
    uint32 refcount;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    61
};
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    62
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
    63
typedef struct
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
    64
{
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
    65
    MOJOSHADER_shaderType shader_type;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    66
    const MOJOSHADER_uniform *uniform;
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
    67
    GLuint location;
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    68
    union {
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    69
        GLint b;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    70
        GLint i[4];
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    71
        GLfloat f[4];
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    72
    } value;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    73
    int uniform_array_consts_count;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    74
    int *uniform_array_consts;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    75
    GLfloat *uniform_array_buffer;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    76
    GLfloat *prev_uniform_array_buffer;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
    77
} UniformMap;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
    78
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
    79
typedef struct
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
    80
{
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    81
    MOJOSHADER_shaderType shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    82
    const MOJOSHADER_sampler *sampler;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    83
    GLuint location;
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
    84
    GLint value;
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    85
} SamplerMap;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    86
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    87
typedef struct
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
    88
{
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    89
    const MOJOSHADER_attribute *attribute;
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
    90
    GLuint location;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
    91
} AttributeMap;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
    92
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    93
struct MOJOSHADER_glProgram
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    94
{
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    95
    MOJOSHADER_glShader *vertex;
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    96
    MOJOSHADER_glShader *fragment;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
    97
    GLuint handle;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
    98
    uint32 uniform_count;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
    99
    UniformMap *uniforms;
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   100
    uint32 sampler_count;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   101
    SamplerMap *samplers;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   102
    uint32 attribute_count;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   103
    AttributeMap *attributes;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   104
    uint32 refcount;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   105
};
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   106
277
49a6571cac6d Patched to compile on older (?) GL headers.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   107
#ifndef WINGDIAPI
49a6571cac6d Patched to compile on older (?) GL headers.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   108
#define WINGDIAPI
49a6571cac6d Patched to compile on older (?) GL headers.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   109
#endif
49a6571cac6d Patched to compile on older (?) GL headers.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   110
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   111
// Entry points in base OpenGL that lack function pointer prototypes...
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   112
typedef WINGDIAPI void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params);
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   113
typedef WINGDIAPI const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   114
typedef WINGDIAPI GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   115
typedef WINGDIAPI void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   116
typedef WINGDIAPI void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   117
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   118
struct MOJOSHADER_glContext
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   119
{
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   120
    // Allocators...
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   121
    MOJOSHADER_malloc malloc_fn;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   122
    MOJOSHADER_free free_fn;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   123
    void *malloc_data;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   124
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   125
    // The constant register files...
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   126
    // Man, it kills me how much memory this takes...
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   127
    GLfloat vs_reg_file_f[8192 * 4];
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   128
    GLint vs_reg_file_i[2047 * 4];
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   129
    GLint vs_reg_file_b[2047];
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   130
    GLfloat ps_reg_file_f[8192 * 4];
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   131
    GLint ps_reg_file_i[2047 * 4];
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   132
    GLint ps_reg_file_b[2047];
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   133
    GLuint sampler_reg_file[16];
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   134
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   135
    // GL stuff...
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   136
    int opengl_major;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   137
    int opengl_minor;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   138
    MOJOSHADER_glProgram *bound_program;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   139
    char profile[16];
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   140
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   141
    // Extensions...
362
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   142
    int have_base_opengl:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   143
    int have_GL_ARB_vertex_program:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   144
    int have_GL_ARB_fragment_program:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   145
    int have_GL_NV_vertex_program2_option:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   146
    int have_GL_NV_fragment_program2:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   147
    int have_GL_ARB_shader_objects:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   148
    int have_GL_ARB_vertex_shader:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   149
    int have_GL_ARB_fragment_shader:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   150
    int have_GL_ARB_shading_language_100:1;
1aa8a74bb5a5 Moved some booleans to true bitfields.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   151
    int have_GL_NV_half_float:1;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   152
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   153
    // Entry points...
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   154
    PFNGLGETSTRINGPROC glGetString;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   155
    PFNGLGETERRORPROC glGetError;
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   156
    PFNGLGETINTEGERVPROC glGetIntegerv;
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   157
    PFNGLENABLEPROC glEnable;
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   158
    PFNGLDISABLEPROC glDisable;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   159
    PFNGLDELETEOBJECTARBPROC glDeleteObject;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   160
    PFNGLATTACHOBJECTARBPROC glAttachObject;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   161
    PFNGLCOMPILESHADERARBPROC glCompileShader;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   162
    PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObject;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   163
    PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObject;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   164
    PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArray;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   165
    PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArray;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   166
    PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocation;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   167
    PFNGLGETINFOLOGARBPROC glGetInfoLog;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   168
    PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameteriv;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   169
    PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocation;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   170
    PFNGLLINKPROGRAMARBPROC glLinkProgram;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   171
    PFNGLSHADERSOURCEARBPROC glShaderSource;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   172
    PFNGLUNIFORM1IARBPROC glUniform1i;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   173
    PFNGLUNIFORM4FVARBPROC glUniform4fv;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   174
    PFNGLUNIFORM4IVARBPROC glUniform4iv;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   175
    PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObject;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   176
    PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointer;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   177
    PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   178
    PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
395
d2307cc5d6e7 Use local parameters, not environment params, in the arb1/nv2 profiles.
Ryan C. Gordon <icculus@icculus.org>
parents: 394
diff changeset
   179
    PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   180
    PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   181
    PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   182
    PFNGLBINDPROGRAMARBPROC glBindProgramARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   183
    PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   184
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   185
    // interface for profile-specific things.
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   186
    int (*profileMaxUniforms)(MOJOSHADER_shaderType shader_type);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   187
    int (*profileCompileShader)(const MOJOSHADER_parseData *pd, GLuint *s);
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   188
    void (*profileDeleteShader)(const GLuint shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   189
    void (*profileDeleteProgram)(const GLuint program);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   190
    GLint (*profileGetAttribLocation)(MOJOSHADER_glProgram *program, int idx);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   191
    GLint (*profileGetUniformLocation)(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   192
    GLint (*profileGetSamplerLocation)(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   193
    GLuint (*profileLinkProgram)(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   194
    void (*profileUseProgramObject)(MOJOSHADER_glProgram *program);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   195
    void (*profileUniform4fv)(const MOJOSHADER_parseData *, GLint, GLsizei, GLfloat *);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   196
    void (*profileUniform4iv)(const MOJOSHADER_parseData *, GLint, GLsizei, GLint *);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   197
    void (*profileUniform1i)(const MOJOSHADER_parseData *, GLint, GLint);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   198
    void (*profileSetSampler)(GLint loc, GLuint sampler);
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   199
};
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   200
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   201
// predeclare some profile implementation stuff...
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   202
static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   203
static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   204
static void impl_GLSL_DeleteShader(const GLuint shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   205
static void impl_GLSL_DeleteProgram(const GLuint program);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   206
static GLint impl_GLSL_GetAttribLocation(MOJOSHADER_glProgram *, int);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   207
static GLint impl_GLSL_GetUniformLocation(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   208
static GLint impl_GLSL_GetSamplerLocation(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   209
static GLuint impl_GLSL_LinkProgram(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   210
static void impl_GLSL_UseProgramObject(MOJOSHADER_glProgram *program);
340
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   211
static void impl_GLSL_Uniform4fv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLfloat *v);
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   212
static void impl_GLSL_Uniform4iv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLint *v);
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   213
static void impl_GLSL_Uniform1i(const MOJOSHADER_parseData *pd, GLint loc, GLint v);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   214
static void impl_GLSL_SetSampler(GLint loc, GLuint sampler);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   215
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   216
static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   217
static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   218
static void impl_ARB1_DeleteShader(const GLuint shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   219
static void impl_ARB1_DeleteProgram(const GLuint program);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   220
static GLint impl_ARB1_GetAttribLocation(MOJOSHADER_glProgram *, int);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   221
static GLint impl_ARB1_GetUniformLocation(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   222
static GLint impl_ARB1_GetSamplerLocation(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   223
static GLuint impl_ARB1_LinkProgram(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   224
static void impl_ARB1_UseProgramObject(MOJOSHADER_glProgram *program);
340
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   225
static void impl_ARB1_Uniform4fv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLfloat *v);
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   226
static void impl_ARB1_Uniform4iv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLint *v);
04865e4df2f9 More work on ARB1 profile OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 339
diff changeset
   227
static void impl_ARB1_Uniform1i(const MOJOSHADER_parseData *pd, GLint loc, GLint v);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   228
static void impl_ARB1_SetSampler(GLint loc, GLuint sampler);
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   229
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   230
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   231
static MOJOSHADER_glContext *ctx = NULL;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   232
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   233
// Error state...
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   234
static char error_buffer[1024] = { '\0' };
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   235
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   236
static void set_error(const char *str)
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   237
{
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   238
    snprintf(error_buffer, sizeof (error_buffer), "%s", str);
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   239
} // set_error
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   240
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   241
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   242
// #define this to force app to supply an allocator, so there's no reference
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   243
//  to the C runtime's malloc() and free()...
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   244
#if MOJOSHADER_FORCE_ALLOCATOR
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   245
#define internal_malloc NULL
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   246
#define internal_free NULL
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   247
#else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   248
static void *internal_malloc(int bytes, void *d) { return malloc(bytes); }
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   249
static void internal_free(void *ptr, void *d) { free(ptr); }
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   250
#endif
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   251
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   252
static inline void *Malloc(const size_t len)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   253
{
307
42f6a7ba69e2 Fixes for Visual Studio level 4 compiler warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 291
diff changeset
   254
    void *retval = ctx->malloc_fn((int) len, ctx->malloc_data);
220
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
   255
    if (retval == NULL)
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
   256
        set_error("out of memory");
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
   257
    return retval;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   258
} // Malloc
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   259
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   260
static inline void Free(void *ptr)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   261
{
220
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
   262
    if (ptr != NULL)
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   263
        ctx->free_fn(ptr, ctx->malloc_data);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   264
} // Free
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   265
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   266
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   267
const char *MOJOSHADER_glGetError(void)
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   268
{
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   269
    return error_buffer;
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   270
} // MOJOSHADER_glGetError
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   271
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   272
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   273
static inline void toggle_gl_state(GLenum state, int val)
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   274
{
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   275
    if (val)
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   276
        ctx->glEnable(state);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   277
    else
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   278
        ctx->glDisable(state);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   279
} // toggle_gl_state
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   280
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   281
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   282
static void *loadsym(void *(*lookup)(const char *fn), const char *fn, int *ext)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   283
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   284
    void *retval = NULL;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   285
    if (lookup != NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   286
    {
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   287
        retval = lookup(fn);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   288
        if (retval == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   289
        {
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   290
            char arbfn[64];
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   291
            snprintf(arbfn, sizeof (arbfn), "%sARB", fn);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   292
            retval = lookup(arbfn);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   293
        } // if
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   294
    } // if
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   295
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   296
    if (retval == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   297
        *ext = 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   298
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   299
    return retval;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   300
} // loadsym
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   301
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   302
static void lookup_entry_points(void *(*lookup)(const char *fnname))
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   303
{
363
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   304
    #define DO_LOOKUP(ext, typ, fn) { \
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   305
        int exist = ctx->have_##ext; \
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   306
        ctx->fn = (typ) loadsym(lookup, #fn, &exist); \
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   307
        ctx->have_##ext = exist; \
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   308
    }
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   309
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   310
    DO_LOOKUP(base_opengl, PFNGLGETSTRINGPROC, glGetString);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   311
    DO_LOOKUP(base_opengl, PFNGLGETERRORPROC, glGetError);
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   312
    DO_LOOKUP(base_opengl, PFNGLGETINTEGERVPROC, glGetIntegerv);
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   313
    DO_LOOKUP(base_opengl, PFNGLENABLEPROC, glEnable);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   314
    DO_LOOKUP(base_opengl, PFNGLDISABLEPROC, glDisable);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   315
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLDELETEOBJECTARBPROC, glDeleteObject);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   316
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLATTACHOBJECTARBPROC, glAttachObject);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   317
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCOMPILESHADERARBPROC, glCompileShader);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   318
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATEPROGRAMOBJECTARBPROC, glCreateProgramObject);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   319
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATESHADEROBJECTARBPROC, glCreateShaderObject);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   320
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETINFOLOGARBPROC, glGetInfoLog);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   321
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETOBJECTPARAMETERIVARBPROC, glGetObjectParameteriv);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   322
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETUNIFORMLOCATIONARBPROC, glGetUniformLocation);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   323
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLLINKPROGRAMARBPROC, glLinkProgram);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   324
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLSHADERSOURCEARBPROC, glShaderSource);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   325
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM1IARBPROC, glUniform1i);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   326
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4FVARBPROC, glUniform4fv);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   327
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4IVARBPROC, glUniform4iv);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   328
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObject);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   329
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLDISABLEVERTEXATTRIBARRAYARBPROC, glDisableVertexAttribArray);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   330
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLENABLEVERTEXATTRIBARRAYARBPROC, glEnableVertexAttribArray);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   331
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLGETATTRIBLOCATIONARBPROC, glGetAttribLocation);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   332
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointer);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   333
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObject);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   334
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointer);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   335
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGETPROGRAMIVARBPROC, glGetProgramivARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   336
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGETPROGRAMSTRINGARBPROC, glGetProgramStringARB);
395
d2307cc5d6e7 Use local parameters, not environment params, in the arb1/nv2 profiles.
Ryan C. Gordon <icculus@icculus.org>
parents: 394
diff changeset
   337
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMLOCALPARAMETER4FVARBPROC, glProgramLocalParameter4fvARB);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   338
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLDELETEPROGRAMSARBPROC, glDeleteProgramsARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   339
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGENPROGRAMSARBPROC, glGenProgramsARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   340
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLBINDPROGRAMARBPROC, glBindProgramARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   341
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMSTRINGARBPROC, glProgramStringARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   342
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   343
    #undef DO_LOOKUP
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   344
} // lookup_entry_points
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   345
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   346
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   347
static int verify_extension(const char *ext, int have, const char *extlist,
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   348
                            int major, int minor)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   349
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   350
    if (have == 0)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   351
        return 0;  // don't bother checking, we're missing an entry point.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   352
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   353
    else if (!ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   354
        return 0;  // don't bother checking, we're missing basic functionality.
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   355
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   356
    // See if it's in the spec for this GL implementation's version.
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   357
    if (major >= 0)
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   358
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   359
        if ( ((ctx->opengl_major << 16) | (ctx->opengl_minor & 0xFFFF)) >=
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   360
             ((major << 16) | (minor & 0xFFFF)) )
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   361
            return 1;
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   362
    } // if
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   363
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   364
    // Not available in the GL version, check the extension list.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   365
    const char *ptr = strstr(extlist, ext);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   366
    if (ptr == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   367
        return 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   368
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   369
    const char endchar = ptr[strlen(ext)];
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   370
    if ((endchar == '\0') || (endchar == ' '))
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   371
        return 1;  // extension is in the list.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   372
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   373
    return 0;  // just not supported, fail.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   374
} // verify_extension
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   375
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   376
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   377
static void parse_opengl_version_str(const char *verstr, int *maj, int *min)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   378
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   379
    if (verstr == NULL)
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   380
        *maj = *min = 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   381
    else
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   382
        sscanf(verstr, "%d.%d", maj, min);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   383
} // parse_opengl_version_str
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   384
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   385
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   386
static inline void parse_opengl_version(const char *verstr)
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   387
{
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   388
    parse_opengl_version_str(verstr, &ctx->opengl_major, &ctx->opengl_minor);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   389
} // parse_opengl_version
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   390
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   391
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   392
static int glsl_version_atleast(int maj, int min)
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   393
{
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   394
    int glslmin = 0;
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   395
    int glslmaj = 0;
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   396
    ctx->glGetError();  // flush any existing error state.
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   397
    const GLenum enumval = GL_SHADING_LANGUAGE_VERSION_ARB;
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   398
    const char *str = (const char *) ctx->glGetString(enumval);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   399
    if (ctx->glGetError() == GL_INVALID_ENUM)
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   400
        return 0;  // this is a basic, 1.0-compliant implementation.
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   401
    parse_opengl_version_str(str, &glslmaj, &glslmin);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   402
    return ( (glslmaj > maj) || ((glslmaj == maj) && (glslmin >= min)) );
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   403
} // glsl_version_atleast
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   404
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   405
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   406
static void load_extensions(void *(*lookup)(const char *fnname))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   407
{
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   408
    const char *extlist = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   409
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   410
    ctx->have_base_opengl = 1;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   411
    ctx->have_GL_ARB_vertex_program = 1;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   412
    ctx->have_GL_ARB_fragment_program = 1;
388
5930c6cd840e Fixed detection of OpenGL extensions needed by nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 363
diff changeset
   413
    ctx->have_GL_NV_vertex_program2_option = 1;
5930c6cd840e Fixed detection of OpenGL extensions needed by nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 363
diff changeset
   414
    ctx->have_GL_NV_fragment_program2 = 1;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   415
    ctx->have_GL_ARB_shader_objects = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   416
    ctx->have_GL_ARB_vertex_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   417
    ctx->have_GL_ARB_fragment_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   418
    ctx->have_GL_ARB_shading_language_100 = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   419
    ctx->have_GL_NV_half_float = 1;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   420
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   421
    lookup_entry_points(lookup);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   422
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   423
    if (!ctx->have_base_opengl)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   424
        set_error("missing basic OpenGL entry points");
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   425
    else
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   426
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   427
        parse_opengl_version((const char *) ctx->glGetString(GL_VERSION));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   428
        extlist = (const char *) ctx->glGetString(GL_EXTENSIONS);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   429
    } // else
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   430
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   431
    if (extlist == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   432
        extlist = "";  // just in case.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   433
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   434
    #define VERIFY_EXT(ext, major, minor) \
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   435
        ctx->have_##ext = verify_extension(#ext, ctx->have_##ext, extlist, major, minor)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   436
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   437
    VERIFY_EXT(GL_ARB_vertex_program, -1, -1);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   438
    VERIFY_EXT(GL_ARB_fragment_program, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   439
    VERIFY_EXT(GL_ARB_shader_objects, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   440
    VERIFY_EXT(GL_ARB_vertex_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   441
    VERIFY_EXT(GL_ARB_fragment_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   442
    VERIFY_EXT(GL_ARB_shading_language_100, 2, 0);
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   443
    VERIFY_EXT(GL_NV_half_float, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   444
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   445
    #undef VERIFY_EXT
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   446
} // load_extensions
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   447
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   448
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   449
static int valid_profile(const char *profile)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   450
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   451
    if (!ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   452
        return 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   453
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   454
    #define MUST_HAVE(p, x) \
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   455
        if (!ctx->have_##x) { set_error(#p " profile needs " #x); return 0; }
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   456
291
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   457
    if (profile == NULL)
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   458
    {
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   459
        set_error("NULL profile");
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   460
        return 0;
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   461
    } // if
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   462
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   463
    #if SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   464
    else if (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   465
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   466
        MUST_HAVE(MOJOSHADER_PROFILE_ARB1, GL_ARB_vertex_program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   467
        MUST_HAVE(MOJOSHADER_PROFILE_ARB1, GL_ARB_fragment_program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   468
    } // else if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   469
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   470
    else if (strcmp(profile, MOJOSHADER_PROFILE_NV2) == 0)
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   471
    {
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   472
        MUST_HAVE(MOJOSHADER_PROFILE_NV2, GL_ARB_vertex_program);
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   473
        MUST_HAVE(MOJOSHADER_PROFILE_NV2, GL_ARB_fragment_program);
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   474
        MUST_HAVE(MOJOSHADER_PROFILE_NV2, GL_NV_vertex_program2_option);
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   475
        MUST_HAVE(MOJOSHADER_PROFILE_NV2, GL_NV_fragment_program2);
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   476
    } // else if
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   477
    #endif
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   478
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   479
    #if SUPPORT_PROFILE_GLSL
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   480
    else if (strcmp(profile, MOJOSHADER_PROFILE_GLSL120) == 0)
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   481
    {
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   482
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shader_objects);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   483
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_vertex_shader);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   484
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_fragment_shader);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   485
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shading_language_100);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   486
        // if you got here, you have all the extensions.
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   487
        if (!glsl_version_atleast(1, 2))
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   488
            return 0;
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   489
    } // else if
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   490
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   491
    else if (strcmp(profile, MOJOSHADER_PROFILE_GLSL) == 0)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   492
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   493
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shader_objects);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   494
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_vertex_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   495
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_fragment_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   496
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shading_language_100);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   497
    } // else if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   498
    #endif
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   499
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   500
    else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   501
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   502
        set_error("unknown or unsupported profile");
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   503
        return 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   504
    } // else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   505
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   506
    #undef MUST_HAVE
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   507
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   508
    return 1;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   509
} // valid_profile
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   510
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   511
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   512
const char *MOJOSHADER_glBestProfile(void *(*lookup)(const char *fnname))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   513
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   514
    const char *retval = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   515
    MOJOSHADER_glContext _ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   516
    MOJOSHADER_glContext *current_ctx = ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   517
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   518
    ctx = &_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   519
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   520
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   521
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   522
    if (ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   523
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   524
        static const char *priority[] = {
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   525
            MOJOSHADER_PROFILE_GLSL120,
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   526
            MOJOSHADER_PROFILE_GLSL,
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   527
            MOJOSHADER_PROFILE_NV2,
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   528
            MOJOSHADER_PROFILE_ARB1,
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   529
        };
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   530
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   531
        int i;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   532
        for (i = 0; i < STATICARRAYLEN(priority); i++)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   533
        {
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   534
            // !!! FIXME: if Mac OS X <= 10.4, don't ever pick GLSL, even if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   535
            // !!! FIXME:  the system claims it is available.
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   536
            if (valid_profile(priority[i]))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   537
            {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   538
                retval = priority[i];
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   539
                break;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   540
            } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   541
        } // for
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   542
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   543
        if (retval == NULL)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   544
            set_error("no profiles available");
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   545
    } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   546
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   547
    ctx = current_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   548
    return retval;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   549
} // MOJOSHADER_glBestProfile
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   550
391
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   551
static inline GLenum glsl_shader_type(const MOJOSHADER_shaderType t)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   552
{
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   553
    if (t == MOJOSHADER_TYPE_VERTEX)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   554
        return GL_VERTEX_SHADER;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   555
    else if (t == MOJOSHADER_TYPE_PIXEL)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   556
        return GL_FRAGMENT_SHADER;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   557
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   558
    // !!! FIXME: geometry shaders?
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   559
    return GL_NONE;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   560
} // glsl_shader_type
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   561
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   562
static inline GLenum arb1_shader_type(const MOJOSHADER_shaderType t)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   563
{
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   564
    if (t == MOJOSHADER_TYPE_VERTEX)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   565
        return GL_VERTEX_PROGRAM_ARB;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   566
    else if (t == MOJOSHADER_TYPE_PIXEL)
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   567
        return GL_FRAGMENT_PROGRAM_ARB;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   568
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   569
    // !!! FIXME: geometry shaders?
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   570
    return GL_NONE;
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   571
} // arb1_shader_type
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   572
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   573
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   574
MOJOSHADER_glContext *MOJOSHADER_glCreateContext(const char *profile,
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   575
                                        void *(*lookup)(const char *fnname),
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   576
                                        MOJOSHADER_malloc m, MOJOSHADER_free f,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   577
                                        void *d)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   578
{
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   579
    MOJOSHADER_glContext *retval = NULL;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   580
    MOJOSHADER_glContext *current_ctx = ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   581
    ctx = NULL;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   582
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   583
    if (m == NULL) m = internal_malloc;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   584
    if (f == NULL) f = internal_free;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   585
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   586
    ctx = (MOJOSHADER_glContext *) m(sizeof (MOJOSHADER_glContext), d);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   587
    if (ctx == NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   588
    {
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   589
        set_error("out of memory");
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   590
        goto init_fail;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   591
    } // if
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   592
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   593
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   594
    ctx->malloc_fn = m;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   595
    ctx->free_fn = f;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   596
    ctx->malloc_data = d;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   597
    snprintf(ctx->profile, sizeof (ctx->profile), "%s", profile);
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   598
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   599
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   600
    if (!valid_profile(profile))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   601
        goto init_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   602
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   603
    MOJOSHADER_glBindProgram(NULL);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   604
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   605
    // !!! FIXME: generalize this part.
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   606
    if (profile == NULL) {}
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   607
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   608
#if SUPPORT_PROFILE_GLSL
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   609
    else if ( (strcmp(profile, MOJOSHADER_PROFILE_GLSL) == 0) ||
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
   610
              (strcmp(profile, MOJOSHADER_PROFILE_GLSL120) == 0) )
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   611
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   612
        ctx->profileMaxUniforms = impl_GLSL_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   613
        ctx->profileCompileShader = impl_GLSL_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   614
        ctx->profileDeleteShader = impl_GLSL_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   615
        ctx->profileDeleteProgram = impl_GLSL_DeleteProgram;
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   616
        ctx->profileGetAttribLocation = impl_GLSL_GetAttribLocation;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   617
        ctx->profileGetUniformLocation = impl_GLSL_GetUniformLocation;
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   618
        ctx->profileGetSamplerLocation = impl_GLSL_GetSamplerLocation;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   619
        ctx->profileLinkProgram = impl_GLSL_LinkProgram;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   620
        ctx->profileUseProgramObject = impl_GLSL_UseProgramObject;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   621
        ctx->profileUniform4fv = impl_GLSL_Uniform4fv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   622
        ctx->profileUniform4iv = impl_GLSL_Uniform4iv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   623
        ctx->profileUniform1i = impl_GLSL_Uniform1i;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   624
        ctx->profileSetSampler = impl_GLSL_SetSampler;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   625
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   626
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   627
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   628
#if SUPPORT_PROFILE_ARB1
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   629
    else if ( (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0) ||
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 359
diff changeset
   630
              (strcmp(profile, MOJOSHADER_PROFILE_NV2) == 0) )
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   631
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   632
        ctx->profileMaxUniforms = impl_ARB1_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   633
        ctx->profileCompileShader = impl_ARB1_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   634
        ctx->profileDeleteShader = impl_ARB1_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   635
        ctx->profileDeleteProgram = impl_ARB1_DeleteProgram;
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   636
        ctx->profileGetAttribLocation = impl_ARB1_GetAttribLocation;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   637
        ctx->profileGetUniformLocation = impl_ARB1_GetUniformLocation;
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   638
        ctx->profileGetSamplerLocation = impl_ARB1_GetSamplerLocation;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   639
        ctx->profileLinkProgram = impl_ARB1_LinkProgram;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   640
        ctx->profileUseProgramObject = impl_ARB1_UseProgramObject;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   641
        ctx->profileUniform4fv = impl_ARB1_Uniform4fv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   642
        ctx->profileUniform4iv = impl_ARB1_Uniform4iv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   643
        ctx->profileUniform1i = impl_ARB1_Uniform1i;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   644
        ctx->profileSetSampler = impl_ARB1_SetSampler;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   645
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   646
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   647
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   648
    assert(ctx->profileMaxUniforms != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   649
    assert(ctx->profileCompileShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   650
    assert(ctx->profileDeleteShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   651
    assert(ctx->profileDeleteProgram != NULL);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   652
    assert(ctx->profileMaxUniforms != NULL);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   653
    assert(ctx->profileGetAttribLocation != NULL);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   654
    assert(ctx->profileGetUniformLocation != NULL);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   655
    assert(ctx->profileGetSamplerLocation != NULL);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   656
    assert(ctx->profileLinkProgram != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   657
    assert(ctx->profileUseProgramObject != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   658
    assert(ctx->profileUniform4fv != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   659
    assert(ctx->profileUniform4iv != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   660
    assert(ctx->profileUniform1i != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   661
    assert(ctx->profileSetSampler != NULL);
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   662
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   663
    retval = ctx;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   664
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   665
    return retval;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   666
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   667
init_fail:
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   668
    if (ctx != NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   669
        f(ctx, d);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   670
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   671
    return NULL;
238
e98f14da2897 Renamed glInit and glDeinit to glCreateContext and glDestroyContext.
Ryan C. Gordon <icculus@icculus.org>
parents: 237
diff changeset
   672
} // MOJOSHADER_glCreateContext
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   673
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   674
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   675
void MOJOSHADER_glMakeContextCurrent(MOJOSHADER_glContext *_ctx)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   676
{
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   677
    ctx = _ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   678
} // MOJOSHADER_glMakeContextCurrent
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   679
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   680
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   681
static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type)
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   682
{
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   683
    GLenum pname = GL_NONE;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   684
    GLint val = 0;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   685
    if (shader_type == MOJOSHADER_TYPE_VERTEX)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   686
        pname = GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   687
    else if (shader_type == MOJOSHADER_TYPE_PIXEL)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   688
        pname = GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   689
    else
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   690
        return -1;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   691
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   692
    ctx->glGetIntegerv(pname, &val);
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   693
    return (int) val;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   694
} // impl_GLSL_MaxUniforms
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   695
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   696
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   697
static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   698
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   699
    GLint retval = 0;
391
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   700
    const GLenum program_type = arb1_shader_type(shader_type);
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   701
    if (program_type == GL_NONE)
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   702
        return -1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   703
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   704
    ctx->glGetProgramivARB(program_type, GL_MAX_PROGRAM_PARAMETERS_ARB, &retval);
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   705
    return (int) retval;  // !!! FIXME: times four?
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   706
} // impl_ARB1_MaxUniforms
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   707
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   708
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   709
int MOJOSHADER_glMaxUniforms(MOJOSHADER_shaderType shader_type)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   710
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   711
    return ctx->profileMaxUniforms(shader_type);
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   712
} // MOJOSHADER_glMaxUniforms
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   713
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   714
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   715
static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   716
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   717
    GLint ok = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   718
    GLint shaderlen = (GLint) pd->output_len;
391
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   719
    const GLenum shader_type = glsl_shader_type(pd->shader_type);
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   720
    GLuint shader = ctx->glCreateShaderObject(shader_type);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   721
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   722
    ctx->glShaderSource(shader, 1, (const GLchar **) &pd->output, &shaderlen);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   723
    ctx->glCompileShader(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   724
    ctx->glGetObjectParameteriv(shader, GL_OBJECT_COMPILE_STATUS_ARB, &ok);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   725
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   726
    if (!ok)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   727
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   728
        GLsizei len = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   729
        ctx->glGetInfoLog(shader, sizeof (error_buffer), &len,
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   730
                          (GLchar *) error_buffer);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   731
        *s = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   732
        return 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   733
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   734
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   735
    *s = shader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   736
    return 1;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   737
} // impl_GLSL_CompileShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   738
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   739
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   740
static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   741
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   742
    GLint shaderlen = (GLint) pd->output_len;
391
3fff09498291 Cleaned up shader type mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 388
diff changeset
   743
    const GLenum shader_type = arb1_shader_type(pd->shader_type);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   744
    GLuint shader = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   745
    ctx->glGenProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   746
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   747
    ctx->glGetError();  // flush any existing error state.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   748
    ctx->glBindProgramARB(shader_type, shader);
359
969805f41dba Removed some debug code from the arb1 profile's OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 358
diff changeset
   749
    ctx->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
parents: 355
diff changeset
   750
                                shaderlen, pd->output);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   751
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   752
    if (ctx->glGetError() == GL_INVALID_OPERATION)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   753
    { 
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   754
        GLint pos = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   755
        ctx->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   756
        const GLubyte *errstr = ctx->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   757
        snprintf(error_buffer, sizeof (error_buffer),
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   758
                  "ARB1 compile error at position %d: %s",
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   759
                  (int) pos, (const char *) errstr);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   760
        ctx->glBindProgramARB(shader_type, 0);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   761
        ctx->glDeleteProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   762
        *s = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   763
        return 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   764
    } // if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   765
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   766
    *s = shader;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   767
    return 1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   768
} // impl_ARB1_CompileShader
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   769
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   770
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   771
static void impl_GLSL_DeleteShader(const GLuint shader)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   772
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   773
    ctx->glDeleteObject(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   774
} // impl_GLSL_DeleteShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   775
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   776
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   777
static void impl_ARB1_DeleteShader(const GLuint _shader)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   778
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   779
    GLuint shader = _shader;  // const removal.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   780
    ctx->glDeleteProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   781
} // impl_ARB1_DeleteShader
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   782
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   783
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   784
static void impl_GLSL_DeleteProgram(const GLuint program)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   785
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   786
    ctx->glDeleteObject(program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   787
} // impl_GLSL_DeleteProgram
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   788
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   789
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   790
static void impl_ARB1_DeleteProgram(const GLuint program)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   791
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   792
    // no-op. ARB1 doesn't have real linked programs.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   793
} // impl_GLSL_DeleteProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   794
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   795
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   796
MOJOSHADER_glShader *MOJOSHADER_glCompileShader(const unsigned char *tokenbuf,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   797
                                                const unsigned int bufsize)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   798
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   799
    MOJOSHADER_glShader *retval = NULL;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   800
    GLuint shader = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   801
    const MOJOSHADER_parseData *pd = MOJOSHADER_parse(ctx->profile, tokenbuf,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   802
                                                      bufsize, ctx->malloc_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   803
                                                      ctx->free_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   804
                                                      ctx->malloc_data);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   805
    if (pd->error != NULL)
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   806
    {
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   807
        set_error(pd->error);
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   808
        goto compile_shader_fail;
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   809
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   810
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   811
    retval = (MOJOSHADER_glShader *) Malloc(sizeof (MOJOSHADER_glShader));
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   812
    if (retval == NULL)
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   813
        goto compile_shader_fail;
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   814
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   815
    if (!ctx->profileCompileShader(pd, &shader))
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   816
        goto compile_shader_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   817
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   818
    retval->parseData = pd;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   819
    retval->handle = shader;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   820
    retval->refcount = 1;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   821
    return retval;
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   822
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   823
compile_shader_fail:
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   824
    MOJOSHADER_freeParseData(pd);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   825
    Free(retval);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   826
    if (shader != 0)
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   827
        ctx->profileDeleteShader(shader);
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   828
    return NULL;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   829
} // MOJOSHADER_glCompileShader
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   830
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   831
245
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   832
const MOJOSHADER_parseData *MOJOSHADER_glGetShaderParseData(
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   833
                                                MOJOSHADER_glShader *shader)
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   834
{
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   835
    return (shader != NULL) ? shader->parseData : NULL;
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   836
} // MOJOSHADER_glGetShaderParseData
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   837
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   838
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   839
static void shader_unref(MOJOSHADER_glShader *shader)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   840
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   841
    if (shader != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   842
    {
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   843
        const uint32 refcount = shader->refcount;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   844
        if (refcount > 1)
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   845
            shader->refcount--;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   846
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   847
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   848
            ctx->profileDeleteShader(shader->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   849
            MOJOSHADER_freeParseData(shader->parseData);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   850
            Free(shader);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   851
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   852
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   853
} // shader_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   854
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   855
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   856
static void program_unref(MOJOSHADER_glProgram *program)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   857
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   858
    if (program != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   859
    {
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   860
        int i;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   861
        const uint32 refcount = program->refcount;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   862
        if (refcount > 1)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   863
            program->refcount--;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   864
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   865
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   866
            ctx->profileDeleteProgram(program->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   867
            shader_unref(program->vertex);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   868
            shader_unref(program->fragment);
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   869
            for (i = 0; i < program->uniform_count; i++)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   870
            {
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   871
                Free(program->uniforms[i].uniform_array_consts);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   872
                Free(program->uniforms[i].uniform_array_buffer);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   873
                Free(program->uniforms[i].prev_uniform_array_buffer);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   874
            } // for
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   875
            Free(program->samplers);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   876
            Free(program->uniforms);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   877
            Free(program->attributes);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   878
            Free(program);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   879
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   880
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   881
} // program_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   882
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   883
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   884
static GLint impl_GLSL_GetUniformLocation(MOJOSHADER_glProgram *program,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   885
                                          MOJOSHADER_glShader *shader, int idx)
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   886
{
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   887
    return ctx->glGetUniformLocation(program->handle,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   888
                                     shader->parseData->uniforms[idx].name);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   889
} // impl_GLSL_GetUniformLocation
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   890
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   891
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   892
static GLint impl_ARB1_GetUniformLocation(MOJOSHADER_glProgram *program,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   893
                                          MOJOSHADER_glShader *shader, int idx)
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   894
{
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   895
    assert(shader->parseData->uniforms[idx].type == MOJOSHADER_UNIFORM_FLOAT);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   896
    return shader->parseData->uniforms[idx].index;  // !!! FIXME: doesn't work if there are int or bool uniforms!
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   897
} // impl_ARB1_GetUniformLocation
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   898
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   899
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   900
static void lookup_uniforms(MOJOSHADER_glProgram *program,
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   901
                            MOJOSHADER_glShader *shader)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   902
{
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   903
    const MOJOSHADER_parseData *pd = shader->parseData;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   904
    const MOJOSHADER_uniform *u = pd->uniforms;
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   905
    const MOJOSHADER_shaderType shader_type = pd->shader_type;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   906
    int i;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   907
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   908
    for (i = 0; i < pd->uniform_count; i++)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   909
    {
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   910
        const GLint loc = ctx->profileGetUniformLocation(program, shader, i);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   911
        if (loc != -1)  // maybe the Uniform was optimized out?
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   912
        {
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   913
            UniformMap *map = &program->uniforms[program->uniform_count];
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   914
            map->shader_type = shader_type;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   915
            map->uniform = &u[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   916
            map->location = (GLuint) loc;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   917
            program->uniform_count++;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   918
        } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   919
    } // for
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   920
} // lookup_uniforms
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   921
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   922
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   923
static GLint impl_GLSL_GetSamplerLocation(MOJOSHADER_glProgram *program,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   924
                                          MOJOSHADER_glShader *shader, int idx)
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   925
{
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   926
    return ctx->glGetUniformLocation(program->handle,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   927
                                     shader->parseData->samplers[idx].name);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   928
} // impl_GLSL_GetSamplerLocation
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   929
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   930
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   931
static GLint impl_ARB1_GetSamplerLocation(MOJOSHADER_glProgram *program,
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   932
                                          MOJOSHADER_glShader *shader, int idx)
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   933
{
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   934
    return shader->parseData->samplers[idx].index;
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   935
} // impl_ARB1_GetSamplerLocation
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   936
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   937
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   938
static void lookup_samplers(MOJOSHADER_glProgram *program,
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   939
                            MOJOSHADER_glShader *shader)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   940
{
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   941
    int i;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   942
    const MOJOSHADER_parseData *pd = shader->parseData;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   943
    const MOJOSHADER_sampler *s = pd->samplers;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   944
    const MOJOSHADER_shaderType shader_type = pd->shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   945
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   946
    for (i = 0; i < pd->sampler_count; i++)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   947
    {
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   948
        const GLint loc = ctx->profileGetSamplerLocation(program, shader, i);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   949
        if (loc != -1)  // maybe the Sampler was optimized out?
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   950
        {
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   951
            SamplerMap *map = &program->samplers[program->sampler_count];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   952
            map->shader_type = shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   953
            map->sampler = &s[i];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   954
            map->location = (GLuint) loc;
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
   955
            map->value = -1;  // hopefully not a valid texture unit.
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   956
            program->sampler_count++;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   957
        } // if
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   958
    } // for
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   959
} // lookup_samplers
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   960
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   961
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   962
static GLint impl_GLSL_GetAttribLocation(MOJOSHADER_glProgram *program, int idx)
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   963
{
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   964
    const MOJOSHADER_parseData *pd = program->vertex->parseData;
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   965
    const MOJOSHADER_attribute *a = pd->attributes;
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   966
    return ctx->glGetAttribLocation(program->handle, a[idx].name);
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   967
} // impl_GLSL_GetAttribLocation
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   968
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   969
static GLint impl_ARB1_GetAttribLocation(MOJOSHADER_glProgram *program, int idx)
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   970
{
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   971
    return idx;  // map to vertex arrays in the same order as the parseData.
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   972
} // impl_ARB1_GetAttribLocation
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   973
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   974
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   975
static void lookup_attributes(MOJOSHADER_glProgram *program)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   976
{
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   977
    int i;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   978
    const MOJOSHADER_parseData *pd = program->vertex->parseData;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   979
    const MOJOSHADER_attribute *a = pd->attributes;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   980
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   981
    for (i = 0; i < pd->attribute_count; i++)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   982
    {
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
Ryan C. Gordon <icculus@icculus.org>
parents: 340
diff changeset
   983
        const GLint loc = ctx->profileGetAttribLocation(program, i);
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   984
        if (loc != -1)  // maybe the Attribute was optimized out?
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   985
        {
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   986
            AttributeMap *map = &program->attributes[program->attribute_count];
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   987
            map->attribute = &a[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   988
            map->location = (GLuint) loc;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   989
            program->attribute_count++;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   990
        } // if
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   991
    } // for
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   992
} // lookup_attributes
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   993
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   994
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   995
static GLuint impl_GLSL_LinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   996
                                    MOJOSHADER_glShader *pshader)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   997
{
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   998
    const GLuint program = ctx->glCreateProgramObject();
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   999
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1000
    if (vshader != NULL) ctx->glAttachObject(program, vshader->handle);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1001
    if (pshader != NULL) ctx->glAttachObject(program, pshader->handle);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
  1002
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1003
    ctx->glLinkProgram(program);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1004
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
  1005
    GLint ok = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1006
    ctx->glGetObjectParameteriv(program, GL_OBJECT_LINK_STATUS_ARB, &ok);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
  1007
    if (!ok)
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
  1008
    {
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
  1009
        GLsizei len = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1010
        ctx->glGetInfoLog(program, sizeof (error_buffer), &len, (GLchar *) error_buffer);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1011
        ctx->glDeleteObject(program);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1012
        return 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1013
    } // if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1014
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1015
    return program;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1016
} // impl_GLSL_LinkProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1017
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1018
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1019
static GLuint impl_ARB1_LinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1020
                                    MOJOSHADER_glShader *pshader)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1021
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1022
    // there is no formal linking in ARB1...just return a unique value.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1023
    static GLuint retval = 1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1024
    return retval++;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1025
} // impl_ARB1_LinkProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1026
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1027
392
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1028
// !!! FIXME: misnamed
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1029
// build a list of indexes that need to be overwritten with constant values
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1030
//  when pushing a uniform array to the GL.
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1031
static int build_constants_lists(MOJOSHADER_glProgram *program)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1032
{
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1033
    int i;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1034
    const int count = program->uniform_count;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1035
    for (i = 0; i < count; i++)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1036
    {
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1037
        UniformMap *map = &program->uniforms[i];
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1038
        const MOJOSHADER_uniform *u = map->uniform;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1039
        const int size = u->array_count;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1040
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1041
        if (size == 0)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1042
            continue;  // nothing to see here.
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1043
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1044
        // only use arrays for 'c' registers.
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1045
        const MOJOSHADER_uniformType type = u->type;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1046
        assert(type == MOJOSHADER_UNIFORM_FLOAT);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1047
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1048
        const MOJOSHADER_shaderType shader_type = map->shader_type;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1049
        const MOJOSHADER_parseData *pd;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1050
        if (shader_type == MOJOSHADER_TYPE_VERTEX)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1051
            pd = program->vertex->parseData;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1052
        else if (shader_type == MOJOSHADER_TYPE_PIXEL)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1053
            pd = program->fragment->parseData;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1054
        else  // !!! FIXME: geometry shaders?
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1055
            return 0;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1056
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1057
        const MOJOSHADER_constant *c = pd->constants;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1058
        const int hi = pd->constant_count;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1059
        const int index = u->index;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1060
        int *consts_buf = (int *) alloca(sizeof (int) * hi);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1061
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1062
        int j;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1063
        int used_consts = 0;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1064
        for (j = 0; j < hi; j++)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1065
        {
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1066
            if (c[j].type != MOJOSHADER_UNIFORM_FLOAT)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1067
                continue;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1068
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1069
            const int idx = c[j].index;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1070
            if ( (idx >= index) && (idx < (index + size)) )
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1071
                consts_buf[used_consts++] = j;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1072
        } // for
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1073
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1074
        map->uniform_array_consts_count = used_consts;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1075
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1076
        size_t len;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1077
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1078
        len = used_consts * sizeof (int);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1079
        map->uniform_array_consts = (int *) Malloc(len);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1080
        if (map->uniform_array_consts == NULL)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1081
            return 0;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1082
        memcpy(map->uniform_array_consts, consts_buf, len);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1083
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1084
        len = size * sizeof (GLfloat) * 4;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1085
        map->uniform_array_buffer = (GLfloat *) Malloc(len);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1086
        if (map->uniform_array_buffer == NULL)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1087
            return 0;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1088
        memset(map->uniform_array_buffer, 0x00, len);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1089
        map->prev_uniform_array_buffer = (GLfloat *) Malloc(len);
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1090
        if (map->prev_uniform_array_buffer == NULL)
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1091
            return 0;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1092
        memset(map->prev_uniform_array_buffer, 0xFF, len); // don't match!
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1093
    } // for
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1094
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1095
    return 1;
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1096
} // build_constants_lists
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1097
6e08aab912f6 Try to only push uniforms when changed.
Ryan C. Gordon <icculus@icculus.org>
parents: 391
diff changeset
  1098
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1099
MOJOSHADER_glProgram *MOJOSHADER_glLinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
</