mojoshader_opengl.c
author Ryan C. Gordon <icculus@icculus.org>
Sun, 25 May 2008 03:35:38 -0400
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Initial work on ARB1 profile. Not even close to complete.
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <assert.h>
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#ifdef _MSC_VER
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>  // GL headers need this for WINGDIAPI definition.
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#endif
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#include "mojoshader.h"
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#define GL_GLEXT_LEGACY 1
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#include "GL/gl.h"
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#include "GL/glext.h"
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// Get basic wankery out of the way here...
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typedef unsigned int uint;  // this is a printf() helper. don't use for code.
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#ifdef _MSC_VER
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#define snprintf _snprintf
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typedef unsigned __int8 uint8;
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typedef unsigned __int32 uint32;
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typedef unsigned __int32 int32;
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// Warning Level 4 considered harmful.  :)
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#pragma warning(disable: 4100)  // "unreferenced formal parameter"
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#pragma warning(disable: 4389)  // "signed/unsigned mismatch"
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#else
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#include <stdint.h>
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typedef uint8_t uint8;
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typedef uint32_t uint32;
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typedef int32_t int32;
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#endif
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#define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )
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#ifndef SUPPORT_PROFILE_GLSL
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#define SUPPORT_PROFILE_GLSL 1
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#endif
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#ifndef SUPPORT_PROFILE_ARB1
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#define SUPPORT_PROFILE_ARB1 1
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#endif
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struct MOJOSHADER_glShader
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{
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    const MOJOSHADER_parseData *parseData;
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    GLuint handle;
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    uint32 refcount;
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};
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typedef struct
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{
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    MOJOSHADER_shaderType shader_type;
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    const MOJOSHADER_uniform *uniform;
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    GLuint location;
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} UniformMap;
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typedef struct
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{
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    MOJOSHADER_shaderType shader_type;
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    const MOJOSHADER_sampler *sampler;
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    GLuint location;
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} SamplerMap;
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typedef struct
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{
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    const MOJOSHADER_attribute *attribute;
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    GLuint location;
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} AttributeMap;
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struct MOJOSHADER_glProgram
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{
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    MOJOSHADER_glShader *vertex;
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    MOJOSHADER_glShader *fragment;
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    GLuint handle;
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    uint32 constant_count;  // !!! FIXME: misnamed.
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    GLfloat *constants;  // !!! FIXME: misnamed.
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    uint32 uniform_count;
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    UniformMap *uniforms;
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    uint32 sampler_count;
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    SamplerMap *samplers;
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    uint32 attribute_count;
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    AttributeMap *attributes;
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    uint32 refcount;
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};
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#ifndef WINGDIAPI
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#define WINGDIAPI
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#endif
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// Entry points in base OpenGL that lack function pointer prototypes...
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typedef WINGDIAPI void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params);
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typedef WINGDIAPI const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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struct MOJOSHADER_glContext
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{
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    // Allocators...
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    MOJOSHADER_malloc malloc_fn;
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    MOJOSHADER_free free_fn;
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    void *malloc_data;
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    // The constant register files...
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    // Man, it kills me how much memory this takes...
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    GLfloat vs_reg_file_f[8192 * 4];
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    GLint vs_reg_file_i[2047 * 4];
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    GLint vs_reg_file_b[2047];
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    GLfloat ps_reg_file_f[8192 * 4];
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    GLint ps_reg_file_i[2047 * 4];
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    GLint ps_reg_file_b[2047];
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    GLuint sampler_reg_file[16];
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    // GL stuff...
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    int opengl_major;
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    int opengl_minor;
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    MOJOSHADER_glProgram *bound_program;
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    char profile[16];
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    // Extensions...
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    int have_base_opengl;
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    int have_GL_ARB_vertex_program;
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    int have_GL_ARB_fragment_program;
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    int have_GL_ARB_shader_objects;
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    int have_GL_ARB_vertex_shader;
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    int have_GL_ARB_fragment_shader;
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    int have_GL_ARB_shading_language_100;
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    int have_GL_NV_half_float;
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    // Entry points...
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    PFNGLGETSTRINGPROC glGetString;
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    PFNGLGETINTEGERVPROC glGetIntegerv;
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    PFNGLDELETEOBJECTARBPROC glDeleteObject;
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    PFNGLATTACHOBJECTARBPROC glAttachObject;
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    PFNGLCOMPILESHADERARBPROC glCompileShader;
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    PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObject;
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    PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObject;
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    PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArray;
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    PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArray;
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    PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocation;
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    PFNGLGETINFOLOGARBPROC glGetInfoLog;
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    PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameteriv;
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    PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocation;
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    PFNGLLINKPROGRAMARBPROC glLinkProgram;
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    PFNGLSHADERSOURCEARBPROC glShaderSource;
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    PFNGLUNIFORM1IARBPROC glUniform1i;
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    PFNGLUNIFORM4FVARBPROC glUniform4fv;
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    PFNGLUNIFORM4IVARBPROC glUniform4iv;
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    PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObject;
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    PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointer;
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    // interface for profile-specific things.
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    int (*profileMaxUniforms)(MOJOSHADER_shaderType shader_type);
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    int (*profileCompileShader)(const MOJOSHADER_parseData *pd);
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    void (*profileDeleteShader)(const GLuint shader);
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    void (*profileDeleteProgram)(const GLuint program);
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};
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323
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// predeclare some profile implementation stuff...
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static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type);
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static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd);
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static int impl_GLSL_DeleteShader(const GLuint shader);
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static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type);
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static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd);
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static int impl_ARB1_DeleteShader(const GLuint shader);
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237
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static MOJOSHADER_glContext *ctx = NULL;
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202
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219
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// Error state...
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static char error_buffer[1024] = { '\0' };
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static void set_error(const char *str)
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{
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    snprintf(error_buffer, sizeof (error_buffer), "%s", str);
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} // set_error
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// #define this to force app to supply an allocator, so there's no reference
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//  to the C runtime's malloc() and free()...
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#if MOJOSHADER_FORCE_ALLOCATOR
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#define internal_malloc NULL
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#define internal_free NULL
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#else
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static void *internal_malloc(int bytes, void *d) { return malloc(bytes); }
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static void internal_free(void *ptr, void *d) { free(ptr); }
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#endif
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static inline void *Malloc(const size_t len)
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{
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    void *retval = ctx->malloc_fn((int) len, ctx->malloc_data);
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    if (retval == NULL)
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        set_error("out of memory");
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    return retval;
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} // Malloc
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static inline void Free(void *ptr)
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{
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    if (ptr != NULL)
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        ctx->free_fn(ptr, ctx->malloc_data);
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} // Free
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const char *MOJOSHADER_glGetError(void)
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{
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    return error_buffer;
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} // MOJOSHADER_glGetError
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229
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static void *loadsym(void *(*lookup)(const char *fn), const char *fn, int *ext)
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{
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    void *retval = NULL;
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    if (lookup != NULL)
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    {
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        retval = lookup(fn);
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        if (retval == NULL)
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        {
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            char arbfn[64];
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            snprintf(arbfn, sizeof (arbfn), "%sARB", fn);
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            retval = lookup(arbfn);
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        } // if
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    } // if
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    if (retval == NULL)
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        *ext = 0;
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    return retval;
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} // loadsym
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static void lookup_entry_points(void *(*lookup)(const char *fnname))
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{
237
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    #define DO_LOOKUP(ext, typ, fn) ctx->fn = (typ) loadsym(lookup, #fn, &ctx->have_##ext)
229
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    DO_LOOKUP(base_opengl, PFNGLGETSTRINGPROC, glGetString);
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    DO_LOOKUP(base_opengl, PFNGLGETINTEGERVPROC, glGetIntegerv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLDELETEOBJECTARBPROC, glDeleteObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLATTACHOBJECTARBPROC, glAttachObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCOMPILESHADERARBPROC, glCompileShader);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATEPROGRAMOBJECTARBPROC, glCreateProgramObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATESHADEROBJECTARBPROC, glCreateShaderObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETINFOLOGARBPROC, glGetInfoLog);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETOBJECTPARAMETERIVARBPROC, glGetObjectParameteriv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETUNIFORMLOCATIONARBPROC, glGetUniformLocation);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLLINKPROGRAMARBPROC, glLinkProgram);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLSHADERSOURCEARBPROC, glShaderSource);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM1IARBPROC, glUniform1i);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4FVARBPROC, glUniform4fv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4IVARBPROC, glUniform4iv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObject);
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    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLDISABLEVERTEXATTRIBARRAYARBPROC, glDisableVertexAttribArray);
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    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLENABLEVERTEXATTRIBARRAYARBPROC, glEnableVertexAttribArray);
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diff changeset
   262
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLGETATTRIBLOCATIONARBPROC, glGetAttribLocation);
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diff changeset
   263
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointer);
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diff changeset
   264
    #undef DO_LOOKUP
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diff changeset
   265
} // lookup_entry_points
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diff changeset
   266
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   267
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   268
static int verify_extension(const char *ext, int have, const char *extlist,
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   269
                            int major, int minor)
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   270
{
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diff changeset
   271
    if (have == 0)
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   272
        return 0;  // don't bother checking, we're missing an entry point.
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diff changeset
   273
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   274
    else if (!ctx->have_base_opengl)
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   275
        return 0;  // don't bother checking, we're missing basic functionality.
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diff changeset
   276
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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   277
    // See if it's in the spec for this GL implementation's version.
236
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   278
    if (major >= 0)
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   279
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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   280
        if ( ((ctx->opengl_major << 16) | (ctx->opengl_minor & 0xFFFF)) >=
236
8e2fc535b210 Support for half-float attribute arrays.
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   281
             ((major << 16) | (minor & 0xFFFF)) )
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diff changeset
   282
            return 1;
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   283
    } // if
229
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diff changeset
   284
67a3d459d865 OpenGL extension lookup and entry point loading.
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   285
    // Not available in the GL version, check the extension list.
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diff changeset
   286
    const char *ptr = strstr(extlist, ext);
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   287
    if (ptr == NULL)
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diff changeset
   288
        return 0;
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diff changeset
   289
67a3d459d865 OpenGL extension lookup and entry point loading.
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   290
    const char endchar = ptr[strlen(ext)];
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   291
    if ((endchar == '\0') || (endchar == ' '))
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diff changeset
   292
        return 1;  // extension is in the list.
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diff changeset
   293
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diff changeset
   294
    return 0;  // just not supported, fail.
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diff changeset
   295
} // verify_extension
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diff changeset
   296
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diff changeset
   297
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diff changeset
   298
static void parse_opengl_version(const char *verstr)
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   299
{
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   300
    if (verstr == NULL)
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   301
        ctx->opengl_major = ctx->opengl_minor = 0;
229
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diff changeset
   302
    else
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   303
        sscanf(verstr, "%d.%d", &ctx->opengl_major, &ctx->opengl_minor);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   304
} // parse_opengl_version
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diff changeset
   305
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   306
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   307
static void load_extensions(void *(*lookup)(const char *fnname))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   308
{
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   309
    const char *extlist = NULL;
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diff changeset
   310
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   311
    ctx->have_base_opengl = 1;
323
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   312
    ctx->have_GL_ARB_vertex_program = 1;
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diff changeset
   313
    ctx->have_GL_ARB_fragment_program = 1;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   314
    ctx->have_GL_ARB_shader_objects = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   315
    ctx->have_GL_ARB_vertex_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   316
    ctx->have_GL_ARB_fragment_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   317
    ctx->have_GL_ARB_shading_language_100 = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   318
    ctx->have_GL_NV_half_float = 1;
229
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diff changeset
   319
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   320
    lookup_entry_points(lookup);
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   321
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   322
    if (!ctx->have_base_opengl)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   323
        set_error("missing basic OpenGL entry points");
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   324
    else
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   325
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   326
        parse_opengl_version((const char *) ctx->glGetString(GL_VERSION));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   327
        extlist = (const char *) ctx->glGetString(GL_EXTENSIONS);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   328
    } // else
229
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diff changeset
   329
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   330
    if (extlist == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   331
        extlist = "";  // just in case.
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   332
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   333
    #define VERIFY_EXT(ext, major, minor) \
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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parents: 236
diff changeset
   334
        ctx->have_##ext = verify_extension(#ext, ctx->have_##ext, extlist, major, minor)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   335
323
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   336
    VERIFY_EXT(GL_ARB_vertex_program, -1, -1);
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   337
    VERIFY_EXT(GL_ARB_fragment_program, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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parents: 226
diff changeset
   338
    VERIFY_EXT(GL_ARB_shader_objects, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   339
    VERIFY_EXT(GL_ARB_vertex_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   340
    VERIFY_EXT(GL_ARB_fragment_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
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parents: 226
diff changeset
   341
    VERIFY_EXT(GL_ARB_shading_language_100, 2, 0);
236
8e2fc535b210 Support for half-float attribute arrays.
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parents: 230
diff changeset
   342
    VERIFY_EXT(GL_NV_half_float, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   343
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   344
    #undef VERIFY_EXT
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   345
} // load_extensions
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   346
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   347
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   348
static int valid_profile(const char *profile)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   349
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   350
    if (!ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   351
        return 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   352
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   353
    #define MUST_HAVE(p, x) \
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   354
        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
   355
291
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   356
    if (profile == NULL)
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   357
    {
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   358
        set_error("NULL profile");
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   359
        return 0;
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   360
    } // if
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   361
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   362
    #if SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
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parents: 321
diff changeset
   363
    else if (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   364
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   365
        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
   366
        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
   367
    } // else if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   368
    #endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   369
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   370
    #if SUPPORT_PROFILE_GLSL
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   371
    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
   372
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   373
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shader_objects);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   374
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_vertex_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   375
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_fragment_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   376
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shading_language_100);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   377
    } // else if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   378
    #endif
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   379
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   380
    else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   381
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   382
        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
   383
        return 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   384
    } // else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   385
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   386
    #undef MUST_HAVE
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   387
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   388
    return 1;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   389
} // valid_profile
229
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
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   392
const char *MOJOSHADER_glBestProfile(void *(*lookup)(const char *fnname))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   393
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   394
    const char *retval = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   395
    MOJOSHADER_glContext _ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   396
    MOJOSHADER_glContext *current_ctx = ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   397
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   398
    ctx = &_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   399
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   400
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   401
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   402
    if (ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   403
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   404
        static const char *priority[] = {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   405
            MOJOSHADER_PROFILE_GLSL,
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   406
            MOJOSHADER_PROFILE_ARB1,
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   407
        };
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   408
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   409
        int i;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   410
        for (i = 0; i < STATICARRAYLEN(priority); i++)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   411
        {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   412
            if (valid_profile(priority[i]))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   413
            {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   414
                retval = priority[i];
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   415
                break;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   416
            } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   417
        } // for
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   418
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   419
        if (retval == NULL)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   420
            set_error("no profiles available");
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   421
    } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   422
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   423
    ctx = current_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   424
    return retval;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   425
} // MOJOSHADER_glBestProfile
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
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   428
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
   429
                                        void *(*lookup)(const char *fnname),
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   430
                                        MOJOSHADER_malloc m, MOJOSHADER_free f,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   431
                                        void *d)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
{
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   433
    MOJOSHADER_glContext *retval = NULL;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   434
    MOJOSHADER_glContext *current_ctx = ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   435
    ctx = NULL;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   436
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   437
    if (m == NULL) m = internal_malloc;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   438
    if (f == NULL) f = internal_free;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   439
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   440
    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
   441
    if (ctx == NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   442
    {
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   443
        set_error("out of memory");
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   444
        goto init_fail;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   445
    } // if
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   446
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   447
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   448
    ctx->malloc_fn = m;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   449
    ctx->free_fn = f;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   450
    ctx->malloc_data = d;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   451
    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
   452
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   453
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   454
    if (!valid_profile(profile))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   455
        goto init_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   457
    MOJOSHADER_glBindProgram(NULL);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   458
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   459
    // !!! FIXME: generalize this part.
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   460
    if (profile == NULL) {}
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   461
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   462
#if SUPPORT_PROFILE_GLSL
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   463
    else if (strcmp(profile, MOJOSHADER_PROFILE_GLSL) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   464
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   465
        ctx->profileMaxUniforms = impl_GLSL_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   466
        ctx->profileCompileShader = impl_GLSL_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   467
        ctx->profileDeleteShader = impl_GLSL_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   468
        ctx->profileDeleteProgram = impl_GLSL_DeleteProgram;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   469
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   470
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   471
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   472
#if SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   473
    else if (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   474
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   475
        ctx->profileMaxUniforms = impl_ARB1_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   476
        ctx->profileCompileShader = impl_ARB1_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   477
        ctx->profileDeleteShader = impl_ARB1_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   478
        ctx->profileDeleteProgram = impl_ARB1_DeleteProgram;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   479
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   480
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   481
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   482
    assert(ctx->profileMaxUniforms != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   483
    assert(ctx->profileCompileShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   484
    assert(ctx->profileDeleteShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   485
    assert(ctx->profileDeleteProgram != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   486
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   487
    retval = ctx;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   488
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   489
    return retval;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   490
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   491
init_fail:
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   492
    if (ctx != NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   493
        f(ctx, d);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   494
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   495
    return NULL;
238
e98f14da2897 Renamed glInit and glDeinit to glCreateContext and glDestroyContext.
Ryan C. Gordon <icculus@icculus.org>
parents: 237
diff changeset
   496
} // MOJOSHADER_glCreateContext
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   498
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   499
void MOJOSHADER_glMakeContextCurrent(MOJOSHADER_glContext *_ctx)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   500
{
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   501
    ctx = _ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   502
} // MOJOSHADER_glMakeContextCurrent
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   503
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   504
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   505
static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type)
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   506
{
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   507
    GLenum pname = GL_NONE;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   508
    GLint val = 0;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   509
    if (shader_type == MOJOSHADER_TYPE_VERTEX)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   510
        pname = GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   511
    else if (shader_type == MOJOSHADER_TYPE_PIXEL)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   512
        pname = GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   513
    else
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   514
        return -1;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   515
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   516
    ctx->glGetIntegerv(pname, &val);
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   517
    return (int) val;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   518
} // impl_GLSL_MaxUniforms
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   519
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   520
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   521
int MOJOSHADER_glMaxUniforms(MOJOSHADER_shaderType shader_type)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   522
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   523
    return ctx->profileMaxUniforms(shader_type);
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   524
} // MOJOSHADER_glMaxUniforms
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   525
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   526
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   527
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
   528
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   529
    GLint ok = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   530
    GLint shaderlen = (GLint) pd->output_len;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   531
    const GLenum shader_type = (pd->shader_type == MOJOSHADER_TYPE_PIXEL) ? GL_FRAGMENT_SHADER : GL_VERTEX_SHADER;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   532
    GLuint shader = ctx->glCreateShaderObject(shader_type);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   533
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   534
    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
   535
    ctx->glCompileShader(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   536
    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
   537
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   538
    if (!ok)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   539
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   540
        GLsizei len = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   541
        ctx->glGetInfoLog(shader, sizeof (error_buffer), &len,
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   542
                          (GLchar *) error_buffer);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   543
        *s = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   544
        return 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   545
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   546
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   547
    *s = shader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   548
    return 1;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   549
} // impl_GLSL_CompileShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   550
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   551
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   552
static void impl_GLSL_DeleteShader(const GLuint shader)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   553
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   554
    ctx->glDeleteObject(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   555
} // impl_GLSL_DeleteShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   556
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   557
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   558
static void impl_GLSL_DeleteProgram(const GLuint program)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   559
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   560
    ctx->glDeleteObject(program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   561
} // impl_GLSL_DeleteProgram
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   562
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   563
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   564
MOJOSHADER_glShader *MOJOSHADER_glCompileShader(const unsigned char *tokenbuf,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   565
                                                const unsigned int bufsize)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   566
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   567
    MOJOSHADER_glShader *retval = NULL;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   568
    GLuint shader = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   569
    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
   570
                                                      bufsize, ctx->malloc_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   571
                                                      ctx->free_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   572
                                                      ctx->malloc_data);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   573
    if (pd->error != NULL)
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   574
    {
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   575
        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
   576
        goto compile_shader_fail;
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   577
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   578
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   579
    retval = (MOJOSHADER_glShader *) Malloc(sizeof (MOJOSHADER_glShader));
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   580
    if (retval == NULL)
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   581
        goto compile_shader_fail;
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   582
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   583
    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
   584
        goto compile_shader_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   585
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   586
    retval->parseData = pd;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   587
    retval->handle = shader;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   588
    retval->refcount = 1;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   589
    return retval;
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   590
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   591
compile_shader_fail:
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   592
    MOJOSHADER_freeParseData(pd);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   593
    Free(retval);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   594
    if (shader != 0)
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   595
        ctx->profileDeleteShader(shader);
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   596
    return NULL;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   597
} // MOJOSHADER_glCompileShader
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   598
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   599
245
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   600
const MOJOSHADER_parseData *MOJOSHADER_glGetShaderParseData(
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   601
                                                MOJOSHADER_glShader *shader)
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   602
{
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   603
    return (shader != NULL) ? shader->parseData : NULL;
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   604
} // MOJOSHADER_glGetShaderParseData
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   605
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   606
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   607
static void shader_unref(MOJOSHADER_glShader *shader)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   608
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   609
    if (shader != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   610
    {
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   611
        const uint32 refcount = shader->refcount;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   612
        if (refcount > 1)
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   613
            shader->refcount--;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   614
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   615
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   616
            ctx->profileDeleteShader(shader->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   617
            MOJOSHADER_freeParseData(shader->parseData);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   618
            Free(shader);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   619
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   620
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   621
} // shader_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   622
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   623
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   624
static void program_unref(MOJOSHADER_glProgram *program)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   625
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   626
    if (program != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   627
    {
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   628
        const uint32 refcount = program->refcount;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   629
        if (refcount > 1)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   630
            program->refcount--;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   631
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   632
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   633
            ctx->profileDeleteProgram(program->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   634
            shader_unref(program->vertex);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   635
            shader_unref(program->fragment);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   636
            Free(program->constants);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   637
            Free(program->samplers);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   638
            Free(program->uniforms);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   639
            Free(program->attributes);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   640
            Free(program);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   641
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   642
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   643
} // program_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   644
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   645
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   646
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
   647
                            MOJOSHADER_glShader *shader)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   648
{
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   649
    int i;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   650
    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
   651
    const MOJOSHADER_uniform *u = pd->uniforms;
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   652
    const MOJOSHADER_shaderType shader_type = pd->shader_type;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   653
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   654
    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
   655
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   656
        const GLint loc = ctx->glGetUniformLocation(program->handle, u[i].name);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   657
        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
   658
        {
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   659
            UniformMap *map = &program->uniforms[program->uniform_count];
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   660
            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
   661
            map->uniform = &u[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   662
            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
   663
            program->uniform_count++;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   664
        } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   665
    } // for
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   666
} // lookup_uniforms
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   667
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   668
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   669
static void lookup_samplers(MOJOSHADER_glProgram *program,
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   670
                            MOJOSHADER_glShader *shader)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   671
{
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   672
    int i;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   673
    const MOJOSHADER_parseData *pd = shader->parseData;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   674
    const MOJOSHADER_sampler *s = pd->samplers;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   675
    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
   676
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   677
    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
   678
    {
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   679
        const GLint loc = ctx->glGetUniformLocation(program->handle, s[i].name);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   680
        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
   681
        {
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   682
            SamplerMap *map = &program->samplers[program->sampler_count];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   683
            map->shader_type = shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   684
            map->sampler = &s[i];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   685
            map->location = (GLuint) loc;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   686
            program->sampler_count++;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   687
        } // if
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   688
    } // for
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   689
} // lookup_samplers
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   690
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   691
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   692
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
   693
{
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   694
    int i;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   695
    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
   696
    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
   697
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   698
    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
   699
    {
321
d7fb4ccecf0b Fixed incorrect vertex shader attribute location lookup.
Ryan C. Gordon <icculus@icculus.org>
parents: 313
diff changeset
   700
        const GLint loc = ctx->glGetAttribLocation(program->handle, a[i].name);
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   701
        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
   702
        {
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   703
            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
   704
            map->attribute = &a[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   705
            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
   706
            program->attribute_count++;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   707
        } // if
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   708
    } // for
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   709
} // lookup_attributes
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   710
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   711
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   712
MOJOSHADER_glProgram *MOJOSHADER_glLinkProgram(MOJOSHADER_glShader *vshader,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   713
                                               MOJOSHADER_glShader *pshader)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   714
{
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   715
    if ((vshader == NULL) && (pshader == NULL))
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   716
        return NULL;
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   717
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   718
    MOJOSHADER_glProgram *retval = NULL;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   719
    const GLuint program = ctx->glCreateProgramObject();
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   720
    int numregs = 0;
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   721
    int consts = 0;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   722
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   723
    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
   724
    if (pshader != NULL) ctx->glAttachObject(program, pshader->handle);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   725
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   726
    ctx->glLinkProgram(program);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   727
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   728
    GLint ok = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   729
    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
   730
    if (!ok)
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   731
    {
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   732
        GLsizei len = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   733
        ctx->glGetInfoLog(program, sizeof (error_buffer), &len, (GLchar *) error_buffer);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   734
        goto link_program_fail;
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   735
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   736
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   737
    retval = (MOJOSHADER_glProgram *) Malloc(sizeof (MOJOSHADER_glProgram));
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   738
    if (retval == NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   739
        goto link_program_fail;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   740
    memset(retval, '\0', sizeof (MOJOSHADER_glProgram));
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   741
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   742
    numregs = 0;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   743
    if (vshader != NULL) numregs += vshader->parseData->uniform_count;
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   744
    if (pshader != NULL) numregs += pshader->parseData->uniform_count;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   745
    retval->uniforms = (UniformMap *) Malloc(sizeof (UniformMap) * numregs);
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   746
    if (retval->uniforms == NULL)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   747
        goto link_program_fail;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   748
    memset(retval->uniforms, '\0', sizeof (UniformMap) * numregs);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   749
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   750
    numregs = 0;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   751
    if (vshader != NULL) numregs += vshader->parseData->sampler_count;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   752
    if (pshader != NULL) numregs += pshader->parseData->sampler_count;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   753
    retval->samplers = (SamplerMap *) Malloc(sizeof (SamplerMap) * numregs);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   754
    if (retval->samplers == NULL)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   755
        goto link_program_fail;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   756
    memset(retval->samplers, '\0', sizeof (SamplerMap) * numregs);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   757
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   758
    retval->handle = program;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   759
    retval->vertex = vshader;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   760
    retval->fragment = pshader;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   761
    retval->refcount = 1;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   762
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   763
    if (vshader != NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   764
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   765
        if (consts < vshader->parseData->constant_count)
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   766
            consts = vshader->parseData->constant_count;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   767
        retval->attributes = (AttributeMap *) Malloc(sizeof (AttributeMap) *
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   768
                                        vshader->parseData->attribute_count);
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   769
        if (retval->attributes == NULL)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   770
            goto link_program_fail;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   771
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   772
        lookup_attributes(retval);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   773
        lookup_uniforms(retval, vshader);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   774
        lookup_samplers(retval, vshader);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   775
        vshader->refcount++;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   776
    } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   777
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   778
    if (pshader != NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   779
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   780
        if (consts < pshader->parseData->constant_count)
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   781
            consts = pshader->parseData->constant_count;
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   782
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   783
        lookup_uniforms(retval, pshader);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   784
        lookup_samplers(retval, vshader);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   785
        pshader->refcount++;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   786
    } // if
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   787
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   788
    if (consts > 0)    
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   789
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   790
        retval->constants = (GLfloat *) Malloc(sizeof (GLfloat) * consts * 4);
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   791
        if (retval->constants == NULL)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   792
            goto link_program_fail;
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   793
        retval->constant_count = (uint32) consts;
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   794
    } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   795
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   796
    return retval;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   797
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   798
link_program_fail:
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   799
    if (retval != NULL)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   800
    {
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   801
        Free(retval->constants);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   802
        Free(retval->samplers);
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   803
        Free(retval->uniforms);
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   804
        Free(retval->attributes);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   805
        Free(retval);
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   806
    } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   807
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   808
    ctx->profileDeleteProgram(program);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   809
    return NULL;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   810
} // MOJOSHADER_glLinkProgram
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   811
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   812
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   813
void MOJOSHADER_glBindProgram(MOJOSHADER_glProgram *program)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   814
{
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   815
    GLuint handle = 0;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   816
    int i;
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   817
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   818
    if (program == ctx->bound_program)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   819
        return;  // nothing to do.
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   820
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   821
    // Disable any client-side arrays the current program could have used.
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   822
    // !!! FIXME: don't disable yet...see which ones get reused, and disable
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   823
    // !!! FIXME:  only what we don't need in MOJOSHADER_glProgramReady().
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   824
    if (ctx->bound_program != NULL)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   825
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   826
        const int count = ctx->bound_program->attribute_count;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   827
        for (i = 0; i < count; i++)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   828
        {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   829
            const AttributeMap *map = &ctx->bound_program->attributes[i];
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   830
            ctx->glDisableVertexAttribArray(map->location);
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   831
        } // if
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   832
    } // for
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
   833
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   834
    if (program != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   835
    {
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   836
        handle = program->handle;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   837
        program->refcount++;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   838
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   839
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   840
    ctx->glUseProgramObject(handle);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   841
    program_unref(ctx->bound_program);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   842
    ctx->bound_program = program;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   843
} // MOJOSHADER_glBindProgram
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   844
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   845
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   846
static inline uint minuint(const uint a, const uint b)
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   847
{
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   848
    return ((a < b) ? a : b);
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   849
} // minuint
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   850
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   851
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   852
void MOJOSHADER_glSetVertexShaderUniformF(unsigned int idx, const float *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   853
                                          unsigned int vec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   854
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   855
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   856
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   857
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   858
        assert(sizeof (GLfloat) == sizeof (float));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   859
        const uint cpy = (minuint(maxregs - idx, vec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   860
        memcpy(ctx->vs_reg_file_f + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   861
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   862
} // MOJOSHADER_glSetVertexShaderUniformF
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   863
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   864
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   865
void MOJOSHADER_glSetVertexShaderUniformI(unsigned int idx, const int *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   866
                                          unsigned int ivec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   867
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   868
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_i) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   869
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   870
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   871
        assert(sizeof (GLint) == sizeof (int));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   872
        const uint cpy = (minuint(maxregs - idx, ivec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   873
        memcpy(ctx->vs_reg_file_i + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   874
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   875
} // MOJOSHADER_glSetVertexShaderUniformI
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   876
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   877
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   878
void MOJOSHADER_glSetVertexShaderUniformB(unsigned int idx, const int *data,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   879
                                          unsigned int bcount)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   880
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   881
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   882
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   883
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   884
        GLint *wptr = ctx->vs_reg_file_b + idx;
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   885
        GLint *endptr = wptr + minuint(maxregs - idx, bcount);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   886
        while (wptr != endptr)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   887
            *(wptr++) = *(data++) ? 1 : 0;
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   888
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   889
} // MOJOSHADER_glSetVertexShaderUniformB
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   890
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   891
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   892
void MOJOSHADER_glSetPixelShaderUniformF(unsigned int idx, const float *data,
212
76eeb43e054c Whitespace fix.
Ryan C. Gordon <icculus@icculus.org>
parents: 210
diff changeset
   893
                                         unsigned int vec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   894
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   895
    const uint maxregs = STATICARRAYLEN(ctx->ps_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   896
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   897
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   898
        assert(sizeof (GLfloat) == sizeof (float));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   899
        const uint cpy = (minuint(maxregs - idx, vec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   900
        memcpy(ctx->ps_reg_file_f + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   901
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   902
} // MOJOSHADER_glSetPixelShaderUniformF
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   903
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   904
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   905
void MOJOSHADER_glSetPixelShaderUniformI(unsigned int idx, const int *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   906
                                         unsigned int ivec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   907
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   908
    const uint maxregs = STATICARRAYLEN(ctx->ps_reg_file_i) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   909
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   910
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   911
        assert(sizeof (GLint) == sizeof (int));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   912
        const uint cpy = (minuint(maxregs - idx, ivec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   913
        memcpy(ctx->ps_reg_file_i + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   914
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   915
} // MOJOSHADER_glSetPixelShaderUniformI
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   916
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   917
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   918
void MOJOSHADER_glSetPixelShaderUniformB(unsigned int idx, const int *data,
212
76eeb43e054c Whitespace fix.
Ryan C. Gordon <icculus@icculus.org>
parents: 210
diff changeset
   919
                                         unsigned int bcount)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   920
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   921
    const uint maxregs = STATICARRAYLEN(ctx->ps_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   922
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   923
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   924
        GLint *wptr = ctx->ps_reg_file_b + idx;
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
   925
        GLint *endptr = wptr + minuint(maxregs - idx, bcount);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   926
        while (wptr != endptr)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   927
            *(wptr++) = *(data++) ? 1 : 0;
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
   928
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   929
} // MOJOSHADER_glSetPixelShaderUniformB
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   930
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   931
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   932
void MOJOSHADER_glSetSampler(unsigned int idx, unsigned int unit)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   933
{
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   934
    const uint maxregs = STATICARRAYLEN(ctx->sampler_reg_file);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   935
    if (idx < maxregs)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   936
        ctx->sampler_reg_file[idx] = (GLuint) unit;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   937
} // MOJOSHADER_glSetSampler
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   938
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   939
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   940
static inline GLenum opengl_attr_type(const MOJOSHADER_attributeType type)
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   941
{
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   942
    switch (type)
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   943
    {
241
08f612343cd1 Fixed compiler warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 238
diff changeset
   944
        case MOJOSHADER_ATTRIBUTE_UNKNOWN: return GL_NONE; // oh well.
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   945
        case MOJOSHADER_ATTRIBUTE_BYTE: return GL_BYTE;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   946
        case MOJOSHADER_ATTRIBUTE_UBYTE: return GL_UNSIGNED_BYTE;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   947
        case MOJOSHADER_ATTRIBUTE_SHORT: return GL_SHORT;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   948
        case MOJOSHADER_ATTRIBUTE_USHORT: return GL_UNSIGNED_SHORT;
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   949
        case MOJOSHADER_ATTRIBUTE_INT: return GL_INT;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   950
        case MOJOSHADER_ATTRIBUTE_UINT: return GL_UNSIGNED_INT;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   951
        case MOJOSHADER_ATTRIBUTE_FLOAT: return GL_FLOAT;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   952
        case MOJOSHADER_ATTRIBUTE_DOUBLE: return GL_DOUBLE;
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   953
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   954
        case MOJOSHADER_ATTRIBUTE_HALF_FLOAT:
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   955
            if (ctx->have_GL_NV_half_float)
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   956
                return GL_HALF_FLOAT_NV;
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   957
            break;
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   958
    } // switch
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   959
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   960
    return GL_NONE;  // oh well. Raises a GL error later.
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   961
} // opengl_attr_type
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   962
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   963
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   964
// !!! FIXME: shouldn't (index) be unsigned?
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   965
void MOJOSHADER_glSetVertexAttribute(MOJOSHADER_usage usage,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   966
                                     int index, unsigned int size,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   967
                                     MOJOSHADER_attributeType type,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   968
                                     int normalized, unsigned int stride,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   969
                                     const void *ptr)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   970
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   971
    if ((ctx->bound_program == NULL) || (ctx->bound_program->vertex == NULL))
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   972
        return;
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   973
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   974
    const GLenum gl_type = opengl_attr_type(type);
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   975
    const GLboolean norm = (normalized) ? GL_TRUE : GL_FALSE;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   976
    GLuint gl_index = 0;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   977
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   978
    // We have to map POSITION0 to generic vertex attribute 0; the
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   979
    //  GL_ARB_vertex_shader spec says this is equivalent to using
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   980
    //  glVertexPointer(), but without the limitations of that entry point.
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   981
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   982
    if ((usage != MOJOSHADER_USAGE_POSITION) || (index != 0))
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
   983
    {
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   984
        int i;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   985
        const int count = ctx->bound_program->attribute_count;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   986
        for (i = 0; i < count; i++)
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   987
        {
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   988
            const AttributeMap *map = &ctx->bound_program->attributes[i];
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   989
            const MOJOSHADER_attribute *a = map->attribute;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   990
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   991
            // !!! FIXME: is this array guaranteed to be sorted by usage?
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   992
            // !!! FIXME:  if so, we can break if a->usage > usage.
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   993
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   994
            if ((a->usage == usage) && (a->index == index))
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   995
            {
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   996
                gl_index = map->location;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   997
                break;
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   998
            } // if
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
   999
        } // for
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1000
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1001
        if (gl_index == 0)
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1002
            return;  // nothing to do, this shader doesn't use this stream.
216
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
  1003
    } // if
f5f4e5f05951 Implemented MOJOSHADER_glSetVertexAttribute().
Ryan C. Gordon <icculus@icculus.org>
parents: 215
diff changeset
  1004
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1005
    ctx->glVertexAttribPointer(gl_index, size, gl_type, norm, stride, ptr);
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1006
    ctx->glEnableVertexAttribArray(gl_index);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1007
} // MOJOSHADER_glSetVertexAttribute
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1008
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1009
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1010
void MOJOSHADER_glProgramReady(void)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1011
{
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1012
    int i;
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
  1013
    int count;
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1014
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1015
    if (ctx->bound_program == NULL)
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1016
        return;  // nothing to do.
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1017
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
  1018
    // !!! FIXME: don't push Uniforms/Samplers if they haven't changed.
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1019
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1020
    // push Uniforms to the program from our register files...
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
  1021
    count = ctx->bound_program->uniform_count;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1022
    for (i = 0; i < count; i++)
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1023
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1024
        const UniformMap *map = &ctx->bound_program->uniforms[i];
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1025
        const MOJOSHADER_uniform *u = map->uniform;
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1026
        const MOJOSHADER_uniformType type = u->type;
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1027
        const MOJOSHADER_shaderType shader_type = map->shader_type;
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1028
        const int index = u->index;
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1029
        const int size = u->array_count;
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1030
        const GLint location = map->location;
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
  1031
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1032
        // only use arrays for 'c' registers.
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1033
        assert((size == 0) || (type == MOJOSHADER_UNIFORM_FLOAT));
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1034
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1035
        if (size != 0)  // !!! FIXME: this code sucks.
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1036
        {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1037
            // !!! FIXME: calculate this all at link time.
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1038
            if (shader_type == MOJOSHADER_TYPE_VERTEX)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1039
            {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1040
                const MOJOSHADER_constant *c = ctx->bound_program->vertex->parseData->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1041
                int hi = ctx->bound_program->vertex->parseData->constant_count;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1042
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1043
                int j;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1044
                GLfloat *ptr = ctx->bound_program->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1045
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1046
                for (j = 0; j < hi; j++)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1047
                {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1048
                    if (c[j].type != MOJOSHADER_UNIFORM_FLOAT)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1049
                        continue;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1050
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1051
                    const int idx = c[j].index;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1052
                    if ( (idx >= index) && (idx < (index + size)) )
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1053
                    {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1054
                        memcpy(ptr, &ctx->vs_reg_file_f[idx * 4], 16);  // !!! FIXME: 16
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1055
                        memcpy(&ctx->vs_reg_file_f[idx * 4], &c->value.f, 16);  // !!! FIXME: 16
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1056
                        ptr += 4;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1057
                    } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1058
                } // for
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1059
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1060
                ctx->glUniform4fv(location, size, &ctx->vs_reg_file_f[index * 4]);
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1061
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1062
                ptr = ctx->bound_program->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1063
                for (j = 0; j < hi; j++)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1064
                {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1065
                    if (c[j].type != MOJOSHADER_UNIFORM_FLOAT)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1066
                        continue;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1067
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1068
                    const int idx = c[j].index;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1069
                    if ( (idx >= index) && (idx < (index + size)) )
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1070
                    {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1071
                        memcpy(&ctx->vs_reg_file_f[idx * 4], ptr, 16);  // !!! FIXME: 16
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1072
                        ptr += 4;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1073
                    } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1074
                } // for
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1075
            } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1076
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1077
            else if (shader_type == MOJOSHADER_TYPE_PIXEL)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1078
            {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1079
                const MOJOSHADER_constant *c = ctx->bound_program->fragment->parseData->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1080
                int hi = ctx->bound_program->fragment->parseData->constant_count;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1081
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1082
                int j;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1083
                GLfloat *ptr = ctx->bound_program->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1084
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1085
                for (j = 0; j < hi; j++)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1086
                {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1087
                    if (c[j].type != MOJOSHADER_UNIFORM_FLOAT)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1088
                        continue;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1089
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1090
                    const int idx = c[j].index;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1091
                    if ( (idx >= index) && (idx < (index + size)) )
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1092
                    {
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1093
                        memcpy(ptr, &ctx->ps_reg_file_f[idx * 4], 16);  // !!! FIXME: 16
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1094
                        memcpy(&ctx->ps_reg_file_f[idx * 4], &c->value.f, 16);  // !!! FIXME: 16
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1095
                        ptr += 4;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1096
                    } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1097
                } // for
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1098
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1099
                ctx->glUniform4fv(location, size, &ctx->ps_reg_file_f[index * 4]);
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1100
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1101
                ptr = ctx->bound_program->constants;
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
  1102
                for (j = 0; j < hi; j++)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculu