mojoshader_opengl.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 03 Aug 2012 13:39:36 -0400
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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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// !!! FIXME: preshaders shouldn't be handled in here at all. This should
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// !!! FIXME:  be in the Effects API, once that's actually written.
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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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// !!! FIXME: most of these _MSC_VER should probably be _WINDOWS?
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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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#if (defined(__APPLE__) && defined(__MACH__))
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#define PLATFORM_MACOSX 1
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#endif
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#if PLATFORM_MACOSX
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#include <Carbon/Carbon.h>
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#endif
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#define __MOJOSHADER_INTERNAL__ 1
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#include "mojoshader_internal.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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#ifndef GL_HALF_FLOAT_NV
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#define GL_HALF_FLOAT_NV 0x140B
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#endif
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#ifndef GL_HALF_FLOAT_ARB
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#define GL_HALF_FLOAT_ARB 0x140B
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#endif
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#ifndef GL_HALF_FLOAT_OES
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#define GL_HALF_FLOAT_OES 0x8D61
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#endif
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// this happens to be the same value for ARB1 and GLSL.
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#ifndef GL_PROGRAM_POINT_SIZE
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#define GL_PROGRAM_POINT_SIZE 0x8642
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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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    GLint location;
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} UniformMap;
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typedef struct
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{
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    const MOJOSHADER_attribute *attribute;
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    GLint 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 generation;
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    uint32 uniform_count;
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    uint32 texbem_count;
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    UniformMap *uniforms;
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    uint32 attribute_count;
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    AttributeMap *attributes;
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    size_t vs_uniforms_float4_count;
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    GLfloat *vs_uniforms_float4;
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    size_t vs_uniforms_int4_count;
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    GLint *vs_uniforms_int4;
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    size_t vs_uniforms_bool_count;
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    GLint *vs_uniforms_bool;
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    size_t ps_uniforms_float4_count;
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    GLfloat *ps_uniforms_float4;
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    size_t ps_uniforms_int4_count;
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    GLint *ps_uniforms_int4;
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    size_t ps_uniforms_bool_count;
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    GLint *ps_uniforms_bool;
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    size_t vs_preshader_reg_count;
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    GLfloat *vs_preshader_regs;
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    size_t ps_preshader_reg_count;
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    GLfloat *ps_preshader_regs;
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    uint32 refcount;
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    int uses_pointsize;
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    // GLSL uses these...location of uniform arrays.
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    GLint vs_float4_loc;
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    GLint vs_int4_loc;
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    GLint vs_bool_loc;
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    GLint ps_float4_loc;
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    GLint ps_int4_loc;
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    GLint ps_bool_loc;
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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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typedef WINGDIAPI GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
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typedef WINGDIAPI void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
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typedef WINGDIAPI void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
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// Max entries for each register file type...
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#define MAX_REG_FILE_F 8192
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#define MAX_REG_FILE_I 2047
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#define MAX_REG_FILE_B 2047
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#define MAX_TEXBEMS 3  // ps_1_1 allows 4 texture stages, texbem can't use t0.
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237
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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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    // !!! FIXME: Man, it kills me how much memory this takes...
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    // !!! FIXME:  ... make this dynamically allocated on demand.
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    GLfloat vs_reg_file_f[MAX_REG_FILE_F * 4];
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    GLint vs_reg_file_i[MAX_REG_FILE_I * 4];
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    uint8 vs_reg_file_b[MAX_REG_FILE_B];
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    GLfloat ps_reg_file_f[MAX_REG_FILE_F * 4];
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    GLint ps_reg_file_i[MAX_REG_FILE_I * 4];
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    uint8 ps_reg_file_b[MAX_REG_FILE_B];
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    GLuint sampler_reg_file[16];
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    GLfloat texbem_state[MAX_TEXBEMS * 6];
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    // This increments every time we change the register files.
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    uint32 generation;
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    // This keeps track of implicitly linked programs.
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    HashTable *linker_cache;
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    // This tells us which vertex attribute arrays we have enabled.
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    GLint max_attrs;
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    uint8 want_attr[32];
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    uint8 have_attr[32];
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    // rarely used, so we don't touch when we don't have to.
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    int pointsize_enabled;
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237
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    // GL stuff...
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    int opengl_major;
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    int opengl_minor;
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    int glsl_major;
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    int glsl_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_core_opengl;
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    int have_opengl_2;  // different entry points than ARB extensions.
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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_NV_vertex_program2_option;
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    int have_GL_NV_fragment_program2;
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    int have_GL_NV_vertex_program3;
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    int have_GL_NV_gpu_program4;
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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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    int have_GL_ARB_half_float_vertex;
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    int have_GL_OES_vertex_half_float;
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    // Entry points...
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    PFNGLGETSTRINGPROC glGetString;
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    PFNGLGETERRORPROC glGetError;
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    PFNGLGETINTEGERVPROC glGetIntegerv;
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    PFNGLENABLEPROC glEnable;
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    PFNGLDISABLEPROC glDisable;
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    PFNGLDELETESHADERPROC glDeleteShader;
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    PFNGLDELETEPROGRAMPROC glDeleteProgram;
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    PFNGLATTACHSHADERPROC glAttachShader;
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    PFNGLCOMPILESHADERPROC glCompileShader;
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    PFNGLCREATESHADERPROC glCreateShader;
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    PFNGLCREATEPROGRAMPROC glCreateProgram;
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    PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray;
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    PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
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    PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation;
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    PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
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    PFNGLGETSHADERIVPROC glGetShaderiv;
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    PFNGLGETPROGRAMIVPROC glGetProgramiv;
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    PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
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    PFNGLLINKPROGRAMPROC glLinkProgram;
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    PFNGLSHADERSOURCEPROC glShaderSource;
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    PFNGLUNIFORM1IPROC glUniform1i;
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    PFNGLUNIFORM1IVPROC glUniform1iv;
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    PFNGLUNIFORM4FVPROC glUniform4fv;
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    PFNGLUNIFORM4IVPROC glUniform4iv;
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    PFNGLUSEPROGRAMPROC glUseProgram;
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    PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
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    PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
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    PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
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    PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
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    PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
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    PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
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    PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB;
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    PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB;
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    PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB;
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    PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
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    PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
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    PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
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    PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
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    PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
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    PFNGLUNIFORM1IARBPROC glUniform1iARB;
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    PFNGLUNIFORM1IVARBPROC glUniform1ivARB;
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    PFNGLUNIFORM4FVARBPROC glUniform4fvARB;
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    PFNGLUNIFORM4IVARBPROC glUniform4ivARB;
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    PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
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    PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB;
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    PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
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    PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
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    PFNGLPROGRAMLOCALPARAMETERI4IVNVPROC glProgramLocalParameterI4ivNV;
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    PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
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    PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
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    PFNGLBINDPROGRAMARBPROC glBindProgramARB;
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    PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
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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, GLuint *s);
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   251
    void (*profileDeleteShader)(const GLuint shader);
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    void (*profileDeleteProgram)(const GLuint program);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
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    GLint (*profileGetAttribLocation)(MOJOSHADER_glProgram *program, int idx);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
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    GLint (*profileGetUniformLocation)(MOJOSHADER_glProgram *program, MOJOSHADER_glShader *shader, int idx);
347
f8d9d0ae6ba8 Bunch more work (ARB1 profile, OpenGL glue, and general fixes).
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    GLint (*profileGetSamplerLocation)(MOJOSHADER_glProgram *, MOJOSHADER_glShader *, int);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
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    GLuint (*profileLinkProgram)(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
765
076f3bd42329 Moved profileInitProgram to profileFinalInitProgram.
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    void (*profileFinalInitProgram)(MOJOSHADER_glProgram *program);
1072
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    void (*profileUseProgram)(MOJOSHADER_glProgram *program);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
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   259
    void (*profilePushConstantArray)(MOJOSHADER_glProgram *, const MOJOSHADER_uniform *, const GLfloat *);
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    void (*profilePushUniforms)(void);
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   261
    void (*profilePushSampler)(GLint loc, GLuint sampler);
760
6dc8d2cafc58 "Must Push" seemed more correct than "Must Load".
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    int (*profileMustPushConstantArrays)(void);
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    int (*profileMustPushSamplers)(void);
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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   264
};
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   265
323
b60c88ec8182 Initial work on ARB1 profile.
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   266
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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static MOJOSHADER_glContext *ctx = NULL;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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   268
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
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   269
// Error state...
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static char error_buffer[1024] = { '\0' };
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
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   271
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
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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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   276
457
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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#if PLATFORM_MACOSX
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static inline int macosx_version_atleast(int x, int y, int z)
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{
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    static int checked = 0;
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   281
    static int combined = 0;
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   282
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   283
    if (!checked)
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   284
    {
807
138d76f766d1 Fixed compiler warnings on 64-bit Mac OS X.
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        SInt32 ver, major, minor, patch;
457
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        int convert = 0;
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   287
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   288
        if (Gestalt(gestaltSystemVersion, &ver) != noErr)
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            ver = 0x1000;  // oh well.
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   290
        else if (ver < 0x1030)
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   291
            convert = 1;  // split (ver) into (major),(minor),(patch).
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   292
        else
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   293
        {
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   294
            // presumably this won't fail. But if it does, we'll just use the
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   295
            //  original version value. This might cut the value--10.12.11 will
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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   296
            //  come out to 10.9.9, for example--but it's better than nothing.
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   297
            if (Gestalt(gestaltSystemVersionMajor, &major) != noErr)
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   298
                convert = 1;
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   299
            else if (Gestalt(gestaltSystemVersionMinor, &minor) != noErr)
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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                convert = 1;
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   301
            else if (Gestalt(gestaltSystemVersionBugFix, &patch) != noErr)
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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   302
                convert = 1;
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   303
        } // else
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   304
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   305
        if (convert)
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   306
        {
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   307
            major = ((ver & 0xFF00) >> 8);
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   308
            major = (((major / 16) * 10) + (major % 16));
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   309
            minor = ((ver & 0xF0) >> 4);
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   310
            patch = (ver & 0xF);
533
177b9242d08a Fixed a comment.
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   311
        } // if
457
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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diff changeset
   312
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   313
        combined = (major << 16) | (minor << 8) | patch;
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   314
        checked = 1;
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diff changeset
   315
    } // if
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diff changeset
   316
460
54c614f0fcb0 Fixed OS X detection code.
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   317
    return (combined >= ((x << 16) | (y << 8) | z));
457
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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diff changeset
   318
} // macosx_version_atleast
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diff changeset
   319
#endif
96552d8041bf Forbid GLSL on Mac OS X Tiger systems.
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diff changeset
   320
1066
ff14db741834 Added MOJOSHADER_glBindShaders().
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diff changeset
   321
static inline void out_of_memory(void)
ff14db741834 Added MOJOSHADER_glBindShaders().
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   322
{
ff14db741834 Added MOJOSHADER_glBindShaders().
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   323
    set_error("out of memory");
ff14db741834 Added MOJOSHADER_glBindShaders().
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diff changeset
   324
} // out_of_memory
202
20bdf2d7036e Initial add of mojoshader_opengl.c
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parents:
diff changeset
   325
20bdf2d7036e Initial add of mojoshader_opengl.c
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   326
static inline void *Malloc(const size_t len)
20bdf2d7036e Initial add of mojoshader_opengl.c
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diff changeset
   327
{
307
42f6a7ba69e2 Fixes for Visual Studio level 4 compiler warnings.
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   328
    void *retval = ctx->malloc_fn((int) len, ctx->malloc_data);
220
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
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diff changeset
   329
    if (retval == NULL)
1066
ff14db741834 Added MOJOSHADER_glBindShaders().
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diff changeset
   330
        out_of_memory();
220
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
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diff changeset
   331
    return retval;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
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parents:
diff changeset
   332
} // Malloc
20bdf2d7036e Initial add of mojoshader_opengl.c
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parents:
diff changeset
   333
20bdf2d7036e Initial add of mojoshader_opengl.c
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parents:
diff changeset
   334
static inline void Free(void *ptr)
20bdf2d7036e Initial add of mojoshader_opengl.c
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diff changeset
   335
{
220
df5ea69833d5 Fixes to Malloc() and Free() in mojoshader_opengl.c ...
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diff changeset
   336
    if (ptr != NULL)
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   337
        ctx->free_fn(ptr, ctx->malloc_data);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
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parents:
diff changeset
   338
} // Free
20bdf2d7036e Initial add of mojoshader_opengl.c
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   339
20bdf2d7036e Initial add of mojoshader_opengl.c
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   340
358
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   341
static inline void toggle_gl_state(GLenum state, int val)
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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parents: 355
diff changeset
   342
{
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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diff changeset
   343
    if (val)
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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diff changeset
   344
        ctx->glEnable(state);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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parents: 355
diff changeset
   345
    else
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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diff changeset
   346
        ctx->glDisable(state);
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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diff changeset
   347
} // toggle_gl_state
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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parents: 355
diff changeset
   348
f63e18cf642f Fixed MOJOSHADER_glBindProgram() for arb1 profile (thanks, Nicholas!).
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diff changeset
   349
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   350
// profile-specific implementations...
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   351
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   352
#if SUPPORT_PROFILE_GLSL
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   353
static inline GLenum glsl_shader_type(const MOJOSHADER_shaderType t)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   354
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
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diff changeset
   355
    // these enums match between core 2.0 and the ARB extensions.
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   356
    if (t == MOJOSHADER_TYPE_VERTEX)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   357
        return GL_VERTEX_SHADER;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   358
    else if (t == MOJOSHADER_TYPE_PIXEL)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   359
        return GL_FRAGMENT_SHADER;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   360
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   361
    // !!! FIXME: geometry shaders?
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   362
    return GL_NONE;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   363
} // glsl_shader_type
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   364
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   365
760
6dc8d2cafc58 "Must Push" seemed more correct than "Must Load".
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parents: 759
diff changeset
   366
static int impl_GLSL_MustPushConstantArrays(void) { return 1; }
6dc8d2cafc58 "Must Push" seemed more correct than "Must Load".
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diff changeset
   367
static int impl_GLSL_MustPushSamplers(void) { return 1; }
438
73492129c1af Expose true constant arrays in parseData, load them at link time for GLSL.
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parents: 436
diff changeset
   368
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   369
static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   370
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
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parents: 1071
diff changeset
   371
    // these enums match between core 2.0 and the ARB extensions.
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   372
    GLenum pname = GL_NONE;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   373
    GLint val = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   374
    if (shader_type == MOJOSHADER_TYPE_VERTEX)
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
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parents: 1071
diff changeset
   375
        pname = GL_MAX_VERTEX_UNIFORM_COMPONENTS;
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   376
    else if (shader_type == MOJOSHADER_TYPE_PIXEL)
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
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parents: 1071
diff changeset
   377
        pname = GL_MAX_FRAGMENT_UNIFORM_COMPONENTS;
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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parents: 410
diff changeset
   378
    else
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
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diff changeset
   379
        return -1;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   380
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   381
    ctx->glGetIntegerv(pname, &val);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   382
    return (int) val;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   383
} // impl_GLSL_MaxUniforms
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   384
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   385
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   386
static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   387
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   388
    GLint ok = 0;
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   389
    const GLint codelen = (GLint) pd->output_len;
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   390
    const GLenum shader_type = glsl_shader_type(pd->shader_type);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   391
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   392
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   393
    {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   394
        const GLuint shader = ctx->glCreateShader(shader_type);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   395
        ctx->glShaderSource(shader, 1, (const GLchar**) &pd->output, &codelen);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   396
        ctx->glCompileShader(shader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   397
        ctx->glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   398
        if (!ok)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   399
        {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   400
            GLsizei len = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   401
            ctx->glGetInfoLogARB(shader, sizeof (error_buffer), &len,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   402
                                 (GLchar *) error_buffer);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   403
            *s = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   404
            return 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   405
        } // if
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   406
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   407
        *s = shader;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   408
    } // if
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   409
    else
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   410
    {
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   411
        const GLhandleARB shader = ctx->glCreateShaderObjectARB(shader_type);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   412
        assert(sizeof (shader) == sizeof (*s));  // not always true on OS X!
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   413
        ctx->glShaderSourceARB(shader, 1,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   414
                              (const GLcharARB **) &pd->output, &codelen);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   415
        ctx->glCompileShaderARB(shader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   416
        ctx->glGetObjectParameterivARB(shader,GL_OBJECT_COMPILE_STATUS_ARB,&ok);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   417
        if (!ok)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   418
        {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   419
            GLsizei len = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   420
            ctx->glGetInfoLogARB(shader, sizeof (error_buffer), &len,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   421
                                 (GLcharARB *) error_buffer);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   422
            *s = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   423
            return 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   424
        } // if
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   425
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   426
        *s = (GLuint) shader;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   427
    } // else
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   428
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   429
    return 1;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   430
} // impl_GLSL_CompileShader
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   431
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   432
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   433
static void impl_GLSL_DeleteShader(const GLuint shader)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   434
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   435
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   436
        ctx->glDeleteShader(shader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   437
    else
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   438
        ctx->glDeleteObjectARB((GLhandleARB) shader);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   439
} // impl_GLSL_DeleteShader
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   440
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   441
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   442
static void impl_GLSL_DeleteProgram(const GLuint program)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   443
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   444
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   445
        ctx->glDeleteProgram(program);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   446
    else
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   447
        ctx->glDeleteObjectARB((GLhandleARB) program);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   448
} // impl_GLSL_DeleteProgram
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   449
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   450
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   451
static GLint impl_GLSL_GetUniformLocation(MOJOSHADER_glProgram *program,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   452
                                          MOJOSHADER_glShader *shader, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   453
{
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   454
    return 0;  // no-op, we push this as one big-ass array now.
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   455
} // impl_GLSL_GetUniformLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   456
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   457
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   458
static inline GLint glsl_uniform_loc(MOJOSHADER_glProgram *program,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   459
                                          const char *name)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   460
{
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   461
    return ctx->have_opengl_2 ?
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   462
        ctx->glGetUniformLocation(program->handle, name) :
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   463
        ctx->glGetUniformLocationARB((GLhandleARB) program->handle, name);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   464
} // glsl_uniform_loc
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   465
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   466
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   467
static GLint impl_GLSL_GetSamplerLocation(MOJOSHADER_glProgram *program,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   468
                                          MOJOSHADER_glShader *shader, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   469
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   470
    return glsl_uniform_loc(program, shader->parseData->samplers[idx].name);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   471
} // impl_GLSL_GetSamplerLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   472
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   473
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   474
static GLint impl_GLSL_GetAttribLocation(MOJOSHADER_glProgram *program, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   475
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   476
    const MOJOSHADER_parseData *pd = program->vertex->parseData;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   477
    const MOJOSHADER_attribute *a = pd->attributes;
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   478
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   479
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   480
    {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   481
        return ctx->glGetAttribLocation(program->handle,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   482
                                        (const GLchar *) a[idx].name);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   483
    } // if
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   484
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   485
    return ctx->glGetAttribLocationARB((GLhandleARB) program->handle,
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   486
                                        (const GLcharARB *) a[idx].name);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   487
} // impl_GLSL_GetAttribLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   488
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   489
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   490
static GLuint impl_GLSL_LinkProgram(MOJOSHADER_glShader *vshader,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   491
                                    MOJOSHADER_glShader *pshader)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   492
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   493
    GLint ok = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   494
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   495
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   496
    {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   497
        const GLuint program = ctx->glCreateProgram();
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   498
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   499
        if (vshader != NULL) ctx->glAttachShader(program, vshader->handle);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   500
        if (pshader != NULL) ctx->glAttachShader(program, pshader->handle);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   501
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   502
        ctx->glLinkProgram(program);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   503
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   504
        ctx->glGetProgramiv(program, GL_LINK_STATUS, &ok);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   505
        if (!ok)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   506
        {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   507
            GLsizei len = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   508
            ctx->glGetProgramInfoLog(program, sizeof (error_buffer),
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   509
                                     &len, (GLchar *) error_buffer);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   510
            ctx->glDeleteProgram(program);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   511
            return 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   512
        } // if
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   513
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   514
        return program;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   515
    } // if
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   516
    else
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   517
    {
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   518
        const GLhandleARB program = ctx->glCreateProgramObjectARB();
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   519
        assert(sizeof(program) == sizeof(GLuint));  // not always true on OS X!
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   520
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   521
        if (vshader != NULL)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   522
            ctx->glAttachObjectARB(program, (GLhandleARB) vshader->handle);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   523
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   524
        if (pshader != NULL)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   525
            ctx->glAttachObjectARB(program, (GLhandleARB) pshader->handle);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   526
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   527
        ctx->glLinkProgramARB(program);
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   528
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   529
        ctx->glGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &ok);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   530
        if (!ok)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   531
        {
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   532
            GLsizei len = 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   533
            ctx->glGetInfoLogARB(program, sizeof (error_buffer),
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   534
                                 &len, (GLcharARB *) error_buffer);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   535
            ctx->glDeleteObjectARB(program);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   536
            return 0;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   537
        } // if
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   538
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   539
        return (GLuint) program;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   540
    } // else
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   541
} // impl_GLSL_LinkProgram
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   542
765
076f3bd42329 Moved profileInitProgram to profileFinalInitProgram.
Ryan C. Gordon <icculus@icculus.org>
parents: 764
diff changeset
   543
static void impl_GLSL_FinalInitProgram(MOJOSHADER_glProgram *program)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   544
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   545
    
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   546
    program->vs_float4_loc = glsl_uniform_loc(program, "vs_uniforms_vec4");
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   547
    program->vs_int4_loc = glsl_uniform_loc(program, "vs_uniforms_ivec4");
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   548
    program->vs_bool_loc = glsl_uniform_loc(program, "vs_uniforms_bool");
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   549
    program->ps_float4_loc = glsl_uniform_loc(program, "ps_uniforms_vec4");
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   550
    program->ps_int4_loc = glsl_uniform_loc(program, "ps_uniforms_ivec4");
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   551
    program->ps_bool_loc = glsl_uniform_loc(program, "ps_uniforms_bool");
765
076f3bd42329 Moved profileInitProgram to profileFinalInitProgram.
Ryan C. Gordon <icculus@icculus.org>
parents: 764
diff changeset
   552
} // impl_GLSL_FinalInitProgram
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   553
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   554
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   555
static void impl_GLSL_UseProgram(MOJOSHADER_glProgram *program)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   556
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   557
    if (ctx->have_opengl_2)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   558
        ctx->glUseProgram(program ? program->handle : 0);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   559
    else
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   560
        ctx->glUseProgramObjectARB((GLhandleARB) (program ? program->handle : 0));
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   561
} // impl_GLSL_UseProgram
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   562
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   563
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   564
static void impl_GLSL_PushConstantArray(MOJOSHADER_glProgram *program,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   565
                                        const MOJOSHADER_uniform *u,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   566
                                        const GLfloat *f)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   567
{
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   568
    const GLint loc = glsl_uniform_loc(program, u->name);
798
5dd67cc04cf9 Bunch of small tweaks to make this compile as C++ code without errors/warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 797
diff changeset
   569
    if (loc >= 0)   // not optimized out?
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   570
        ctx->glUniform4fv(loc, u->array_count, f);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   571
} // impl_GLSL_PushConstantArray
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   572
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   573
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   574
static void impl_GLSL_PushUniforms(void)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   575
{
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   576
    const MOJOSHADER_glProgram *program = ctx->bound_program;
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   577
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   578
    assert(program->uniform_count > 0);  // don't call with nothing to do!
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   579
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   580
    if (program->vs_float4_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   581
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   582
        ctx->glUniform4fv(program->vs_float4_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   583
                          program->vs_uniforms_float4_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   584
                          program->vs_uniforms_float4);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   585
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   586
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   587
    if (program->vs_int4_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   588
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   589
        ctx->glUniform4iv(program->vs_int4_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   590
                          program->vs_uniforms_int4_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   591
                          program->vs_uniforms_int4);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   592
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   593
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   594
    if (program->vs_bool_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   595
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   596
        ctx->glUniform1iv(program->vs_bool_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   597
                          program->vs_uniforms_bool_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   598
                          program->vs_uniforms_bool);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   599
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   600
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   601
    if (program->ps_float4_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   602
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   603
        ctx->glUniform4fv(program->ps_float4_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   604
                          program->ps_uniforms_float4_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   605
                          program->ps_uniforms_float4);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   606
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   607
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   608
    if (program->ps_int4_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   609
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   610
        ctx->glUniform4iv(program->ps_int4_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   611
                          program->ps_uniforms_int4_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   612
                          program->ps_uniforms_int4);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   613
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   614
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   615
    if (program->ps_bool_loc != -1)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   616
    {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   617
        ctx->glUniform1iv(program->ps_bool_loc,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   618
                          program->ps_uniforms_bool_count,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   619
                          program->ps_uniforms_bool);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   620
    } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   621
} // impl_GLSL_PushUniforms
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   622
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   623
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   624
static void impl_GLSL_PushSampler(GLint loc, GLuint sampler)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   625
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   626
    ctx->glUniform1i(loc, sampler);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   627
} // impl_GLSL_PushSampler
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   628
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   629
#endif  // SUPPORT_PROFILE_GLSL
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   630
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   631
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   632
#if SUPPORT_PROFILE_ARB1
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   633
static inline GLenum arb1_shader_type(const MOJOSHADER_shaderType t)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   634
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   635
    if (t == MOJOSHADER_TYPE_VERTEX)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   636
        return GL_VERTEX_PROGRAM_ARB;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   637
    else if (t == MOJOSHADER_TYPE_PIXEL)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   638
        return GL_FRAGMENT_PROGRAM_ARB;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   639
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   640
    // !!! FIXME: geometry shaders?
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   641
    return GL_NONE;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   642
} // arb1_shader_type
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   643
760
6dc8d2cafc58 "Must Push" seemed more correct than "Must Load".
Ryan C. Gordon <icculus@icculus.org>
parents: 759
diff changeset
   644
static int impl_ARB1_MustPushConstantArrays(void) { return 0; }
6dc8d2cafc58 "Must Push" seemed more correct than "Must Load".
Ryan C. Gordon <icculus@icculus.org>
parents: 759
diff changeset
   645
static int impl_ARB1_MustPushSamplers(void) { return 0; }
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   646
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   647
static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   648
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   649
    GLint retval = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   650
    const GLenum program_type = arb1_shader_type(shader_type);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   651
    if (program_type == GL_NONE)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   652
        return -1;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   653
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   654
    ctx->glGetProgramivARB(program_type, GL_MAX_PROGRAM_PARAMETERS_ARB, &retval);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   655
    return (int) retval;  // !!! FIXME: times four?
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   656
} // impl_ARB1_MaxUniforms
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   657
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   658
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   659
static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   660
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   661
    GLint shaderlen = (GLint) pd->output_len;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   662
    const GLenum shader_type = arb1_shader_type(pd->shader_type);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   663
    GLuint shader = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   664
    ctx->glGenProgramsARB(1, &shader);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   665
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   666
    ctx->glGetError();  // flush any existing error state.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   667
    ctx->glBindProgramARB(shader_type, shader);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   668
    ctx->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   669
                                shaderlen, pd->output);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   670
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   671
    if (ctx->glGetError() == GL_INVALID_OPERATION)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   672
    { 
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   673
        GLint pos = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   674
        ctx->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   675
        const GLubyte *errstr = ctx->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   676
        snprintf(error_buffer, sizeof (error_buffer),
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   677
                  "ARB1 compile error at position %d: %s",
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   678
                  (int) pos, (const char *) errstr);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   679
        ctx->glBindProgramARB(shader_type, 0);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   680
        ctx->glDeleteProgramsARB(1, &shader);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   681
        *s = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   682
        return 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   683
    } // if
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   684
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   685
    *s = shader;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   686
    return 1;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   687
} // impl_ARB1_CompileShader
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   688
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   689
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   690
static void impl_ARB1_DeleteShader(const GLuint _shader)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   691
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   692
    GLuint shader = _shader;  // const removal.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   693
    ctx->glDeleteProgramsARB(1, &shader);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   694
} // impl_ARB1_DeleteShader
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   695
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   696
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   697
static void impl_ARB1_DeleteProgram(const GLuint program)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   698
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   699
    // no-op. ARB1 doesn't have real linked programs.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   700
} // impl_GLSL_DeleteProgram
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   701
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   702
static GLint impl_ARB1_GetUniformLocation(MOJOSHADER_glProgram *program,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   703
                                          MOJOSHADER_glShader *shader, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   704
{
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   705
    return 0;  // no-op, we push this as one big-ass array now.
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   706
} // impl_ARB1_GetUniformLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   707
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   708
static GLint impl_ARB1_GetSamplerLocation(MOJOSHADER_glProgram *program,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   709
                                          MOJOSHADER_glShader *shader, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   710
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   711
    return shader->parseData->samplers[idx].index;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   712
} // impl_ARB1_GetSamplerLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   713
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   714
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   715
static GLint impl_ARB1_GetAttribLocation(MOJOSHADER_glProgram *program, int idx)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   716
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   717
    return idx;  // map to vertex arrays in the same order as the parseData.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   718
} // impl_ARB1_GetAttribLocation
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   719
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   720
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   721
static GLuint impl_ARB1_LinkProgram(MOJOSHADER_glShader *vshader,
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   722
                                    MOJOSHADER_glShader *pshader)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   723
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   724
    // there is no formal linking in ARB1...just return a unique value.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   725
    static GLuint retval = 1;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   726
    return retval++;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   727
} // impl_ARB1_LinkProgram
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   728
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   729
765
076f3bd42329 Moved profileInitProgram to profileFinalInitProgram.
Ryan C. Gordon <icculus@icculus.org>
parents: 764
diff changeset
   730
static void impl_ARB1_FinalInitProgram(MOJOSHADER_glProgram *program)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   731
{
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   732
    // no-op.
765
076f3bd42329 Moved profileInitProgram to profileFinalInitProgram.
Ryan C. Gordon <icculus@icculus.org>
parents: 764
diff changeset
   733
} // impl_ARB1_FinalInitProgram
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   734
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   735
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   736
static void impl_ARB1_UseProgram(MOJOSHADER_glProgram *program)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   737
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   738
    GLuint vhandle = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   739
    GLuint phandle = 0;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   740
    if (program != NULL)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   741
    {
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   742
        if (program->vertex != NULL)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   743
            vhandle = program->vertex->handle;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   744
        if (program->fragment != NULL)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   745
            phandle = program->fragment->handle;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   746
    } // if
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   747
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   748
    toggle_gl_state(GL_VERTEX_PROGRAM_ARB, vhandle != 0);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   749
    toggle_gl_state(GL_FRAGMENT_PROGRAM_ARB, phandle != 0);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   750
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   751
    ctx->glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vhandle);
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   752
    ctx->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, phandle);
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   753
} // impl_ARB1_UseProgram
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   754
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   755
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   756
static void impl_ARB1_PushConstantArray(MOJOSHADER_glProgram *program,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   757
                                        const MOJOSHADER_uniform *u,
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   758
                                        const GLfloat *f)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   759
{
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   760
    // no-op. Constant arrays are defined in source code for arb1.
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   761
} // impl_ARB1_PushConstantArray
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   762
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   763
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   764
static void impl_ARB1_PushUniforms(void)
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 424
diff changeset
   765
{
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   766
    // vertex shader uniforms come first in program->uniforms array.
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   767
    MOJOSHADER_shaderType shader_type = MOJOSHADER_TYPE_VERTEX;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   768
    GLenum arb_shader_type = arb1_shader_type(shader_type);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   769
    const MOJOSHADER_glProgram *program = ctx->bound_program;
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   770
    const uint32 count = program->uniform_count;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   771
    const GLfloat *srcf = program->vs_uniforms_float4;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   772
    const GLint *srci = program->vs_uniforms_int4;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   773
    const GLint *srcb = program->vs_uniforms_bool;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   774
    GLint loc = 0;
1090
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   775
    GLint texbem_loc = 0;
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   776
    uint32 i;
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 424
diff changeset
   777
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   778
    assert(count > 0);  // shouldn't call this with nothing to do!
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   779
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   780
    for (i = 0; i < count; i++)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   781
    {
767
806ba18f23aa Cleanups and fixes in ARB1 uniform pushing.
Ryan C. Gordon <icculus@icculus.org>
parents: 766
diff changeset
   782
        UniformMap *map = &program->uniforms[i];
770
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   783
        const MOJOSHADER_shaderType uniform_shader_type = map->shader_type;
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   784
        const MOJOSHADER_uniform *u = map->uniform;
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   785
        const MOJOSHADER_uniformType type = u->type;
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   786
        const int size = u->array_count ? u->array_count : 1;
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   787
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   788
        assert(!u->constant);
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   789
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   790
        // Did we switch from vertex to pixel (to geometry, etc)?
770
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   791
        if (shader_type != uniform_shader_type)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   792
        {
1090
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   793
            if (shader_type == MOJOSHADER_TYPE_PIXEL)
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   794
                texbem_loc = loc;
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   795
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   796
            // we start with vertex, move to pixel, then to geometry, etc.
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   797
            //  The array should always be sorted as such.
770
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   798
            if (uniform_shader_type == MOJOSHADER_TYPE_PIXEL)
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   799
            {
770
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   800
                assert(shader_type == MOJOSHADER_TYPE_VERTEX);
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   801
                srcf = program->ps_uniforms_float4;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   802
                srci = program->ps_uniforms_int4;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   803
                srcb = program->ps_uniforms_bool;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   804
                loc = 0;
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   805
            } // if
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   806
            else
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   807
            {
769
0627038d2032 Fixed wrong assert; triggered if there were no vertex shader uniforms.
Ryan C. Gordon <icculus@icculus.org>
parents: 768
diff changeset
   808
                // These should be ordered vertex, then pixel, then geometry.
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   809
                assert(0 && "Unexpected shader type");
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   810
            } // else
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   811
770
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   812
            shader_type = uniform_shader_type;
b5e545408b02 Fixed incorrect variable name.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
   813
            arb_shader_type = arb1_shader_type(uniform_shader_type);
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   814
        } // if
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 424
diff changeset
   815
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   816
        if (type == MOJOSHADER_UNIFORM_FLOAT)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   817
        {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   818
            int i;
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   819
            for (i = 0; i < size; i++, srcf += 4, loc++)
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   820
                ctx->glProgramLocalParameter4fvARB(arb_shader_type, loc, srcf);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   821
        } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   822
        else if (type == MOJOSHADER_UNIFORM_INT)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   823
        {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   824
            int i;
1024
dbff93345a84 Test for the GL extension, not whether the entry point is NULL.
Ryan C. Gordon <icculus@icculus.org>
parents: 1023
diff changeset
   825
            if (ctx->have_GL_NV_gpu_program4)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   826
            {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   827
                // GL_NV_gpu_program4 has integer uniform loading support.
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   828
                for (i = 0; i < size; i++, srci += 4, loc++)
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   829
                    ctx->glProgramLocalParameterI4ivNV(arb_shader_type, loc, srci);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   830
            } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   831
            else
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   832
            {
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   833
                for (i = 0; i < size; i++, srci += 4, loc++)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   834
                {
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   835
                    const GLfloat fv[4] = {
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   836
                        (GLfloat) srci[0], (GLfloat) srci[1],
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   837
                        (GLfloat) srci[2], (GLfloat) srci[3]
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   838
                    };
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   839
                    ctx->glProgramLocalParameter4fvARB(arb_shader_type, loc, fv);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   840
                } // for
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   841
            } // else
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   842
        } // else if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   843
        else if (type == MOJOSHADER_UNIFORM_BOOL)
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   844
        {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   845
            int i;
1024
dbff93345a84 Test for the GL extension, not whether the entry point is NULL.
Ryan C. Gordon <icculus@icculus.org>
parents: 1023
diff changeset
   846
            if (ctx->have_GL_NV_gpu_program4)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   847
            {
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   848
                // GL_NV_gpu_program4 has integer uniform loading support.
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   849
                for (i = 0; i < size; i++, srcb++, loc++)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   850
                {
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   851
                    const GLint ib = (GLint) ((*srcb) ? 1 : 0);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   852
                    const GLint iv[4] = { ib, ib, ib, ib };
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   853
                    ctx->glProgramLocalParameterI4ivNV(arb_shader_type, loc, iv);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   854
                } // for
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   855
            } // if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   856
            else
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   857
            {
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   858
                for (i = 0; i < size; i++, srcb++, loc++)
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   859
                {
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   860
                    const GLfloat fb = (GLfloat) ((*srcb) ? 1.0f : 0.0f);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   861
                    const GLfloat fv[4] = { fb, fb, fb, fb };
768
9ba81386bd4d Optimize/cleanup in uniform array iteration work.
Ryan C. Gordon <icculus@icculus.org>
parents: 767
diff changeset
   862
                    ctx->glProgramLocalParameter4fvARB(arb_shader_type, loc, fv);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   863
                } // for
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   864
            } // else
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   865
        } // else if
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   866
    } // for
1090
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   867
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   868
    if (program->texbem_count)
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   869
    {
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   870
        const GLenum target = GL_FRAGMENT_PROGRAM_ARB;
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   871
        GLfloat *srcf = program->ps_uniforms_float4;
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   872
        srcf += (program->ps_uniforms_float4_count * 4) -
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   873
                (program->texbem_count * 8);
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   874
        loc = texbem_loc;
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   875
        for (i = 0; i < program->texbem_count; i++, srcf += 8)
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   876
        {
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   877
            ctx->glProgramLocalParameter4fvARB(target, loc++, srcf);
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   878
            ctx->glProgramLocalParameter4fvARB(target, loc++, srcf + 4);
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   879
        } // for
636ffcd3f14a First shot at GLSL/ARB1 support for TEXBEM and TEXBEML opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   880
    } // if
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   881
} // impl_ARB1_PushUniforms
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 424
diff changeset
   882
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   883
static void impl_ARB1_PushSampler(GLint loc, GLuint sampler)
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   884
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   885
    // no-op in this profile...arb1 uses the texture units as-is.
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   886
    assert(loc == (GLint) sampler);
763
ef6489e7e263 Serious OpenGL glue surgery to push uniforms as one big array.
Ryan C. Gordon <icculus@icculus.org>
parents: 761
diff changeset
   887
} // impl_ARB1_PushSampler
411
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   888
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   889
#endif  // SUPPORT_PROFILE_ARB1
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   890
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   891
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   892
const char *MOJOSHADER_glGetError(void)
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   893
{
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   894
    return error_buffer;
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   895
} // MOJOSHADER_glGetError
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   896
01bc1352c047 Rearranged profile-specific functions in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   897
904
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
   898
static void *loadsym(MOJOSHADER_glGetProcAddress lookup, void *d,
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
   899
                     const char *fn, int *ext)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   900
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   901
    void *retval = NULL;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   902
    if (lookup != NULL)
904
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
   903
        retval = lookup(fn, d);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   904
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   905
    if (retval == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   906
        *ext = 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   907
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   908
    return retval;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   909
} // loadsym
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   910
904
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
   911
static void lookup_entry_points(MOJOSHADER_glGetProcAddress lookup, void *d)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   912
{
363
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   913
    #define DO_LOOKUP(ext, typ, fn) { \
1023
8f4d16a3b380 Cleaned up GL symbol lookup slightly.
Ryan C. Gordon <icculus@icculus.org>
parents: 906
diff changeset
   914
        ctx->fn = (typ) loadsym(lookup, d, #fn, &ctx->have_##ext); \
363
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   915
    }
bea8bf9e5536 Patched to compile.
Ryan C. Gordon <icculus@icculus.org>
parents: 362
diff changeset
   916
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   917
    DO_LOOKUP(core_opengl, PFNGLGETSTRINGPROC, glGetString);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   918
    DO_LOOKUP(core_opengl, PFNGLGETERRORPROC, glGetError);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   919
    DO_LOOKUP(core_opengl, PFNGLGETINTEGERVPROC, glGetIntegerv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   920
    DO_LOOKUP(core_opengl, PFNGLENABLEPROC, glEnable);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   921
    DO_LOOKUP(core_opengl, PFNGLDISABLEPROC, glDisable);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   922
    DO_LOOKUP(opengl_2, PFNGLDELETESHADERPROC, glDeleteShader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   923
    DO_LOOKUP(opengl_2, PFNGLDELETEPROGRAMPROC, glDeleteProgram);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   924
    DO_LOOKUP(opengl_2, PFNGLATTACHSHADERPROC, glAttachShader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   925
    DO_LOOKUP(opengl_2, PFNGLCOMPILESHADERPROC, glCompileShader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   926
    DO_LOOKUP(opengl_2, PFNGLCREATESHADERPROC, glCreateShader);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   927
    DO_LOOKUP(opengl_2, PFNGLCREATEPROGRAMPROC, glCreateProgram);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   928
    DO_LOOKUP(opengl_2, PFNGLDISABLEVERTEXATTRIBARRAYPROC, glDisableVertexAttribArray);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   929
    DO_LOOKUP(opengl_2, PFNGLENABLEVERTEXATTRIBARRAYPROC, glEnableVertexAttribArray);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   930
    DO_LOOKUP(opengl_2, PFNGLGETATTRIBLOCATIONPROC, glGetAttribLocation);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   931
    DO_LOOKUP(opengl_2, PFNGLGETPROGRAMINFOLOGPROC, glGetProgramInfoLog);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   932
    DO_LOOKUP(opengl_2, PFNGLGETSHADERIVPROC, glGetShaderiv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   933
    DO_LOOKUP(opengl_2, PFNGLGETPROGRAMIVPROC, glGetProgramiv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   934
    DO_LOOKUP(opengl_2, PFNGLGETUNIFORMLOCATIONPROC, glGetUniformLocation);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   935
    DO_LOOKUP(opengl_2, PFNGLLINKPROGRAMPROC, glLinkProgram);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   936
    DO_LOOKUP(opengl_2, PFNGLSHADERSOURCEPROC, glShaderSource);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   937
    DO_LOOKUP(opengl_2, PFNGLUNIFORM1IPROC, glUniform1i);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   938
    DO_LOOKUP(opengl_2, PFNGLUNIFORM1IVPROC, glUniform1iv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   939
    DO_LOOKUP(opengl_2, PFNGLUNIFORM4FVPROC, glUniform4fv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   940
    DO_LOOKUP(opengl_2, PFNGLUNIFORM4IVPROC, glUniform4iv);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   941
    DO_LOOKUP(opengl_2, PFNGLUSEPROGRAMPROC, glUseProgram);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   942
    DO_LOOKUP(opengl_2, PFNGLVERTEXATTRIBPOINTERPROC, glVertexAttribPointer);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   943
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLDELETEOBJECTARBPROC, glDeleteObjectARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   944
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLATTACHOBJECTARBPROC, glAttachObjectARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   945
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCOMPILESHADERARBPROC, glCompileShaderARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   946
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATEPROGRAMOBJECTARBPROC, glCreateProgramObjectARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   947
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATESHADEROBJECTARBPROC, glCreateShaderObjectARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   948
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETINFOLOGARBPROC, glGetInfoLogARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   949
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETOBJECTPARAMETERIVARBPROC, glGetObjectParameterivARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   950
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETUNIFORMLOCATIONARBPROC, glGetUniformLocationARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   951
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLLINKPROGRAMARBPROC, glLinkProgramARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   952
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLSHADERSOURCEARBPROC, glShaderSourceARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   953
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM1IARBPROC, glUniform1iARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   954
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM1IVARBPROC, glUniform1ivARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   955
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4FVARBPROC, glUniform4fvARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   956
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4IVARBPROC, glUniform4ivARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   957
    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObjectARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   958
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLDISABLEVERTEXATTRIBARRAYARBPROC, glDisableVertexAttribArrayARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   959
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLENABLEVERTEXATTRIBARRAYARBPROC, glEnableVertexAttribArrayARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   960
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLGETATTRIBLOCATIONARBPROC, glGetAttribLocationARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   961
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointerARB);
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   962
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointerARB);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   963
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGETPROGRAMIVARBPROC, glGetProgramivARB);
395
d2307cc5d6e7 Use local parameters, not environment params, in the arb1/nv2 profiles.
Ryan C. Gordon <icculus@icculus.org>
parents: 394
diff changeset
   964
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMLOCALPARAMETER4FVARBPROC, glProgramLocalParameter4fvARB);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   965
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLDELETEPROGRAMSARBPROC, glDeleteProgramsARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   966
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGENPROGRAMSARBPROC, glGenProgramsARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   967
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLBINDPROGRAMARBPROC, glBindProgramARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   968
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMSTRINGARBPROC, glProgramStringARB);
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 424
diff changeset
   969
    DO_LOOKUP(GL_NV_gpu_program4, PFNGLPROGRAMLOCALPARAMETERI4IVNVPROC, glProgramLocalParameterI4ivNV);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   970
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   971
    #undef DO_LOOKUP
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   972
} // lookup_entry_points
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   973
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   974
static inline int opengl_version_atleast(const int major, const int minor)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   975
{
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   976
    return ( ((ctx->opengl_major << 16) | (ctx->opengl_minor & 0xFFFF)) >=
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   977
             ((major << 16) | (minor & 0xFFFF)) );
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   978
} // opengl_version_atleast
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   979
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   980
static int verify_extension(const char *ext, int have, const char *extlist,
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   981
                            int major, int minor)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   982
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   983
    if (have == 0)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   984
        return 0;  // don't bother checking, we're missing an entry point.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   985
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   986
    else if (!ctx->have_core_opengl)
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   987
        return 0;  // don't bother checking, we're missing basic functionality.
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   988
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   989
    // See if it's in the spec for this GL implementation's version.
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   990
    if ((major > 0) && (opengl_version_atleast(major, minor)))
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
   991
        return 1;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   992
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   993
    // Not available in the GL version, check the extension list.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   994
    const char *ptr = strstr(extlist, ext);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   995
    if (ptr == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   996
        return 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   997
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   998
    const char endchar = ptr[strlen(ext)];
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   999
    if ((endchar == '\0') || (endchar == ' '))
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1000
        return 1;  // extension is in the list.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1001
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1002
    return 0;  // just not supported, fail.
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1003
} // verify_extension
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1004
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1005
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1006
static void parse_opengl_version_str(const char *verstr, int *maj, int *min)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1007
{
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1008
    if (verstr == NULL)
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1009
        *maj = *min = 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1010
    else
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1011
        sscanf(verstr, "%d.%d", maj, min);
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1012
} // parse_opengl_version_str
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1013
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1014
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1015
#if SUPPORT_PROFILE_GLSL
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1016
static inline int glsl_version_atleast(const int major, const int minor)
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1017
{
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1018
    return ( ((ctx->glsl_major << 16) | (ctx->glsl_minor & 0xFFFF)) >=
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1019
             ((major << 16) | (minor & 0xFFFF)) );
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1020
} // glsl_version_atleast
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1021
#endif
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1022
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1023
static void detect_glsl_version(void)
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1024
{
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1025
    ctx->glsl_major = ctx->glsl_minor = 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1026
808
b7196cc07283 Allow compiler to strip disabled glsl120 and nvX profiles as dead code.
Ryan C. Gordon <icculus@icculus.org>
parents: 807
diff changeset
  1027
#if SUPPORT_PROFILE_GLSL
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1028
    if (!ctx->have_core_opengl)
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1029
        return;  // everything's busted, give up.
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1030
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1031
    #if PLATFORM_MACOSX
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1032
    // If running on Mac OS X <= 10.4, don't ever use GLSL, even if
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1033
    //  the system claims it is available.
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1034
    if (!macosx_version_atleast(10, 5, 0))
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1035
        return;
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1036
    #endif
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1037
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1038
    if ( ctx->have_opengl_2 ||
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1039
         ( ctx->have_GL_ARB_shader_objects &&
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1040
           ctx->have_GL_ARB_vertex_shader &&
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1041
           ctx->have_GL_ARB_fragment_shader &&
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1042
           ctx->have_GL_ARB_shading_language_100 ) )
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1043
    {
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1044
        // the GL2.0 and ARB enum is the same value.
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1045
        const GLenum enumval = GL_SHADING_LANGUAGE_VERSION;
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1046
        ctx->glGetError();  // flush any existing error state.
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1047
        const char *str = (const char *) ctx->glGetString(enumval);
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1048
        if (ctx->glGetError() == GL_INVALID_ENUM)
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1049
            str = NULL;
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1050
        parse_opengl_version_str(str, &ctx->glsl_major, &ctx->glsl_minor);
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1051
    } // if
808
b7196cc07283 Allow compiler to strip disabled glsl120 and nvX profiles as dead code.
Ryan C. Gordon <icculus@icculus.org>
parents: 807
diff changeset
  1052
#endif
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 1069
diff changeset
  1053
} // detect_glsl_version
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1054
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 396
diff changeset
  1055
904
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
  1056
static void load_extensions(MOJOSHADER_glGetProcAddress lookup, void *d)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1057
{
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
  1058
    const char *extlist = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
  1059
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1060
    ctx->have_core_opengl = 1;
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1061
    ctx->have_opengl_2 = 1;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
  1062
    ctx->have_GL_ARB_vertex_program = 1;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
  1063
    ctx->have_GL_ARB_fragment_program = 1;
388
5930c6cd840e Fixed detection of OpenGL extensions needed by nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 363
diff changeset
  1064
    ctx->have_GL_NV_vertex_program2_option = 1;
5930c6cd840e Fixed detection of OpenGL extensions needed by nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 363
diff changeset
  1065
    ctx->have_GL_NV_fragment_program2 = 1;
421
bfd3d95273ec First piece of work on nv3 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 420
diff changeset
  1066
    ctx->have_GL_NV_vertex_program3 = 1;
432
6c59f6c0456a Fixed uninitialized variable in OpenGL glue's nv4 profile detection.
Ryan C. Gordon <icculus@icculus.org>
parents: 431
diff changeset
  1067
    ctx->have_GL_NV_gpu_program4 = 1;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1068
    ctx->have_GL_ARB_shader_objects = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1069
    ctx->have_GL_ARB_vertex_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1070
    ctx->have_GL_ARB_fragment_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1071
    ctx->have_GL_ARB_shading_language_100 = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1072
    ctx->have_GL_NV_half_float = 1;
449
5a978f37e750 Added support for GL_ARB_half_float_vertex and GL_OES_vertex_half_float.
Ryan C. Gordon <icculus@icculus.org>
parents: 448
diff changeset
  1073
    ctx->have_GL_ARB_half_float_vertex = 1;
5a978f37e750 Added support for GL_ARB_half_float_vertex and GL_OES_vertex_half_float.
Ryan C. Gordon <icculus@icculus.org>
parents: 448
diff changeset
  1074
    ctx->have_GL_OES_vertex_half_float = 1;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1075
904
5989f0d4185a Added data argument to GL entry point lookup callback.
Ryan C. Gordon <icculus@icculus.org>
parents: 808
diff changeset
  1076
    lookup_entry_points(lookup, d);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1077
1072
3400f252c4e0 Fixed up calling GL2 vs ARB extension entry points.
Ryan C. Gordon <icculus@icculus.org>
parents: 1071
diff changeset
  1078
    if (!ctx->have_core_opengl)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
  1079
        set_error("missing basic OpenGL entry points");
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
  1080
    else
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
  1081
    {
1070
32eb4fe78351 Reworked GLSL extension and version detection.
Ryan C. Gordon <icculus@iccu