mojoshader_opengl.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 29 May 2008 13:16:37 -0400
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More work on ARB1 profile OpenGL glue.
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <assert.h>
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#ifdef _MSC_VER
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>  // GL headers need this for WINGDIAPI definition.
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#endif
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#include "mojoshader.h"
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#define GL_GLEXT_LEGACY 1
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#include "GL/gl.h"
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#include "GL/glext.h"
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// Get basic wankery out of the way here...
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typedef unsigned int uint;  // this is a printf() helper. don't use for code.
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#ifdef _MSC_VER
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#define snprintf _snprintf
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typedef unsigned __int8 uint8;
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typedef unsigned __int32 uint32;
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typedef unsigned __int32 int32;
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// Warning Level 4 considered harmful.  :)
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#pragma warning(disable: 4100)  // "unreferenced formal parameter"
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#pragma warning(disable: 4389)  // "signed/unsigned mismatch"
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#else
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#include <stdint.h>
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typedef uint8_t uint8;
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typedef uint32_t uint32;
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typedef int32_t int32;
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#endif
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#define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )
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#ifndef SUPPORT_PROFILE_GLSL
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#define SUPPORT_PROFILE_GLSL 1
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#endif
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#ifndef SUPPORT_PROFILE_ARB1
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#define SUPPORT_PROFILE_ARB1 1
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#endif
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struct MOJOSHADER_glShader
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{
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    const MOJOSHADER_parseData *parseData;
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    GLuint handle;
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    uint32 refcount;
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};
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typedef struct
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{
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    MOJOSHADER_shaderType shader_type;
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    const MOJOSHADER_uniform *uniform;
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    GLuint location;
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} UniformMap;
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typedef struct
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{
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    MOJOSHADER_shaderType shader_type;
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    const MOJOSHADER_sampler *sampler;
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    GLuint location;
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} SamplerMap;
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typedef struct
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{
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    const MOJOSHADER_attribute *attribute;
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    GLuint location;
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} AttributeMap;
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struct MOJOSHADER_glProgram
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{
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    MOJOSHADER_glShader *vertex;
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    MOJOSHADER_glShader *fragment;
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    GLuint handle;
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    uint32 constant_count;  // !!! FIXME: misnamed.
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    GLfloat *constants;  // !!! FIXME: misnamed.
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    uint32 uniform_count;
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    UniformMap *uniforms;
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    uint32 sampler_count;
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    SamplerMap *samplers;
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    uint32 attribute_count;
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    AttributeMap *attributes;
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    uint32 refcount;
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};
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#ifndef WINGDIAPI
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#define WINGDIAPI
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#endif
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// Entry points in base OpenGL that lack function pointer prototypes...
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typedef WINGDIAPI void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params);
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typedef WINGDIAPI const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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typedef WINGDIAPI GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
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struct MOJOSHADER_glContext
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{
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    // Allocators...
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    MOJOSHADER_malloc malloc_fn;
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    MOJOSHADER_free free_fn;
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    void *malloc_data;
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    // The constant register files...
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    // Man, it kills me how much memory this takes...
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    GLfloat vs_reg_file_f[8192 * 4];
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    GLint vs_reg_file_i[2047 * 4];
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    GLint vs_reg_file_b[2047];
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    GLfloat ps_reg_file_f[8192 * 4];
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    GLint ps_reg_file_i[2047 * 4];
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    GLint ps_reg_file_b[2047];
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    GLuint sampler_reg_file[16];
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    // GL stuff...
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    int opengl_major;
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    int opengl_minor;
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    MOJOSHADER_glProgram *bound_program;
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    char profile[16];
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    // Extensions...
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    int have_base_opengl;
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    int have_GL_ARB_vertex_program;
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    int have_GL_ARB_fragment_program;
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    int have_GL_ARB_shader_objects;
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    int have_GL_ARB_vertex_shader;
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    int have_GL_ARB_fragment_shader;
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    int have_GL_ARB_shading_language_100;
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    int have_GL_NV_half_float;
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    // Entry points...
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    PFNGLGETSTRINGPROC glGetString;
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    PFNGLGETERRORPROC glGetError;
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    PFNGLGETINTEGERVPROC glGetIntegerv;
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    PFNGLDELETEOBJECTARBPROC glDeleteObject;
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    PFNGLATTACHOBJECTARBPROC glAttachObject;
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    PFNGLCOMPILESHADERARBPROC glCompileShader;
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    PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObject;
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    PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObject;
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    PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArray;
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    PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArray;
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    PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocation;
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    PFNGLGETINFOLOGARBPROC glGetInfoLog;
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    PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameteriv;
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    PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocation;
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    PFNGLLINKPROGRAMARBPROC glLinkProgram;
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    PFNGLSHADERSOURCEARBPROC glShaderSource;
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    PFNGLUNIFORM1IARBPROC glUniform1i;
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    PFNGLUNIFORM4FVARBPROC glUniform4fv;
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    PFNGLUNIFORM4IVARBPROC glUniform4iv;
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    PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObject;
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    PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointer;
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    PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
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    PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
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    PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fvARB;
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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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    void (*profileDeleteShader)(const GLuint shader);
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    void (*profileDeleteProgram)(const GLuint program);
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    GLint (*profileGetUniformLocation)(GLuint, const MOJOSHADER_parseData *, int);
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    GLuint (*profileLinkProgram)(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
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    void (*profileUseProgramObject)(MOJOSHADER_glProgram *program);
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    void (*profileUniform4fv)(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLfloat *v);
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    void (*profileUniform4iv)(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLint *v);
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    void (*profileUniform1i)(const MOJOSHADER_parseData *pd, GLint loc, GLint v);
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    void (*profileSetSampler)(GLint loc, GLuint sampler);
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};
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// predeclare some profile implementation stuff...
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static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type);
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static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s);
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static void impl_GLSL_DeleteShader(const GLuint shader);
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static void impl_GLSL_DeleteProgram(const GLuint program);
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static GLint impl_GLSL_GetUniformLocation(GLuint, const MOJOSHADER_parseData *, int);
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static GLuint impl_GLSL_LinkProgram(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
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static void impl_GLSL_UseProgramObject(MOJOSHADER_glProgram *program);
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static void impl_GLSL_Uniform4fv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLfloat *v);
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static void impl_GLSL_Uniform4iv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLint *v);
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static void impl_GLSL_Uniform1i(const MOJOSHADER_parseData *pd, GLint loc, GLint v);
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static void impl_GLSL_SetSampler(GLint loc, GLuint sampler);
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static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type);
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static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s);
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static void impl_ARB1_DeleteShader(const GLuint shader);
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static void impl_ARB1_DeleteProgram(const GLuint program);
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static GLint impl_ARB1_GetUniformLocation(GLuint, const MOJOSHADER_parseData *, int);
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static GLuint impl_ARB1_LinkProgram(MOJOSHADER_glShader *, MOJOSHADER_glShader *);
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static void impl_ARB1_UseProgramObject(MOJOSHADER_glProgram *program);
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static void impl_ARB1_Uniform4fv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLfloat *v);
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static void impl_ARB1_Uniform4iv(const MOJOSHADER_parseData *pd, GLint loc, GLsizei siz, GLint *v);
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static void impl_ARB1_Uniform1i(const MOJOSHADER_parseData *pd, GLint loc, GLint v);
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static void impl_ARB1_SetSampler(GLint loc, GLuint sampler);
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static MOJOSHADER_glContext *ctx = NULL;
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// Error state...
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static char error_buffer[1024] = { '\0' };
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static void set_error(const char *str)
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{
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    snprintf(error_buffer, sizeof (error_buffer), "%s", str);
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} // set_error
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// #define this to force app to supply an allocator, so there's no reference
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//  to the C runtime's malloc() and free()...
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#if MOJOSHADER_FORCE_ALLOCATOR
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#define internal_malloc NULL
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#define internal_free NULL
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#else
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static void *internal_malloc(int bytes, void *d) { return malloc(bytes); }
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static void internal_free(void *ptr, void *d) { free(ptr); }
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#endif
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static inline void *Malloc(const size_t len)
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{
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    void *retval = ctx->malloc_fn((int) len, ctx->malloc_data);
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    if (retval == NULL)
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        set_error("out of memory");
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    return retval;
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} // Malloc
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static inline void Free(void *ptr)
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{
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    if (ptr != NULL)
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        ctx->free_fn(ptr, ctx->malloc_data);
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} // Free
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const char *MOJOSHADER_glGetError(void)
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{
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    return error_buffer;
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} // MOJOSHADER_glGetError
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229
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static void *loadsym(void *(*lookup)(const char *fn), const char *fn, int *ext)
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{
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    void *retval = NULL;
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   257
    if (lookup != NULL)
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   258
    {
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   259
        retval = lookup(fn);
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        if (retval == NULL)
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        {
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            char arbfn[64];
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            snprintf(arbfn, sizeof (arbfn), "%sARB", fn);
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            retval = lookup(arbfn);
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   265
        } // if
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   266
    } // if
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   267
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   268
    if (retval == NULL)
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   269
        *ext = 0;
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   270
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    return retval;
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   272
} // loadsym
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   273
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static void lookup_entry_points(void *(*lookup)(const char *fnname))
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{
237
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    #define DO_LOOKUP(ext, typ, fn) ctx->fn = (typ) loadsym(lookup, #fn, &ctx->have_##ext)
229
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    DO_LOOKUP(base_opengl, PFNGLGETSTRINGPROC, glGetString);
333
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    DO_LOOKUP(base_opengl, PFNGLGETERRORPROC, glGetError);
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
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    DO_LOOKUP(base_opengl, PFNGLGETINTEGERVPROC, glGetIntegerv);
229
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLDELETEOBJECTARBPROC, glDeleteObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLATTACHOBJECTARBPROC, glAttachObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCOMPILESHADERARBPROC, glCompileShader);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATEPROGRAMOBJECTARBPROC, glCreateProgramObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLCREATESHADEROBJECTARBPROC, glCreateShaderObject);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETINFOLOGARBPROC, glGetInfoLog);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETOBJECTPARAMETERIVARBPROC, glGetObjectParameteriv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLGETUNIFORMLOCATIONARBPROC, glGetUniformLocation);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLLINKPROGRAMARBPROC, glLinkProgram);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLSHADERSOURCEARBPROC, glShaderSource);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM1IARBPROC, glUniform1i);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4FVARBPROC, glUniform4fv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUNIFORM4IVARBPROC, glUniform4iv);
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    DO_LOOKUP(GL_ARB_shader_objects, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObject);
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   294
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLDISABLEVERTEXATTRIBARRAYARBPROC, glDisableVertexAttribArray);
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    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLENABLEVERTEXATTRIBARRAYARBPROC, glEnableVertexAttribArray);
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   296
    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLGETATTRIBLOCATIONARBPROC, glGetAttribLocation);
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    DO_LOOKUP(GL_ARB_vertex_shader, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointer);
333
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLUSEPROGRAMOBJECTARBPROC, glUseProgramObject);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLVERTEXATTRIBPOINTERARBPROC, glVertexAttribPointer);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGETPROGRAMIVARBPROC, glGetProgramivARB);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGETPROGRAMSTRINGARBPROC, glGetProgramStringARB);
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   302
    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMENVPARAMETER4FVARBPROC, glProgramEnvParameter4fvARB);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLDELETEPROGRAMSARBPROC, glDeleteProgramsARB);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLGENPROGRAMSARBPROC, glGenProgramsARB);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLBINDPROGRAMARBPROC, glBindProgramARB);
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    DO_LOOKUP(GL_ARB_vertex_program, PFNGLPROGRAMSTRINGARBPROC, glProgramStringARB);
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   307
229
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   308
    #undef DO_LOOKUP
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   309
} // lookup_entry_points
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   310
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   311
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   312
static int verify_extension(const char *ext, int have, const char *extlist,
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   313
                            int major, int minor)
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   314
{
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   315
    if (have == 0)
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   316
        return 0;  // don't bother checking, we're missing an entry point.
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   317
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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   318
    else if (!ctx->have_base_opengl)
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diff changeset
   319
        return 0;  // don't bother checking, we're missing basic functionality.
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diff changeset
   320
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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   321
    // See if it's in the spec for this GL implementation's version.
236
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   322
    if (major >= 0)
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   323
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   324
        if ( ((ctx->opengl_major << 16) | (ctx->opengl_minor & 0xFFFF)) >=
236
8e2fc535b210 Support for half-float attribute arrays.
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   325
             ((major << 16) | (minor & 0xFFFF)) )
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   326
            return 1;
8e2fc535b210 Support for half-float attribute arrays.
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diff changeset
   327
    } // if
229
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diff changeset
   328
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   329
    // Not available in the GL version, check the extension list.
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diff changeset
   330
    const char *ptr = strstr(extlist, ext);
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diff changeset
   331
    if (ptr == NULL)
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diff changeset
   332
        return 0;
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diff changeset
   333
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   334
    const char endchar = ptr[strlen(ext)];
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   335
    if ((endchar == '\0') || (endchar == ' '))
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   336
        return 1;  // extension is in the list.
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diff changeset
   337
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   338
    return 0;  // just not supported, fail.
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diff changeset
   339
} // verify_extension
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diff changeset
   340
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diff changeset
   341
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   342
static void parse_opengl_version(const char *verstr)
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   343
{
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   344
    if (verstr == NULL)
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   345
        ctx->opengl_major = ctx->opengl_minor = 0;
229
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diff changeset
   346
    else
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   347
        sscanf(verstr, "%d.%d", &ctx->opengl_major, &ctx->opengl_minor);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   348
} // parse_opengl_version
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diff changeset
   349
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   350
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   351
static void load_extensions(void *(*lookup)(const char *fnname))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   352
{
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   353
    const char *extlist = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   354
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   355
    ctx->have_base_opengl = 1;
323
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   356
    ctx->have_GL_ARB_vertex_program = 1;
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   357
    ctx->have_GL_ARB_fragment_program = 1;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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parents: 236
diff changeset
   358
    ctx->have_GL_ARB_shader_objects = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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parents: 236
diff changeset
   359
    ctx->have_GL_ARB_vertex_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   360
    ctx->have_GL_ARB_fragment_shader = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   361
    ctx->have_GL_ARB_shading_language_100 = 1;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   362
    ctx->have_GL_NV_half_float = 1;
229
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diff changeset
   363
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   364
    lookup_entry_points(lookup);
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   365
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   366
    if (!ctx->have_base_opengl)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   367
        set_error("missing basic OpenGL entry points");
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   368
    else
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   369
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   370
        parse_opengl_version((const char *) ctx->glGetString(GL_VERSION));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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parents: 255
diff changeset
   371
        extlist = (const char *) ctx->glGetString(GL_EXTENSIONS);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
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diff changeset
   372
    } // else
229
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diff changeset
   373
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   374
    if (extlist == NULL)
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   375
        extlist = "";  // just in case.
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diff changeset
   376
67a3d459d865 OpenGL extension lookup and entry point loading.
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diff changeset
   377
    #define VERIFY_EXT(ext, major, minor) \
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
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diff changeset
   378
        ctx->have_##ext = verify_extension(#ext, ctx->have_##ext, extlist, major, minor)
229
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diff changeset
   379
323
b60c88ec8182 Initial work on ARB1 profile.
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diff changeset
   380
    VERIFY_EXT(GL_ARB_vertex_program, -1, -1);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   381
    VERIFY_EXT(GL_ARB_fragment_program, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   382
    VERIFY_EXT(GL_ARB_shader_objects, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   383
    VERIFY_EXT(GL_ARB_vertex_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   384
    VERIFY_EXT(GL_ARB_fragment_shader, 2, 0);
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   385
    VERIFY_EXT(GL_ARB_shading_language_100, 2, 0);
236
8e2fc535b210 Support for half-float attribute arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 230
diff changeset
   386
    VERIFY_EXT(GL_NV_half_float, -1, -1);
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   387
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   388
    #undef VERIFY_EXT
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   389
} // load_extensions
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   390
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   391
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   392
static int valid_profile(const char *profile)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   393
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   394
    if (!ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   395
        return 0;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   396
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   397
    #define MUST_HAVE(p, x) \
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   398
        if (!ctx->have_##x) { set_error(#p " profile needs " #x); return 0; }
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   399
291
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   400
    if (profile == NULL)
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   401
    {
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   402
        set_error("NULL profile");
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   403
        return 0;
2453590bae1b Fix/disable annoying Visual C++ level 4 warnings.
Ryan C. Gordon <icculus@icculus.org>
parents: 285
diff changeset
   404
    } // if
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   405
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   406
    #if SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   407
    else if (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   408
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   409
        MUST_HAVE(MOJOSHADER_PROFILE_ARB1, GL_ARB_vertex_program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   410
        MUST_HAVE(MOJOSHADER_PROFILE_ARB1, GL_ARB_fragment_program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   411
    } // else if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   412
    #endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   413
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   414
    #if SUPPORT_PROFILE_GLSL
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   415
    else if (strcmp(profile, MOJOSHADER_PROFILE_GLSL) == 0)
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   416
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   417
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shader_objects);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   418
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_vertex_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   419
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_fragment_shader);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   420
        MUST_HAVE(MOJOSHADER_PROFILE_GLSL, GL_ARB_shading_language_100);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   421
    } // else if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   422
    #endif
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   423
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   424
    else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   425
    {
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   426
        set_error("unknown or unsupported profile");
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   427
        return 0;
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   428
    } // else
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   429
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   430
    #undef MUST_HAVE
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   431
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   432
    return 1;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   433
} // valid_profile
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   434
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   435
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   436
const char *MOJOSHADER_glBestProfile(void *(*lookup)(const char *fnname))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   437
{
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   438
    const char *retval = NULL;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   439
    MOJOSHADER_glContext _ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   440
    MOJOSHADER_glContext *current_ctx = ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   441
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   442
    ctx = &_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   443
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   444
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   445
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   446
    if (ctx->have_base_opengl)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   447
    {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   448
        static const char *priority[] = {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   449
            MOJOSHADER_PROFILE_GLSL,
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   450
            MOJOSHADER_PROFILE_ARB1,
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   451
        };
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   452
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   453
        int i;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   454
        for (i = 0; i < STATICARRAYLEN(priority); i++)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   455
        {
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   456
            // !!! FIXME: if Mac OS X <= 10.4, don't ever pick GLSL, even if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   457
            // !!! FIXME:  the system claims it is available.
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   458
            if (valid_profile(priority[i]))
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   459
            {
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   460
                retval = priority[i];
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   461
                break;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   462
            } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   463
        } // for
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   464
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   465
        if (retval == NULL)
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   466
            set_error("no profiles available");
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   467
    } // if
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   468
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   469
    ctx = current_ctx;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   470
    return retval;
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   471
} // MOJOSHADER_glBestProfile
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   472
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   473
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   474
MOJOSHADER_glContext *MOJOSHADER_glCreateContext(const char *profile,
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   475
                                        void *(*lookup)(const char *fnname),
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   476
                                        MOJOSHADER_malloc m, MOJOSHADER_free f,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   477
                                        void *d)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
{
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   479
    MOJOSHADER_glContext *retval = NULL;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   480
    MOJOSHADER_glContext *current_ctx = ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   481
    ctx = NULL;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   482
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   483
    if (m == NULL) m = internal_malloc;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   484
    if (f == NULL) f = internal_free;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   485
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   486
    ctx = (MOJOSHADER_glContext *) m(sizeof (MOJOSHADER_glContext), d);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   487
    if (ctx == NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   488
    {
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   489
        set_error("out of memory");
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   490
        goto init_fail;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   491
    } // if
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   492
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   493
    memset(ctx, '\0', sizeof (MOJOSHADER_glContext));
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   494
    ctx->malloc_fn = m;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   495
    ctx->free_fn = f;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   496
    ctx->malloc_data = d;
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   497
    snprintf(ctx->profile, sizeof (ctx->profile), "%s", profile);
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   498
262
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   499
    load_extensions(lookup);
0f1531ac2578 Implemented MOJOSHADER_glBestProfile().
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   500
    if (!valid_profile(profile))
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   501
        goto init_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
    MOJOSHADER_glBindProgram(NULL);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   504
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   505
    // !!! FIXME: generalize this part.
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   506
    if (profile == NULL) {}
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   507
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   508
#if SUPPORT_PROFILE_GLSL
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   509
    else if (strcmp(profile, MOJOSHADER_PROFILE_GLSL) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   510
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   511
        ctx->profileMaxUniforms = impl_GLSL_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   512
        ctx->profileCompileShader = impl_GLSL_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   513
        ctx->profileDeleteShader = impl_GLSL_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   514
        ctx->profileDeleteProgram = impl_GLSL_DeleteProgram;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   515
        ctx->profileGetUniformLocation = impl_GLSL_GetUniformLocation;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   516
        ctx->profileLinkProgram = impl_GLSL_LinkProgram;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   517
        ctx->profileUseProgramObject = impl_GLSL_UseProgramObject;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   518
        ctx->profileUniform4fv = impl_GLSL_Uniform4fv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   519
        ctx->profileUniform4iv = impl_GLSL_Uniform4iv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   520
        ctx->profileUniform1i = impl_GLSL_Uniform1i;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   521
        ctx->profileSetSampler = impl_GLSL_SetSampler;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   522
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   523
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   524
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   525
#if SUPPORT_PROFILE_ARB1
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   526
    else if (strcmp(profile, MOJOSHADER_PROFILE_ARB1) == 0)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   527
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   528
        ctx->profileMaxUniforms = impl_ARB1_MaxUniforms;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   529
        ctx->profileCompileShader = impl_ARB1_CompileShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   530
        ctx->profileDeleteShader = impl_ARB1_DeleteShader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   531
        ctx->profileDeleteProgram = impl_ARB1_DeleteProgram;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   532
        ctx->profileGetUniformLocation = impl_ARB1_GetUniformLocation;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   533
        ctx->profileLinkProgram = impl_ARB1_LinkProgram;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   534
        ctx->profileUseProgramObject = impl_ARB1_UseProgramObject;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   535
        ctx->profileUniform4fv = impl_ARB1_Uniform4fv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   536
        ctx->profileUniform4iv = impl_ARB1_Uniform4iv;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   537
        ctx->profileUniform1i = impl_ARB1_Uniform1i;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   538
        ctx->profileSetSampler = impl_ARB1_SetSampler;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   539
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   540
#endif
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   541
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   542
    assert(ctx->profileMaxUniforms != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   543
    assert(ctx->profileCompileShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   544
    assert(ctx->profileDeleteShader != NULL);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   545
    assert(ctx->profileDeleteProgram != NULL);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   546
    assert(ctx->profileMaxUniforms != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   547
    assert(ctx->profileCompileShader != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   548
    assert(ctx->profileDeleteShader != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   549
    assert(ctx->profileDeleteProgram != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   550
    assert(ctx->profileGetUniformLocation != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   551
    assert(ctx->profileLinkProgram != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   552
    assert(ctx->profileUseProgramObject != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   553
    assert(ctx->profileUniform4fv != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   554
    assert(ctx->profileUniform4iv != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   555
    assert(ctx->profileUniform1i != NULL);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   556
    assert(ctx->profileSetSampler != NULL);
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   557
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
   558
    retval = ctx;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   559
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   560
    return retval;
229
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   561
67a3d459d865 OpenGL extension lookup and entry point loading.
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
   562
init_fail:
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   563
    if (ctx != NULL)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   564
        f(ctx, d);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   565
    ctx = current_ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   566
    return NULL;
238
e98f14da2897 Renamed glInit and glDeinit to glCreateContext and glDestroyContext.
Ryan C. Gordon <icculus@icculus.org>
parents: 237
diff changeset
   567
} // MOJOSHADER_glCreateContext
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   568
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   569
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   570
void MOJOSHADER_glMakeContextCurrent(MOJOSHADER_glContext *_ctx)
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   571
{
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   572
    ctx = _ctx;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   573
} // MOJOSHADER_glMakeContextCurrent
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   574
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   575
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   576
static int impl_GLSL_MaxUniforms(MOJOSHADER_shaderType shader_type)
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   577
{
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   578
    GLenum pname = GL_NONE;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   579
    GLint val = 0;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   580
    if (shader_type == MOJOSHADER_TYPE_VERTEX)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   581
        pname = GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   582
    else if (shader_type == MOJOSHADER_TYPE_PIXEL)
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   583
        pname = GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   584
    else
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   585
        return -1;
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   586
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   587
    ctx->glGetIntegerv(pname, &val);
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   588
    return (int) val;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   589
} // impl_GLSL_MaxUniforms
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   590
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   591
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   592
static int impl_ARB1_MaxUniforms(MOJOSHADER_shaderType shader_type)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   593
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   594
    GLint retval = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   595
    GLenum program_type = GL_NONE;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   596
    if (shader_type == MOJOSHADER_TYPE_VERTEX)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   597
        program_type = GL_VERTEX_PROGRAM_ARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   598
    else if (shader_type == MOJOSHADER_TYPE_PIXEL)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   599
        program_type = GL_FRAGMENT_PROGRAM_ARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   600
    else
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   601
        return -1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   602
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   603
    ctx->glGetProgramivARB(program_type, GL_MAX_PROGRAM_PARAMETERS_ARB, &retval);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   604
    return (int) retval;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   605
} // impl_ARB1_MaxUniforms
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   606
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   607
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   608
int MOJOSHADER_glMaxUniforms(MOJOSHADER_shaderType shader_type)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   609
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   610
    return ctx->profileMaxUniforms(shader_type);
276
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   611
} // MOJOSHADER_glMaxUniforms
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   612
1d7437469c94 Added MOJOSHADER_glMaxUniforms().
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
   613
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   614
static int impl_GLSL_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   615
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   616
    GLint ok = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   617
    GLint shaderlen = (GLint) pd->output_len;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   618
    const GLenum shader_type = (pd->shader_type == MOJOSHADER_TYPE_PIXEL) ? GL_FRAGMENT_SHADER : GL_VERTEX_SHADER;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   619
    GLuint shader = ctx->glCreateShaderObject(shader_type);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   620
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   621
    ctx->glShaderSource(shader, 1, (const GLchar **) &pd->output, &shaderlen);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   622
    ctx->glCompileShader(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   623
    ctx->glGetObjectParameteriv(shader, GL_OBJECT_COMPILE_STATUS_ARB, &ok);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   624
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   625
    if (!ok)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   626
    {
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   627
        GLsizei len = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   628
        ctx->glGetInfoLog(shader, sizeof (error_buffer), &len,
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   629
                          (GLchar *) error_buffer);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   630
        *s = 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   631
        return 0;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   632
    } // if
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   633
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   634
    *s = shader;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   635
    return 1;
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   636
} // impl_GLSL_CompileShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   637
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   638
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   639
static int impl_ARB1_CompileShader(const MOJOSHADER_parseData *pd, GLuint *s)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   640
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   641
    GLint shaderlen = (GLint) pd->output_len;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   642
    const GLenum shader_type = (pd->shader_type == MOJOSHADER_TYPE_PIXEL) ? GL_FRAGMENT_PROGRAM_ARB : GL_VERTEX_PROGRAM_ARB;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   643
    GLuint shader = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   644
    ctx->glGenProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   645
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   646
    ctx->glGetError();  // flush any existing error state.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   647
    ctx->glBindProgramARB(shader_type, shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   648
    ctx->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   649
                            shaderlen, pd->output);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   650
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   651
    if (ctx->glGetError() == GL_INVALID_OPERATION)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   652
    { 
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   653
        GLint pos = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   654
        ctx->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   655
        const GLubyte *errstr = ctx->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   656
        snprintf(error_buffer, sizeof (error_buffer),
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   657
                  "ARB1 compile error at position %d: %s",
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   658
                  (int) pos, (const char *) errstr);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   659
        ctx->glBindProgramARB(shader_type, 0);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   660
        ctx->glDeleteProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   661
        *s = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   662
        return 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   663
    } // if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   664
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   665
    *s = shader;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   666
    return 1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   667
} // impl_ARB1_CompileShader
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   668
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   669
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   670
static void impl_GLSL_DeleteShader(const GLuint shader)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   671
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   672
    ctx->glDeleteObject(shader);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   673
} // impl_GLSL_DeleteShader
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   674
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   675
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   676
static void impl_ARB1_DeleteShader(const GLuint _shader)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   677
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   678
    GLuint shader = _shader;  // const removal.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   679
    ctx->glDeleteProgramsARB(1, &shader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   680
} // impl_ARB1_DeleteShader
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   681
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   682
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   683
static void impl_GLSL_DeleteProgram(const GLuint program)
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   684
{
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   685
    ctx->glDeleteObject(program);
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   686
} // impl_GLSL_DeleteProgram
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   687
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   688
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   689
static void impl_ARB1_DeleteProgram(const GLuint program)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   690
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   691
    // no-op. ARB1 doesn't have real linked programs.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   692
} // impl_GLSL_DeleteProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   693
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   694
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   695
MOJOSHADER_glShader *MOJOSHADER_glCompileShader(const unsigned char *tokenbuf,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   696
                                                const unsigned int bufsize)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   697
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   698
    MOJOSHADER_glShader *retval = NULL;
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   699
    GLuint shader = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   700
    const MOJOSHADER_parseData *pd = MOJOSHADER_parse(ctx->profile, tokenbuf,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   701
                                                      bufsize, ctx->malloc_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   702
                                                      ctx->free_fn,
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   703
                                                      ctx->malloc_data);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   704
    if (pd->error != NULL)
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   705
    {
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   706
        set_error(pd->error);
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   707
        goto compile_shader_fail;
219
61167fc96790 Added MOJOSHADER_glGetError() function, filled in error state.
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
   708
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   709
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   710
    retval = (MOJOSHADER_glShader *) Malloc(sizeof (MOJOSHADER_glShader));
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   711
    if (retval == NULL)
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   712
        goto compile_shader_fail;
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   713
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   714
    if (!ctx->profileCompileShader(pd, &shader))
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   715
        goto compile_shader_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   716
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   717
    retval->parseData = pd;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   718
    retval->handle = shader;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   719
    retval->refcount = 1;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   720
    return retval;
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   721
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   722
compile_shader_fail:
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   723
    MOJOSHADER_freeParseData(pd);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   724
    Free(retval);
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   725
    if (shader != 0)
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   726
        ctx->profileDeleteShader(shader);
207
d9cee469e080 Cleaned up GLSL shader compile code with some gotos.
Ryan C. Gordon <icculus@icculus.org>
parents: 206
diff changeset
   727
    return NULL;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   728
} // MOJOSHADER_glCompileShader
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   729
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   730
245
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   731
const MOJOSHADER_parseData *MOJOSHADER_glGetShaderParseData(
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   732
                                                MOJOSHADER_glShader *shader)
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   733
{
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   734
    return (shader != NULL) ? shader->parseData : NULL;
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   735
} // MOJOSHADER_glGetShaderParseData
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   736
1f04b805a4f2 Added MOJOSHADER_glGetShaderParseData().
Ryan C. Gordon <icculus@icculus.org>
parents: 243
diff changeset
   737
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   738
static void shader_unref(MOJOSHADER_glShader *shader)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   739
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   740
    if (shader != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   741
    {
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   742
        const uint32 refcount = shader->refcount;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   743
        if (refcount > 1)
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   744
            shader->refcount--;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   745
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   746
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   747
            ctx->profileDeleteShader(shader->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   748
            MOJOSHADER_freeParseData(shader->parseData);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   749
            Free(shader);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   750
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   751
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   752
} // shader_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   753
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   754
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   755
static void program_unref(MOJOSHADER_glProgram *program)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   756
{
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   757
    if (program != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   758
    {
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   759
        const uint32 refcount = program->refcount;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   760
        if (refcount > 1)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   761
            program->refcount--;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   762
        else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   763
        {
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   764
            ctx->profileDeleteProgram(program->handle);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   765
            shader_unref(program->vertex);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   766
            shader_unref(program->fragment);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   767
            Free(program->constants);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   768
            Free(program->samplers);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   769
            Free(program->uniforms);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   770
            Free(program->attributes);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   771
            Free(program);
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   772
        } // else
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   773
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   774
} // program_unref
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   775
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   776
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   777
static GLint impl_GLSL_GetUniformLocation(GLuint handle,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   778
                                       const MOJOSHADER_parseData *pd, int idx)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   779
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   780
    return ctx->glGetUniformLocation(handle, pd->uniforms[idx].name);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   781
} // impl_GLSL_GetUniformLocation
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   782
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   783
static GLint impl_ARB1_GetUniformLocation(GLuint handle,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   784
                                       const MOJOSHADER_parseData *pd, int idx)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   785
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   786
    // !!! FIXME: this only works if you have no bool or int uniforms.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   787
    return idx;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   788
} // impl_ARB1_GetUniformLocation
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   789
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   790
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   791
static void lookup_uniforms(MOJOSHADER_glProgram *program,
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   792
                            MOJOSHADER_glShader *shader)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   793
{
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   794
    const MOJOSHADER_parseData *pd = shader->parseData;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   795
    const MOJOSHADER_uniform *u = pd->uniforms;
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   796
    const MOJOSHADER_shaderType shader_type = pd->shader_type;
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   797
    const GLuint handle = program->handle;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   798
    int i;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   799
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   800
    for (i = 0; i < pd->uniform_count; i++)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   801
    {
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   802
        const GLint loc = ctx->profileGetUniformLocation(handle, pd, i);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   803
        if (loc != -1)  // maybe the Uniform was optimized out?
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   804
        {
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   805
            UniformMap *map = &program->uniforms[program->uniform_count];
206
7027d889acdd Implemented MOJOSHADER_glProgramReady().
Ryan C. Gordon <icculus@icculus.org>
parents: 205
diff changeset
   806
            map->shader_type = shader_type;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   807
            map->uniform = &u[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   808
            map->location = (GLuint) loc;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   809
            program->uniform_count++;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   810
        } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   811
    } // for
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   812
} // lookup_uniforms
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   813
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   814
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   815
static void lookup_samplers(MOJOSHADER_glProgram *program,
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   816
                            MOJOSHADER_glShader *shader)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   817
{
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   818
    int i;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   819
    const MOJOSHADER_parseData *pd = shader->parseData;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   820
    const MOJOSHADER_sampler *s = pd->samplers;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   821
    const MOJOSHADER_shaderType shader_type = pd->shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   822
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   823
    for (i = 0; i < pd->sampler_count; i++)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   824
    {
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   825
        const GLint loc = ctx->glGetUniformLocation(program->handle, s[i].name);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   826
        if (loc != -1)  // maybe the Sampler was optimized out?
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   827
        {
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   828
            SamplerMap *map = &program->samplers[program->sampler_count];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   829
            map->shader_type = shader_type;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   830
            map->sampler = &s[i];
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   831
            map->location = (GLuint) loc;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   832
            program->sampler_count++;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   833
        } // if
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   834
    } // for
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   835
} // lookup_samplers
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   836
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   837
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   838
static void lookup_attributes(MOJOSHADER_glProgram *program)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   839
{
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   840
    int i;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   841
    const MOJOSHADER_parseData *pd = program->vertex->parseData;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
   842
    const MOJOSHADER_attribute *a = pd->attributes;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   843
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   844
    for (i = 0; i < pd->attribute_count; i++)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   845
    {
321
d7fb4ccecf0b Fixed incorrect vertex shader attribute location lookup.
Ryan C. Gordon <icculus@icculus.org>
parents: 313
diff changeset
   846
        const GLint loc = ctx->glGetAttribLocation(program->handle, a[i].name);
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   847
        if (loc != -1)  // maybe the Attribute was optimized out?
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   848
        {
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   849
            AttributeMap *map = &program->attributes[program->attribute_count];
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   850
            map->attribute = &a[i];
215
f2e508f08997 Fixed wrong type for uniform/attribute locations.
Ryan C. Gordon <icculus@icculus.org>
parents: 213
diff changeset
   851
            map->location = (GLuint) loc;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   852
            program->attribute_count++;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   853
        } // if
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   854
    } // for
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   855
} // lookup_attributes
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   856
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   857
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   858
static GLuint impl_GLSL_LinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   859
                                    MOJOSHADER_glShader *pshader)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   860
{
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
   861
    const GLuint program = ctx->glCreateProgramObject();
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   862
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   863
    if (vshader != NULL) ctx->glAttachObject(program, vshader->handle);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   864
    if (pshader != NULL) ctx->glAttachObject(program, pshader->handle);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   865
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   866
    ctx->glLinkProgram(program);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   867
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   868
    GLint ok = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   869
    ctx->glGetObjectParameteriv(program, GL_OBJECT_LINK_STATUS_ARB, &ok);
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   870
    if (!ok)
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   871
    {
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   872
        GLsizei len = 0;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
   873
        ctx->glGetInfoLog(program, sizeof (error_buffer), &len, (GLchar *) error_buffer);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   874
        ctx->glDeleteObject(program);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   875
        return 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   876
    } // if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   877
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   878
    return program;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   879
} // impl_GLSL_LinkProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   880
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   881
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   882
static GLuint impl_ARB1_LinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   883
                                    MOJOSHADER_glShader *pshader)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   884
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   885
    // there is no formal linking in ARB1...just return a unique value.
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   886
    static GLuint retval = 1;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   887
    return retval++;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   888
} // impl_ARB1_LinkProgram
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   889
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   890
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   891
MOJOSHADER_glProgram *MOJOSHADER_glLinkProgram(MOJOSHADER_glShader *vshader,
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   892
                                               MOJOSHADER_glShader *pshader)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   893
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   894
    if ((vshader == NULL) && (pshader == NULL))
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   895
        return NULL;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   896
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   897
    int numregs = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   898
    int consts = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   899
    MOJOSHADER_glProgram *retval = NULL;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   900
    const GLuint program = ctx->profileLinkProgram(vshader, pshader);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   901
    if (program == 0)
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   902
        goto link_program_fail;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   903
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   904
    retval = (MOJOSHADER_glProgram *) Malloc(sizeof (MOJOSHADER_glProgram));
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   905
    if (retval == NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   906
        goto link_program_fail;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   907
    memset(retval, '\0', sizeof (MOJOSHADER_glProgram));
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   908
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   909
    numregs = 0;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   910
    if (vshader != NULL) numregs += vshader->parseData->uniform_count;
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   911
    if (pshader != NULL) numregs += pshader->parseData->uniform_count;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   912
    retval->uniforms = (UniformMap *) Malloc(sizeof (UniformMap) * numregs);
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   913
    if (retval->uniforms == NULL)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   914
        goto link_program_fail;
209
2bd25adf2d3a Finished implementing MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 208
diff changeset
   915
    memset(retval->uniforms, '\0', sizeof (UniformMap) * numregs);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   916
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   917
    numregs = 0;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   918
    if (vshader != NULL) numregs += vshader->parseData->sampler_count;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   919
    if (pshader != NULL) numregs += pshader->parseData->sampler_count;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   920
    retval->samplers = (SamplerMap *) Malloc(sizeof (SamplerMap) * numregs);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   921
    if (retval->samplers == NULL)
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   922
        goto link_program_fail;
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   923
    memset(retval->samplers, '\0', sizeof (SamplerMap) * numregs);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   924
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   925
    retval->handle = program;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   926
    retval->vertex = vshader;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   927
    retval->fragment = pshader;
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   928
    retval->refcount = 1;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   929
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   930
    if (vshader != NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   931
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   932
        if (consts < vshader->parseData->constant_count)
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   933
            consts = vshader->parseData->constant_count;
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   934
        retval->attributes = (AttributeMap *) Malloc(sizeof (AttributeMap) *
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   935
                                        vshader->parseData->attribute_count);
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   936
        if (retval->attributes == NULL)
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   937
            goto link_program_fail;
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   938
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   939
        lookup_attributes(retval);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   940
        lookup_uniforms(retval, vshader);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   941
        lookup_samplers(retval, vshader);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   942
        vshader->refcount++;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   943
    } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   944
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   945
    if (pshader != NULL)
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   946
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   947
        if (consts < pshader->parseData->constant_count)
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   948
            consts = pshader->parseData->constant_count;
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   949
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   950
        lookup_uniforms(retval, pshader);
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   951
        lookup_samplers(retval, vshader);
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   952
        pshader->refcount++;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   953
    } // if
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   954
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   955
    if (consts > 0)    
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   956
    {
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   957
        retval->constants = (GLfloat *) Malloc(sizeof (GLfloat) * consts * 4);
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   958
        if (retval->constants == NULL)
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   959
            goto link_program_fail;
313
f5aa15de1690 Shrunk variable name to fit draconian 80-char standards.
Ryan C. Gordon <icculus@icculus.org>
parents: 312
diff changeset
   960
        retval->constant_count = (uint32) consts;
281
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   961
    } // if
cb0ee573a33d OpenGL glue now handles Uniform arrays.
Ryan C. Gordon <icculus@icculus.org>
parents: 277
diff changeset
   962
204
5055ac80916e A little more work on MOJOSHADER_glLinkProgram().
Ryan C. Gordon <icculus@icculus.org>
parents: 203
diff changeset
   963
    return retval;
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   964
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   965
link_program_fail:
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   966
    if (retval != NULL)
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   967
    {
284
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   968
        Free(retval->constants);
ea52f9707795 Sampler loading support in OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 281
diff changeset
   969
        Free(retval->samplers);
213
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   970
        Free(retval->uniforms);
73935330a973 Cache attribute locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 212
diff changeset
   971
        Free(retval->attributes);
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   972
        Free(retval);
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   973
    } // if
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   974
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   975
    if (program != 0)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   976
        ctx->profileDeleteProgram(program);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   977
205
8583f89985df Cache uniform locations for GLSL programs at link time.
Ryan C. Gordon <icculus@icculus.org>
parents: 204
diff changeset
   978
    return NULL;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   979
} // MOJOSHADER_glLinkProgram
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   980
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   981
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   982
static void impl_GLSL_UseProgramObject(MOJOSHADER_glProgram *program)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   983
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   984
    ctx->glUseProgramObject((program != NULL) ? program->handle : 0);
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   985
} // impl_GLSL_UseProgramObject
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   986
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   987
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   988
static void impl_ARB1_UseProgramObject(MOJOSHADER_glProgram *program)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   989
{
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   990
    GLuint vhandle = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   991
    GLuint phandle = 0;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   992
    if (program != NULL)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   993
    {
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   994
        if (program->vertex != NULL)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   995
            vhandle = program->vertex->handle;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   996
        if (program->fragment != NULL)
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   997
            phandle = program->fragment->handle;
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   998
    } // if
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
   999
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1000
    ctx->glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vhandle);
339
4b1e0c45a6b8 Fixed cut-and-paste error.
Ryan C. Gordon <icculus@icculus.org>
parents: 333
diff changeset
  1001
    ctx->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, phandle);
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1002
} // impl_GLSL_UseProgramObject
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1003
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1004
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1005
void MOJOSHADER_glBindProgram(MOJOSHADER_glProgram *program)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1006
{
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 321
diff changeset
  1007
    GLuint handle = 0;
226
4a2b3d0b535f Patched mojoshader_opengl.c to compile, mostly.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
  1008
    int i;
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1009
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1010
    if (program == ctx->bound_program)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1011
        return;  // nothing to do.
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1012
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1013
    // Disable any client-side arrays the current program could have used.
242
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1014
    // !!! FIXME: don't disable yet...see which ones get reused, and disable
c3c5693ba179 Fixed vertex attribute aliasing in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 241
diff changeset
  1015
    // !!! FIXME:  only what we don't need in MOJOSHADER_glProgramReady().
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1016
    if (ctx->bound_program != NULL)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1017
    {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1018
        const int count = ctx->bound_program->attribute_count;
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1019
        for (i = 0; i < count; i++)
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1020
        {
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1021
            const AttributeMap *map = &ctx->bound_program->attributes[i];
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1022
            ctx->glDisableVertexAttribArray(map->location);
223
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1023
        } // if
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1024
    } // for
8df4e9545c87 Disable any enabled client-side arrays when binding a new shader.
Ryan C. Gordon <icculus@icculus.org>
parents: 222
diff changeset
  1025
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1026
    if (program != NULL)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1027
    {
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1028
        handle = program->handle;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1029
        program->refcount++;
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1030
    } // if
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1031
333
2b36a1d72fa1 Wrote most of the arb1 OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 323
diff changeset
  1032
    ctx->profileUseProgramObject(program);
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1033
    program_unref(ctx->bound_program);
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1034
    ctx->bound_program = program;
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1035
} // MOJOSHADER_glBindProgram
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1036
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1037
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1038
static inline uint minuint(const uint a, const uint b)
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1039
{
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1040
    return ((a < b) ? a : b);
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1041
} // minuint
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1042
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1043
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1044
void MOJOSHADER_glSetVertexShaderUniformF(unsigned int idx, const float *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1045
                                          unsigned int vec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1046
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1047
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1048
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1049
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
  1050
        assert(sizeof (GLfloat) == sizeof (float));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1051
        const uint cpy = (minuint(maxregs - idx, vec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1052
        memcpy(ctx->vs_reg_file_f + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1053
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1054
} // MOJOSHADER_glSetVertexShaderUniformF
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1055
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1056
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1057
void MOJOSHADER_glSetVertexShaderUniformI(unsigned int idx, const int *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1058
                                          unsigned int ivec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1059
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1060
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_i) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1061
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1062
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
  1063
        assert(sizeof (GLint) == sizeof (int));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1064
        const uint cpy = (minuint(maxregs - idx, ivec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1065
        memcpy(ctx->vs_reg_file_i + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1066
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1067
} // MOJOSHADER_glSetVertexShaderUniformI
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1068
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1069
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1070
void MOJOSHADER_glSetVertexShaderUniformB(unsigned int idx, const int *data,
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1071
                                          unsigned int bcount)
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1072
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1073
    const uint maxregs = STATICARRAYLEN(ctx->vs_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1074
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1075
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
  1076
        GLint *wptr = ctx->vs_reg_file_b + idx;
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1077
        GLint *endptr = wptr + minuint(maxregs - idx, bcount);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1078
        while (wptr != endptr)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1079
            *(wptr++) = *(data++) ? 1 : 0;
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1080
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1081
} // MOJOSHADER_glSetVertexShaderUniformB
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1082
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1083
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1084
void MOJOSHADER_glSetPixelShaderUniformF(unsigned int idx, const float *data,
212
76eeb43e054c Whitespace fix.
Ryan C. Gordon <icculus@icculus.org>
parents: 210
diff changeset
  1085
                                         unsigned int vec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1086
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1087
    const uint maxregs = STATICARRAYLEN(ctx->ps_reg_file_f) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1088
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1089
    {
249
7f928921766c Cleanups for building as C++ code.
Ryan C. Gordon <icculus@icculus.org>
parents: 246
diff changeset
  1090
        assert(sizeof (GLfloat) == sizeof (float));
255
796394130035 Fixed logic bug in uniform setting.
Ryan C. Gordon <icculus@icculus.org>
parents: 254
diff changeset
  1091
        const uint cpy = (minuint(maxregs - idx, vec4n) * sizeof (*data)) * 4;
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1092
        memcpy(ctx->ps_reg_file_f + (idx * 4), data, cpy);
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1093
    } // if
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1094
} // MOJOSHADER_glSetPixelShaderUniformF
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1095
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1096
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1097
void MOJOSHADER_glSetPixelShaderUniformI(unsigned int idx, const int *data,
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1098
                                         unsigned int ivec4n)
202
20bdf2d7036e Initial add of mojoshader_opengl.c
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1099
{
237
09f35dfc1d7e OpenGL glue now allows for multiple contexts.
Ryan C. Gordon <icculus@icculus.org>
parents: 236
diff changeset
  1100
    const uint maxregs = STATICARRAYLEN(ctx->ps_reg_file_i) / 4;
203
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202
diff changeset
  1101
    if (idx < maxregs)
ff983e373e37 Implemented uniform array setting in OpenGL glue code.
Ryan C. Gordon <icculus@icculus.org>
parents: 202