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OpenGL2: Add new GL function loader.

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SmileTheory 2016-07-25 06:30:25 -07:00
parent 251c983681
commit f0086e8c2a
2 changed files with 77 additions and 141 deletions
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103
code/renderercommon/qgl.h
View file

@ -377,59 +377,74 @@ extern void (APIENTRYP qglUnlockArraysEXT) (void);
#define qglVertexPointer glVertexPointer #define qglVertexPointer glVertexPointer
#define qglViewport glViewport #define qglViewport glViewport
// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
// OpenGL 1.2, was GL_EXT_draw_range_elements // OpenGL 1.2, was GL_EXT_draw_range_elements
extern void (APIENTRY * qglDrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices); #define QGL_1_2_PROCS \
GLE(void, DrawRangeElements, GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices) \
// OpenGL 1.3, was GL_ARB_texture_compression // OpenGL 1.3, was GL_ARB_texture_compression
extern void (APIENTRY * qglCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data); #define QGL_1_3_PROCS \
extern void (APIENTRY * qglCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data); GLE(void, CompressedTexImage2D, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data) \
GLE(void, CompressedTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data) \
// OpenGL 1.4, was GL_EXT_multi_draw_arrays // OpenGL 1.4, was GL_EXT_multi_draw_arrays
extern void (APIENTRY * qglMultiDrawElements) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount); #define QGL_1_4_PROCS \
GLE(void, MultiDrawElements, GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) \
// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query // OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
extern void (APIENTRY * qglGenQueries) (GLsizei n, GLuint *ids); #define QGL_1_5_PROCS \
extern void (APIENTRY * qglDeleteQueries) (GLsizei n, const GLuint *ids); GLE(void, GenQueries, GLsizei n, GLuint *ids) \
extern void (APIENTRY * qglBeginQuery) (GLenum target, GLuint id); GLE(void, DeleteQueries, GLsizei n, const GLuint *ids) \
extern void (APIENTRY * qglEndQuery) (GLenum target); GLE(void, BeginQuery, GLenum target, GLuint id) \
extern void (APIENTRY * qglGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params); GLE(void, EndQuery, GLenum target) \
extern void (APIENTRY * qglGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params); GLE(void, GetQueryObjectiv, GLuint id, GLenum pname, GLint *params) \
extern void (APIENTRY * qglBindBuffer) (GLenum target, GLuint buffer); GLE(void, GetQueryObjectuiv, GLuint id, GLenum pname, GLuint *params) \
extern void (APIENTRY * qglDeleteBuffers) (GLsizei n, const GLuint *buffers); GLE(void, BindBuffer, GLenum target, GLuint buffer) \
extern void (APIENTRY * qglGenBuffers) (GLsizei n, GLuint *buffers); GLE(void, DeleteBuffers, GLsizei n, const GLuint *buffers) \
extern void (APIENTRY * qglBufferData) (GLenum target, GLsizeiptr size, const void *data, GLenum usage); GLE(void, GenBuffers, GLsizei n, GLuint *buffers) \
extern void (APIENTRY * qglBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data); GLE(void, BufferData, GLenum target, GLsizeiptr size, const void *data, GLenum usage) \
GLE(void, BufferSubData, GLenum target, GLintptr offset, GLsizeiptr size, const void *data) \
// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader // OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
extern void (APIENTRY * qglAttachShader) (GLuint program, GLuint shader); #define QGL_2_0_PROCS \
extern void (APIENTRY * qglBindAttribLocation) (GLuint program, GLuint index, const GLchar *name); GLE(void, AttachShader, GLuint program, GLuint shader) \
extern void (APIENTRY * qglCompileShader) (GLuint shader); GLE(void, BindAttribLocation, GLuint program, GLuint index, const GLchar *name) \
extern GLuint (APIENTRY * qglCreateProgram) (void); GLE(void, CompileShader, GLuint shader) \
extern GLuint (APIENTRY * qglCreateShader) (GLenum type); GLE(GLuint, CreateProgram, void) \
extern void (APIENTRY * qglDeleteProgram) (GLuint program); GLE(GLuint, CreateShader, GLenum type) \
extern void (APIENTRY * qglDeleteShader) (GLuint shader); GLE(void, DeleteProgram, GLuint program) \
extern void (APIENTRY * qglDetachShader) (GLuint program, GLuint shader); GLE(void, DeleteShader, GLuint shader) \
extern void (APIENTRY * qglDisableVertexAttribArray) (GLuint index); GLE(void, DetachShader, GLuint program, GLuint shader) \
extern void (APIENTRY * qglEnableVertexAttribArray) (GLuint index); GLE(void, DisableVertexAttribArray, GLuint index) \
extern void (APIENTRY * qglGetActiveUniform) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); GLE(void, EnableVertexAttribArray, GLuint index) \
extern void (APIENTRY * qglGetProgramiv) (GLuint program, GLenum pname, GLint *params); GLE(void, GetActiveUniform, GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) \
extern void (APIENTRY * qglGetProgramInfoLog) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); GLE(void, GetProgramiv, GLuint program, GLenum pname, GLint *params) \
extern void (APIENTRY * qglGetShaderiv) (GLuint shader, GLenum pname, GLint *params); GLE(void, GetProgramInfoLog, GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
extern void (APIENTRY * qglGetShaderInfoLog) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); GLE(void, GetShaderiv, GLuint shader, GLenum pname, GLint *params) \
extern void (APIENTRY * qglGetShaderSource) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source); GLE(void, GetShaderInfoLog, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
extern GLint (APIENTRY * qglGetUniformLocation) (GLuint program, const GLchar *name); GLE(void, GetShaderSource, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source) \
extern void (APIENTRY * qglLinkProgram) (GLuint program); GLE(GLint, GetUniformLocation, GLuint program, const GLchar *name) \
extern void (APIENTRY * qglShaderSource) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length); GLE(void, LinkProgram, GLuint program) \
extern void (APIENTRY * qglUseProgram) (GLuint program); GLE(void, ShaderSource, GLuint shader, GLsizei count, const GLchar* *string, const GLint *length) \
extern void (APIENTRY * qglUniform1f) (GLint location, GLfloat v0); GLE(void, UseProgram, GLuint program) \
extern void (APIENTRY * qglUniform2f) (GLint location, GLfloat v0, GLfloat v1); GLE(void, Uniform1f, GLint location, GLfloat v0) \
extern void (APIENTRY * qglUniform3f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2); GLE(void, Uniform2f, GLint location, GLfloat v0, GLfloat v1) \
extern void (APIENTRY * qglUniform4f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); GLE(void, Uniform3f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2) \
extern void (APIENTRY * qglUniform1i) (GLint location, GLint v0); GLE(void, Uniform4f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) \
extern void (APIENTRY * qglUniform1fv) (GLint location, GLsizei count, const GLfloat *value); GLE(void, Uniform1i, GLint location, GLint v0) \
extern void (APIENTRY * qglUniformMatrix4fv) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); GLE(void, Uniform1fv, GLint location, GLsizei count, const GLfloat *value) \
extern void (APIENTRY * qglValidateProgram) (GLuint program); GLE(void, UniformMatrix4fv, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) \
extern void (APIENTRY * qglVertexAttribPointer) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer); GLE(void, ValidateProgram, GLuint program) \
GLE(void, VertexAttribPointer, GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer) \
#define GLE(ret, name, ...) typedef ret APIENTRY name##proc(__VA_ARGS__); extern name##proc * qgl##name;
QGL_1_2_PROCS
QGL_1_3_PROCS
QGL_1_4_PROCS
QGL_1_5_PROCS
QGL_2_0_PROCS
#undef GLE
// GL_NVX_gpu_memory_info // GL_NVX_gpu_memory_info
#ifndef GL_NVX_gpu_memory_info #ifndef GL_NVX_gpu_memory_info

115
code/renderergl2/tr_extensions.c
View file

@ -30,59 +30,13 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "tr_local.h" #include "tr_local.h"
#include "tr_dsa.h" #include "tr_dsa.h"
// OpenGL 1.2, was GL_EXT_draw_range_elements #define GLE(ret, name, ...) name##proc * qgl##name;
void (APIENTRY * qglDrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices); QGL_1_2_PROCS;
QGL_1_3_PROCS;
// OpenGL 1.3, was GL_ARB_texture_compression QGL_1_4_PROCS;
void (APIENTRY * qglCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data); QGL_1_5_PROCS;
void (APIENTRY * qglCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data); QGL_2_0_PROCS;
#undef GLE
// OpenGL 1.4, was GL_EXT_multi_draw_arrays
void (APIENTRY * qglMultiDrawElements) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
// OpenGL 1.5, previously GL_ARB_vertex_buffer_object
void (APIENTRY * qglGenQueries) (GLsizei n, GLuint *ids);
void (APIENTRY * qglDeleteQueries) (GLsizei n, const GLuint *ids);
void (APIENTRY * qglBeginQuery) (GLenum target, GLuint id);
void (APIENTRY * qglEndQuery) (GLenum target);
void (APIENTRY * qglGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params);
void (APIENTRY * qglGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params);
void (APIENTRY * qglBindBuffer) (GLenum target, GLuint buffer);
void (APIENTRY * qglDeleteBuffers) (GLsizei n, const GLuint *buffers);
void (APIENTRY * qglGenBuffers) (GLsizei n, GLuint *buffers);
void (APIENTRY * qglBufferData) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
void (APIENTRY * qglBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
// OpenGL 2.0, previously GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
void (APIENTRY * qglAttachShader) (GLuint program, GLuint shader);
void (APIENTRY * qglBindAttribLocation) (GLuint program, GLuint index, const GLchar *name);
void (APIENTRY * qglCompileShader) (GLuint shader);
GLuint(APIENTRY * qglCreateProgram) (void);
GLuint(APIENTRY * qglCreateShader) (GLenum type);
void (APIENTRY * qglDeleteProgram) (GLuint program);
void (APIENTRY * qglDeleteShader) (GLuint shader);
void (APIENTRY * qglDetachShader) (GLuint program, GLuint shader);
void (APIENTRY * qglDisableVertexAttribArray) (GLuint index);
void (APIENTRY * qglEnableVertexAttribArray) (GLuint index);
void (APIENTRY * qglGetActiveUniform) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
void (APIENTRY * qglGetProgramiv) (GLuint program, GLenum pname, GLint *params);
void (APIENTRY * qglGetProgramInfoLog) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
void (APIENTRY * qglGetShaderiv) (GLuint shader, GLenum pname, GLint *params);
void (APIENTRY * qglGetShaderInfoLog) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
void (APIENTRY * qglGetShaderSource) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
GLint(APIENTRY * qglGetUniformLocation) (GLuint program, const GLchar *name);
void (APIENTRY * qglLinkProgram) (GLuint program);
void (APIENTRY * qglShaderSource) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
void (APIENTRY * qglUseProgram) (GLuint program);
void (APIENTRY * qglUniform1f) (GLint location, GLfloat v0);
void (APIENTRY * qglUniform2f) (GLint location, GLfloat v0, GLfloat v1);
void (APIENTRY * qglUniform3f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
void (APIENTRY * qglUniform4f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
void (APIENTRY * qglUniform1i) (GLint location, GLint v0);
void (APIENTRY * qglUniform1fv) (GLint location, GLsizei count, const GLfloat *value);
void (APIENTRY * qglUniformMatrix4fv) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
void (APIENTRY * qglValidateProgram) (GLuint program);
void (APIENTRY * qglVertexAttribPointer) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
// GL_EXT_framebuffer_object // GL_EXT_framebuffer_object
GLboolean (APIENTRY * qglIsRenderbufferEXT)(GLuint renderbuffer); GLboolean (APIENTRY * qglIsRenderbufferEXT)(GLuint renderbuffer);
@ -193,64 +147,31 @@ void GLimp_InitExtraExtensions()
ri.Error(ERR_FATAL, "OpenGL 2.0 required!"); ri.Error(ERR_FATAL, "OpenGL 2.0 required!");
ri.Printf(PRINT_ALL, "...using OpenGL %s\n", glConfig.version_string); ri.Printf(PRINT_ALL, "...using OpenGL %s\n", glConfig.version_string);
// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
#define GLE(ret, name, ...) qgl##name = (name##proc *) SDL_GL_GetProcAddress("gl" #name);
// OpenGL 1.2, was GL_EXT_draw_range_elements // OpenGL 1.2, was GL_EXT_draw_range_elements
qglDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)SDL_GL_GetProcAddress("glDrawRangeElements"); QGL_1_2_PROCS;
glRefConfig.drawRangeElements = r_ext_draw_range_elements->integer ? qtrue : qfalse; glRefConfig.drawRangeElements = r_ext_draw_range_elements->integer ? qtrue : qfalse;
ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glDrawRangeElements()"); ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glDrawRangeElements()");
// OpenGL 1.3, was GL_ARB_texture_compression // OpenGL 1.3, was GL_ARB_texture_compression
qglCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC) SDL_GL_GetProcAddress("glCompressedTexImage2D"); QGL_1_3_PROCS;
qglCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) SDL_GL_GetProcAddress("qglCompressedTexSubImage2D");
// OpenGL 1.4, was GL_EXT_multi_draw_arrays // OpenGL 1.4, was GL_EXT_multi_draw_arrays
qglMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)SDL_GL_GetProcAddress("glMultiDrawElements"); QGL_1_4_PROCS;
glRefConfig.drawRangeElements = r_ext_multi_draw_arrays->integer ? qtrue : qfalse; glRefConfig.drawRangeElements = r_ext_multi_draw_arrays->integer ? qtrue : qfalse;
ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glMultiDrawElements()"); ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glMultiDrawElements()");
// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query // OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
qglGenQueries = (PFNGLGENQUERIESPROC) SDL_GL_GetProcAddress("glGenQueries"); QGL_1_5_PROCS;
qglDeleteQueries = (PFNGLDELETEQUERIESPROC) SDL_GL_GetProcAddress("glDeleteQueries");
qglBeginQuery = (PFNGLBEGINQUERYPROC) SDL_GL_GetProcAddress("glBeginQuery");
qglEndQuery = (PFNGLENDQUERYPROC) SDL_GL_GetProcAddress("glEndQuery");
qglGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC) SDL_GL_GetProcAddress("glGetQueryObjectiv");
qglGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC) SDL_GL_GetProcAddress("glGetQueryObjectuiv");
qglBindBuffer = (PFNGLBINDBUFFERPROC) SDL_GL_GetProcAddress("glBindBuffer");
qglDeleteBuffers = (PFNGLDELETEBUFFERSPROC) SDL_GL_GetProcAddress("glDeleteBuffers");
qglGenBuffers = (PFNGLGENBUFFERSPROC) SDL_GL_GetProcAddress("glGenBuffers");
qglBufferData = (PFNGLBUFFERDATAPROC) SDL_GL_GetProcAddress("glBufferData");
qglBufferSubData = (PFNGLBUFFERSUBDATAPROC) SDL_GL_GetProcAddress("glBufferSubData");
glRefConfig.occlusionQuery = qtrue; glRefConfig.occlusionQuery = qtrue;
// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader // OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
qglAttachShader = (PFNGLATTACHSHADERPROC) SDL_GL_GetProcAddress("glAttachShader"); QGL_2_0_PROCS;
qglBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC) SDL_GL_GetProcAddress("glBindAttribLocation");
qglCompileShader = (PFNGLCOMPILESHADERPROC) SDL_GL_GetProcAddress("glCompileShader"); #undef GLE
qglCreateProgram = (PFNGLCREATEPROGRAMPROC) SDL_GL_GetProcAddress("glCreateProgram");
qglCreateShader = (PFNGLCREATESHADERPROC) SDL_GL_GetProcAddress("glCreateShader");
qglDeleteProgram = (PFNGLDELETEPROGRAMPROC) SDL_GL_GetProcAddress("glDeleteProgram");
qglDeleteShader = (PFNGLDELETESHADERPROC) SDL_GL_GetProcAddress("glDeleteShader");
qglDetachShader = (PFNGLDETACHSHADERPROC) SDL_GL_GetProcAddress("glDetachShader");
qglDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glDisableVertexAttribArray");
qglEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glEnableVertexAttribArray");
qglGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC) SDL_GL_GetProcAddress("glGetActiveUniform");
qglGetProgramiv = (PFNGLGETPROGRAMIVPROC) SDL_GL_GetProcAddress("glGetProgramiv");
qglGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) SDL_GL_GetProcAddress("glGetProgramInfoLog");
qglGetShaderiv = (PFNGLGETSHADERIVPROC) SDL_GL_GetProcAddress("glGetShaderiv");
qglGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) SDL_GL_GetProcAddress("glGetShaderInfoLog");
qglGetShaderSource = (PFNGLGETSHADERSOURCEPROC) SDL_GL_GetProcAddress("glGetShaderSource");
qglGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) SDL_GL_GetProcAddress("glGetUniformLocation");
qglLinkProgram = (PFNGLLINKPROGRAMPROC) SDL_GL_GetProcAddress("glLinkProgram");
qglShaderSource = (PFNGLSHADERSOURCEPROC) SDL_GL_GetProcAddress("glShaderSource");
qglUseProgram = (PFNGLUSEPROGRAMPROC) SDL_GL_GetProcAddress("glUseProgram");
qglUniform1f = (PFNGLUNIFORM1FPROC) SDL_GL_GetProcAddress("glUniform1f");
qglUniform2f = (PFNGLUNIFORM2FPROC) SDL_GL_GetProcAddress("glUniform2f");
qglUniform3f = (PFNGLUNIFORM3FPROC) SDL_GL_GetProcAddress("glUniform3f");
qglUniform4f = (PFNGLUNIFORM4FPROC) SDL_GL_GetProcAddress("glUniform4f");
qglUniform1i = (PFNGLUNIFORM1IPROC) SDL_GL_GetProcAddress("glUniform1i");
qglUniform1fv = (PFNGLUNIFORM1FVPROC) SDL_GL_GetProcAddress("glUniform1fv");
qglUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC) SDL_GL_GetProcAddress("glUniformMatrix4fv");
qglValidateProgram = (PFNGLVALIDATEPROGRAMPROC) SDL_GL_GetProcAddress("glValidateProgram");
qglVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC) SDL_GL_GetProcAddress("glVertexAttribPointer");
if (1) if (1)
{ {