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ioq3/code/renderergl2/tr_extensions.c

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/*
===========================================================================
Copyright (C) 2011 James Canete (use.less01@gmail.com)
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// tr_extensions.c - extensions needed by the renderer not in sdl_glimp.c
#ifdef USE_LOCAL_HEADERS
# include "SDL.h"
#else
# include <SDL.h>
#endif
#include "tr_local.h"
// GL_EXT_draw_range_elements
void (APIENTRY * qglDrawRangeElementsEXT) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
// GL_EXT_multi_draw_arrays
void (APIENTRY * qglMultiDrawArraysEXT) (GLenum mode, const GLint *first, const GLsizei *count, GLsizei primcount);
void (APIENTRY * qglMultiDrawElementsEXT) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
// GL_ARB_vertex_shader
void (APIENTRY * qglBindAttribLocationARB) (GLhandleARB programObj, GLuint index, const GLcharARB * name);
void (APIENTRY * qglGetActiveAttribARB) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei * length,
GLint * size, GLenum * type, GLcharARB * name);
GLint(APIENTRY * qglGetAttribLocationARB) (GLhandleARB programObj, const GLcharARB * name);
// GL_ARB_vertex_program
void (APIENTRY * qglVertexAttrib4fARB) (GLuint, GLfloat, GLfloat, GLfloat, GLfloat);
void (APIENTRY * qglVertexAttrib4fvARB) (GLuint, const GLfloat *);
void (APIENTRY * qglVertexAttribPointerARB) (GLuint index, GLint size, GLenum type, GLboolean normalized,
GLsizei stride, const GLvoid * pointer);
void (APIENTRY * qglEnableVertexAttribArrayARB) (GLuint index);
void (APIENTRY * qglDisableVertexAttribArrayARB) (GLuint index);
// GL_ARB_vertex_buffer_object
void (APIENTRY * qglBindBufferARB) (GLenum target, GLuint buffer);
void (APIENTRY * qglDeleteBuffersARB) (GLsizei n, const GLuint * buffers);
void (APIENTRY * qglGenBuffersARB) (GLsizei n, GLuint * buffers);
GLboolean(APIENTRY * qglIsBufferARB) (GLuint buffer);
void (APIENTRY * qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
void (APIENTRY * qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
void (APIENTRY * qglGetBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid * data);
void (APIENTRY * qglGetBufferParameterivARB) (GLenum target, GLenum pname, GLint * params);
void (APIENTRY * qglGetBufferPointervARB) (GLenum target, GLenum pname, GLvoid * *params);
// GL_ARB_shader_objects
void (APIENTRY * qglDeleteObjectARB) (GLhandleARB obj);
GLhandleARB(APIENTRY * qglGetHandleARB) (GLenum pname);
void (APIENTRY * qglDetachObjectARB) (GLhandleARB containerObj, GLhandleARB attachedObj);
GLhandleARB(APIENTRY * qglCreateShaderObjectARB) (GLenum shaderType);
void (APIENTRY * qglShaderSourceARB) (GLhandleARB shaderObj, GLsizei count, const GLcharARB * *string,
const GLint * length);
void (APIENTRY * qglCompileShaderARB) (GLhandleARB shaderObj);
GLhandleARB(APIENTRY * qglCreateProgramObjectARB) (void);
void (APIENTRY * qglAttachObjectARB) (GLhandleARB containerObj, GLhandleARB obj);
void (APIENTRY * qglLinkProgramARB) (GLhandleARB programObj);
void (APIENTRY * qglUseProgramObjectARB) (GLhandleARB programObj);
void (APIENTRY * qglValidateProgramARB) (GLhandleARB programObj);
void (APIENTRY * qglUniform1fARB) (GLint location, GLfloat v0);
void (APIENTRY * qglUniform2fARB) (GLint location, GLfloat v0, GLfloat v1);
void (APIENTRY * qglUniform3fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
void (APIENTRY * qglUniform4fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
void (APIENTRY * qglUniform1iARB) (GLint location, GLint v0);
void (APIENTRY * qglUniform2iARB) (GLint location, GLint v0, GLint v1);
void (APIENTRY * qglUniform3iARB) (GLint location, GLint v0, GLint v1, GLint v2);
void (APIENTRY * qglUniform4iARB) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
void (APIENTRY * qglUniform1fvARB) (GLint location, GLsizei count, const GLfloat * value);
void (APIENTRY * qglUniform2fvARB) (GLint location, GLsizei count, const GLfloat * value);
void (APIENTRY * qglUniform3fvARB) (GLint location, GLsizei count, const GLfloat * value);
void (APIENTRY * qglUniform4fvARB) (GLint location, GLsizei count, const GLfloat * value);
void (APIENTRY * qglUniform2ivARB) (GLint location, GLsizei count, const GLint * value);
void (APIENTRY * qglUniform3ivARB) (GLint location, GLsizei count, const GLint * value);
void (APIENTRY * qglUniform4ivARB) (GLint location, GLsizei count, const GLint * value);
void (APIENTRY * qglUniformMatrix2fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
void (APIENTRY * qglUniformMatrix3fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
void (APIENTRY * qglUniformMatrix4fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
void (APIENTRY * qglGetObjectParameterfvARB) (GLhandleARB obj, GLenum pname, GLfloat * params);
void (APIENTRY * qglGetObjectParameterivARB) (GLhandleARB obj, GLenum pname, GLint * params);
void (APIENTRY * qglGetInfoLogARB) (GLhandleARB obj, GLsizei maxLength, GLsizei * length, GLcharARB * infoLog);
void (APIENTRY * qglGetAttachedObjectsARB) (GLhandleARB containerObj, GLsizei maxCount, GLsizei * count,
GLhandleARB * obj);
GLint(APIENTRY * qglGetUniformLocationARB) (GLhandleARB programObj, const GLcharARB * name);
void (APIENTRY * qglGetActiveUniformARB) (GLhandleARB programObj, GLuint index, GLsizei maxIndex, GLsizei * length,
GLint * size, GLenum * type, GLcharARB * name);
void (APIENTRY * qglGetUniformfvARB) (GLhandleARB programObj, GLint location, GLfloat * params);
void (APIENTRY * qglGetUniformivARB) (GLhandleARB programObj, GLint location, GLint * params);
void (APIENTRY * qglGetShaderSourceARB) (GLhandleARB obj, GLsizei maxLength, GLsizei * length, GLcharARB * source);
// GL_ARB_texture_compression
void (APIENTRY * qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
GLint border, GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border,
GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data);
void (APIENTRY * qglGetCompressedTexImageARB)(GLenum target, GLint lod,
GLvoid *img);
// GL_EXT_framebuffer_object
GLboolean (APIENTRY * qglIsRenderbufferEXT)(GLuint renderbuffer);
void (APIENTRY * qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
void (APIENTRY * qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
void (APIENTRY * qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
void (APIENTRY * qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
void (APIENTRY * qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
GLboolean (APIENTRY * qglIsFramebufferEXT)(GLuint framebuffer);
void (APIENTRY * qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
void (APIENTRY * qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
void (APIENTRY * qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
GLenum (APIENTRY * qglCheckFramebufferStatusEXT)(GLenum target);
void (APIENTRY * qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level);
void (APIENTRY * qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level);
void (APIENTRY * qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level, GLint zoffset);
void (APIENTRY * qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget,
GLuint renderbuffer);
void (APIENTRY * qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
void (APIENTRY * qglGenerateMipmapEXT)(GLenum target);
// GL_ARB_occlusion_query
void (APIENTRY * qglGenQueriesARB)(GLsizei n, GLuint *ids);
void (APIENTRY * qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
GLboolean (APIENTRY * qglIsQueryARB)(GLuint id);
void (APIENTRY * qglBeginQueryARB)(GLenum target, GLuint id);
void (APIENTRY * qglEndQueryARB)(GLenum target);
void (APIENTRY * qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
void (APIENTRY * qglGetQueryObjectivARB)(GLuint id, GLenum pname, GLint *params);
void (APIENTRY * qglGetQueryObjectuivARB)(GLuint id, GLenum pname, GLuint *params);
// GL_EXT_framebuffer_blit
void (APIENTRY * qglBlitFramebufferEXT)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter);
// GL_EXT_framebuffer_multisample
void (APIENTRY * qglRenderbufferStorageMultisampleEXT)(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width, GLsizei height);
// GL_ARB_draw_buffers
void (APIENTRY * qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
// GL_ARB_vertex_array_object
void (APIENTRY * qglBindVertexArrayARB)(GLuint array);
void (APIENTRY * qglDeleteVertexArraysARB)(GLsizei n, const GLuint *arrays);
void (APIENTRY * qglGenVertexArraysARB)(GLsizei n, GLuint *arrays);
GLboolean (APIENTRY * qglIsVertexArrayARB)(GLuint array);
static qboolean GLimp_HaveExtension(const char *ext)
{
const char *ptr = Q_stristr( glConfig.extensions_string, ext );
if (ptr == NULL)
return qfalse;
ptr += strlen(ext);
return ((*ptr == ' ') || (*ptr == '\0')); // verify it's complete string.
}
void GLimp_InitExtraExtensions()
{
char *extension;
const char* result[3] = { "...ignoring %s\n", "...using %s\n", "...%s not found\n" };
// GL_EXT_draw_range_elements
extension = "GL_EXT_draw_range_elements";
glRefConfig.drawRangeElements = qfalse;
qglMultiDrawArraysEXT = NULL;
qglMultiDrawElementsEXT = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglDrawRangeElementsEXT = (void *) SDL_GL_GetProcAddress("glDrawRangeElementsEXT");
if ( r_ext_draw_range_elements->integer)
glRefConfig.drawRangeElements = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_EXT_multi_draw_arrays
extension = "GL_EXT_multi_draw_arrays";
glRefConfig.multiDrawArrays = qfalse;
qglMultiDrawArraysEXT = NULL;
qglMultiDrawElementsEXT = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglMultiDrawArraysEXT = (PFNGLMULTIDRAWARRAYSEXTPROC) SDL_GL_GetProcAddress("glMultiDrawArraysEXT");
qglMultiDrawElementsEXT = (PFNGLMULTIDRAWELEMENTSEXTPROC) SDL_GL_GetProcAddress("glMultiDrawElementsEXT");
if ( r_ext_multi_draw_arrays->integer )
glRefConfig.multiDrawArrays = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.multiDrawArrays], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_vertex_program
//glRefConfig.vertexProgram = qfalse;
extension = "GL_ARB_vertex_program";
qglVertexAttrib4fARB = NULL;
qglVertexAttrib4fvARB = NULL;
qglVertexAttribPointerARB = NULL;
qglEnableVertexAttribArrayARB = NULL;
qglDisableVertexAttribArrayARB = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglVertexAttrib4fARB = (PFNGLVERTEXATTRIB4FARBPROC) SDL_GL_GetProcAddress("glVertexAttrib4fARB");
qglVertexAttrib4fvARB = (PFNGLVERTEXATTRIB4FVARBPROC) SDL_GL_GetProcAddress("glVertexAttrib4fvARB");
qglVertexAttribPointerARB = (PFNGLVERTEXATTRIBPOINTERARBPROC) SDL_GL_GetProcAddress("glVertexAttribPointerARB");
qglEnableVertexAttribArrayARB =
(PFNGLENABLEVERTEXATTRIBARRAYARBPROC) SDL_GL_GetProcAddress("glEnableVertexAttribArrayARB");
qglDisableVertexAttribArrayARB =
(PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) SDL_GL_GetProcAddress("glDisableVertexAttribArrayARB");
ri.Printf(PRINT_ALL, result[1], extension);
//glRefConfig.vertexProgram = qtrue;
}
else
{
ri.Error(ERR_FATAL, result[2], extension);
}
// GL_ARB_vertex_buffer_object
//glRefConfig.vertexBufferObject = qfalse;
extension = "GL_ARB_vertex_buffer_object";
qglBindBufferARB = NULL;
qglDeleteBuffersARB = NULL;
qglGenBuffersARB = NULL;
qglIsBufferARB = NULL;
qglBufferDataARB = NULL;
qglBufferSubDataARB = NULL;
qglGetBufferSubDataARB = NULL;
qglGetBufferParameterivARB = NULL;
qglGetBufferPointervARB = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglBindBufferARB = (PFNGLBINDBUFFERARBPROC) SDL_GL_GetProcAddress("glBindBufferARB");
qglDeleteBuffersARB = (PFNGLDELETEBUFFERSARBPROC) SDL_GL_GetProcAddress("glDeleteBuffersARB");
qglGenBuffersARB = (PFNGLGENBUFFERSARBPROC) SDL_GL_GetProcAddress("glGenBuffersARB");
qglIsBufferARB = (PFNGLISBUFFERARBPROC) SDL_GL_GetProcAddress("glIsBufferARB");
qglBufferDataARB = (PFNGLBUFFERDATAARBPROC) SDL_GL_GetProcAddress("glBufferDataARB");
qglBufferSubDataARB = (PFNGLBUFFERSUBDATAARBPROC) SDL_GL_GetProcAddress("glBufferSubDataARB");
qglGetBufferSubDataARB = (PFNGLGETBUFFERSUBDATAARBPROC) SDL_GL_GetProcAddress("glGetBufferSubDataARB");
qglGetBufferParameterivARB = (PFNGLGETBUFFERPARAMETERIVARBPROC) SDL_GL_GetProcAddress("glGetBufferParameterivARB");
qglGetBufferPointervARB = (PFNGLGETBUFFERPOINTERVARBPROC) SDL_GL_GetProcAddress("glGetBufferPointervARB");
ri.Printf(PRINT_ALL, result[1], extension);
//glRefConfig.vertexBufferObject = qtrue;
}
else
{
ri.Error(ERR_FATAL, result[2], extension);
}
// GL_ARB_shader_objects
extension = "GL_ARB_shader_objects";
//glRefConfig.shaderObjects = qfalse;
qglDeleteObjectARB = NULL;
qglGetHandleARB = NULL;
qglDetachObjectARB = NULL;
qglCreateShaderObjectARB = NULL;
qglShaderSourceARB = NULL;
qglCompileShaderARB = NULL;
qglCreateProgramObjectARB = NULL;
qglAttachObjectARB = NULL;
qglLinkProgramARB = NULL;
qglUseProgramObjectARB = NULL;
qglValidateProgramARB = NULL;
qglUniform1fARB = NULL;
qglUniform2fARB = NULL;
qglUniform3fARB = NULL;
qglUniform4fARB = NULL;
qglUniform1iARB = NULL;
qglUniform2iARB = NULL;
qglUniform3iARB = NULL;
qglUniform4iARB = NULL;
qglUniform1fvARB = NULL;
qglUniform2fvARB = NULL;
qglUniform3fvARB = NULL;
qglUniform4fvARB = NULL;
qglUniform2ivARB = NULL;
qglUniform3ivARB = NULL;
qglUniform4ivARB = NULL;
qglUniformMatrix2fvARB = NULL;
qglUniformMatrix3fvARB = NULL;
qglUniformMatrix4fvARB = NULL;
qglGetObjectParameterfvARB = NULL;
qglGetObjectParameterivARB = NULL;
qglGetInfoLogARB = NULL;
qglGetAttachedObjectsARB = NULL;
qglGetUniformLocationARB = NULL;
qglGetActiveUniformARB = NULL;
qglGetUniformfvARB = NULL;
qglGetUniformivARB = NULL;
qglGetShaderSourceARB = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglDeleteObjectARB = (PFNGLDELETEOBJECTARBPROC) SDL_GL_GetProcAddress("glDeleteObjectARB");
qglGetHandleARB = (PFNGLGETHANDLEARBPROC) SDL_GL_GetProcAddress("glGetHandleARB");
qglDetachObjectARB = (PFNGLDETACHOBJECTARBPROC) SDL_GL_GetProcAddress("glDetachObjectARB");
qglCreateShaderObjectARB = (PFNGLCREATESHADEROBJECTARBPROC) SDL_GL_GetProcAddress("glCreateShaderObjectARB");
qglShaderSourceARB = (PFNGLSHADERSOURCEARBPROC) SDL_GL_GetProcAddress("glShaderSourceARB");
qglCompileShaderARB = (PFNGLCOMPILESHADERARBPROC) SDL_GL_GetProcAddress("glCompileShaderARB");
qglCreateProgramObjectARB = (PFNGLCREATEPROGRAMOBJECTARBPROC) SDL_GL_GetProcAddress("glCreateProgramObjectARB");
qglAttachObjectARB = (PFNGLATTACHOBJECTARBPROC) SDL_GL_GetProcAddress("glAttachObjectARB");
qglLinkProgramARB = (PFNGLLINKPROGRAMARBPROC) SDL_GL_GetProcAddress("glLinkProgramARB");
qglUseProgramObjectARB = (PFNGLUSEPROGRAMOBJECTARBPROC) SDL_GL_GetProcAddress("glUseProgramObjectARB");
qglValidateProgramARB = (PFNGLVALIDATEPROGRAMARBPROC) SDL_GL_GetProcAddress("glValidateProgramARB");
qglUniform1fARB = (PFNGLUNIFORM1FARBPROC) SDL_GL_GetProcAddress("glUniform1fARB");
qglUniform2fARB = (PFNGLUNIFORM2FARBPROC) SDL_GL_GetProcAddress("glUniform2fARB");
qglUniform3fARB = (PFNGLUNIFORM3FARBPROC) SDL_GL_GetProcAddress("glUniform3fARB");
qglUniform4fARB = (PFNGLUNIFORM4FARBPROC) SDL_GL_GetProcAddress("glUniform4fARB");
qglUniform1iARB = (PFNGLUNIFORM1IARBPROC) SDL_GL_GetProcAddress("glUniform1iARB");
qglUniform2iARB = (PFNGLUNIFORM2IARBPROC) SDL_GL_GetProcAddress("glUniform2iARB");
qglUniform3iARB = (PFNGLUNIFORM3IARBPROC) SDL_GL_GetProcAddress("glUniform3iARB");
qglUniform4iARB = (PFNGLUNIFORM4IARBPROC) SDL_GL_GetProcAddress("glUniform4iARB");
qglUniform1fvARB = (PFNGLUNIFORM1FVARBPROC) SDL_GL_GetProcAddress("glUniform1fvARB");
qglUniform2fvARB = (PFNGLUNIFORM2FVARBPROC) SDL_GL_GetProcAddress("glUniform2fvARB");
qglUniform3fvARB = (PFNGLUNIFORM3FVARBPROC) SDL_GL_GetProcAddress("glUniform3fvARB");
qglUniform4fvARB = (PFNGLUNIFORM4FVARBPROC) SDL_GL_GetProcAddress("glUniform4fvARB");
qglUniform2ivARB = (PFNGLUNIFORM2IVARBPROC) SDL_GL_GetProcAddress("glUniform2ivARB");
qglUniform3ivARB = (PFNGLUNIFORM3IVARBPROC) SDL_GL_GetProcAddress("glUniform3ivARB");
qglUniform4ivARB = (PFNGLUNIFORM4IVARBPROC) SDL_GL_GetProcAddress("glUniform4ivARB");
qglUniformMatrix2fvARB = (PFNGLUNIFORMMATRIX2FVARBPROC) SDL_GL_GetProcAddress("glUniformMatrix2fvARB");
qglUniformMatrix3fvARB = (PFNGLUNIFORMMATRIX3FVARBPROC) SDL_GL_GetProcAddress("glUniformMatrix3fvARB");
qglUniformMatrix4fvARB = (PFNGLUNIFORMMATRIX4FVARBPROC) SDL_GL_GetProcAddress("glUniformMatrix4fvARB");
qglGetObjectParameterfvARB = (PFNGLGETOBJECTPARAMETERFVARBPROC) SDL_GL_GetProcAddress("glGetObjectParameterfvARB");
qglGetObjectParameterivARB = (PFNGLGETOBJECTPARAMETERIVARBPROC) SDL_GL_GetProcAddress("glGetObjectParameterivARB");
qglGetInfoLogARB = (PFNGLGETINFOLOGARBPROC) SDL_GL_GetProcAddress("glGetInfoLogARB");
qglGetAttachedObjectsARB = (PFNGLGETATTACHEDOBJECTSARBPROC) SDL_GL_GetProcAddress("glGetAttachedObjectsARB");
qglGetUniformLocationARB = (PFNGLGETUNIFORMLOCATIONARBPROC) SDL_GL_GetProcAddress("glGetUniformLocationARB");
qglGetActiveUniformARB = (PFNGLGETACTIVEUNIFORMARBPROC) SDL_GL_GetProcAddress("glGetActiveUniformARB");
qglGetUniformfvARB = (PFNGLGETUNIFORMFVARBPROC) SDL_GL_GetProcAddress("glGetUniformfvARB");
qglGetUniformivARB = (PFNGLGETUNIFORMIVARBPROC) SDL_GL_GetProcAddress("glGetUniformivARB");
qglGetShaderSourceARB = (PFNGLGETSHADERSOURCEARBPROC) SDL_GL_GetProcAddress("glGetShaderSourceARB");
ri.Printf(PRINT_ALL, result[1], extension);
//glRefConfig.shaderObjects = qtrue;
}
else
{
ri.Error(ERR_FATAL, result[2], extension);
}
// GL_ARB_vertex_shader
//glRefConfig.vertexShader = qfalse;
extension = "GL_ARB_vertex_shader";
qglBindAttribLocationARB = NULL;
qglGetActiveAttribARB = NULL;
qglGetAttribLocationARB = NULL;
if( GLimp_HaveExtension( extension ) )
{
//int reservedComponents;
//qglGetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, &glConfig.maxVertexUniforms);
//qglGetIntegerv(GL_MAX_VARYING_FLOATS_ARB, &glConfig.maxVaryingFloats);
//qglGetIntegerv(GL_MAX_VERTEX_ATTRIBS_ARB, &glConfig.maxVertexAttribs);
//reservedComponents = 16 * 10; // approximation how many uniforms we have besides the bone matrices
#if 0
if(glConfig.driverType == GLDRV_MESA)
{
// HACK
// restrict to number of vertex uniforms to 512 because of:
// xreal.x86_64: nv50_program.c:4181: nv50_program_validate_data: Assertion `p->param_nr <= 512' failed
glConfig.maxVertexUniforms = Q_bound(0, glConfig.maxVertexUniforms, 512);
}
#endif
//glConfig.maxVertexSkinningBones = (int) Q_bound(0.0, (Q_max(glConfig.maxVertexUniforms - reservedComponents, 0) / 16), MAX_BONES);
//glConfig.vboVertexSkinningAvailable = r_vboVertexSkinning->integer && ((glConfig.maxVertexSkinningBones >= 12) ? qtrue : qfalse);
qglBindAttribLocationARB = (PFNGLBINDATTRIBLOCATIONARBPROC) SDL_GL_GetProcAddress("glBindAttribLocationARB");
qglGetActiveAttribARB = (PFNGLGETACTIVEATTRIBARBPROC) SDL_GL_GetProcAddress("glGetActiveAttribARB");
qglGetAttribLocationARB = (PFNGLGETATTRIBLOCATIONARBPROC) SDL_GL_GetProcAddress("glGetAttribLocationARB");
ri.Printf(PRINT_ALL, result[1], extension);
//glRefConfig.vertexShader = qtrue;
}
else
{
ri.Error(ERR_FATAL, result[2], extension);
}
// GL_ARB_shading_language_100
extension = "GL_ARB_shading_language_100";
glRefConfig.textureFloat = qfalse;
if( GLimp_HaveExtension( extension ) )
{
char version[256];
Q_strncpyz( version, (char *) qglGetString (GL_SHADING_LANGUAGE_VERSION_ARB), sizeof( version ) );
sscanf(version, "%d.%d", &glRefConfig.glslMajorVersion, &glRefConfig.glslMinorVersion);
ri.Printf(PRINT_ALL, "...using GLSL version %s\n", version);
}
else
{
ri.Error(ERR_FATAL, result[2], extension);
}
glRefConfig.memInfo = MI_NONE;
if( GLimp_HaveExtension( "GL_NVX_gpu_memory_info" ) )
{
glRefConfig.memInfo = MI_NVX;
}
else if( GLimp_HaveExtension( "GL_ATI_meminfo" ) )
{
glRefConfig.memInfo = MI_ATI;
}
extension = "GL_ARB_texture_non_power_of_two";
glRefConfig.textureNonPowerOfTwo = qfalse;
if( GLimp_HaveExtension( extension ) )
{
if(1) //(r_ext_texture_non_power_of_two->integer)
{
glRefConfig.textureNonPowerOfTwo = qtrue;
}
ri.Printf(PRINT_ALL, result[glRefConfig.textureNonPowerOfTwo], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_texture_float
extension = "GL_ARB_texture_float";
glRefConfig.textureFloat = qfalse;
if( GLimp_HaveExtension( extension ) )
{
if( r_ext_texture_float->integer )
{
glRefConfig.textureFloat = qtrue;
}
ri.Printf(PRINT_ALL, result[glRefConfig.textureFloat], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_half_float_pixel
extension = "GL_ARB_half_float_pixel";
glRefConfig.halfFloatPixel = qfalse;
if( GLimp_HaveExtension( extension ) )
{
if( r_arb_half_float_pixel->integer )
glRefConfig.halfFloatPixel = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.halfFloatPixel], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_EXT_framebuffer_object
extension = "GL_EXT_framebuffer_object";
glRefConfig.framebufferObject = qfalse;
if( GLimp_HaveExtension( extension ) )
{
glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE_EXT, &glRefConfig.maxRenderbufferSize);
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &glRefConfig.maxColorAttachments);
qglIsRenderbufferEXT = (PFNGLISRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glIsRenderbufferEXT");
qglBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glBindRenderbufferEXT");
qglDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC) SDL_GL_GetProcAddress("glDeleteRenderbuffersEXT");
qglGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC) SDL_GL_GetProcAddress("glGenRenderbuffersEXT");
qglRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC) SDL_GL_GetProcAddress("glRenderbufferStorageEXT");
qglGetRenderbufferParameterivEXT = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) SDL_GL_GetProcAddress("glGetRenderbufferParameterivEXT");
qglIsFramebufferEXT = (PFNGLISFRAMEBUFFEREXTPROC) SDL_GL_GetProcAddress("glIsFramebufferEXT");
qglBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC) SDL_GL_GetProcAddress("glBindFramebufferEXT");
qglDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC) SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
qglGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC) SDL_GL_GetProcAddress("glGenFramebuffersEXT");
qglCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
qglFramebufferTexture1DEXT = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture1DEXT");
qglFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
qglFramebufferTexture3DEXT = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture3DEXT");
qglFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glFramebufferRenderbufferEXT");
qglGetFramebufferAttachmentParameterivEXT = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) SDL_GL_GetProcAddress("glGetFramebufferAttachmentParameterivEXT");
qglGenerateMipmapEXT = (PFNGLGENERATEMIPMAPEXTPROC) SDL_GL_GetProcAddress("glGenerateMipmapEXT");
if(r_ext_framebuffer_object->value)
glRefConfig.framebufferObject = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.framebufferObject], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_EXT_packed_depth_stencil
extension = "GL_EXT_packed_depth_stencil";
glRefConfig.packedDepthStencil = qfalse;
if( GLimp_HaveExtension(extension))
{
glRefConfig.packedDepthStencil = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.packedDepthStencil], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_occlusion_query
extension = "GL_ARB_occlusion_query";
glRefConfig.occlusionQuery = qfalse;
if (GLimp_HaveExtension(extension))
{
qglGenQueriesARB = (PFNGLGENQUERIESARBPROC) SDL_GL_GetProcAddress("glGenQueriesARB");
qglDeleteQueriesARB = (PFNGLDELETEQUERIESARBPROC) SDL_GL_GetProcAddress("glDeleteQueriesARB");
qglIsQueryARB = (PFNGLISQUERYARBPROC) SDL_GL_GetProcAddress("glIsQueryARB");
qglBeginQueryARB = (PFNGLBEGINQUERYARBPROC) SDL_GL_GetProcAddress("glBeginQueryARB");
qglEndQueryARB = (PFNGLENDQUERYARBPROC) SDL_GL_GetProcAddress("glEndQueryARB");
qglGetQueryivARB = (PFNGLGETQUERYIVARBPROC) SDL_GL_GetProcAddress("glGetQueryivARB");
qglGetQueryObjectivARB = (PFNGLGETQUERYOBJECTIVARBPROC) SDL_GL_GetProcAddress("glGetQueryObjectivARB");
qglGetQueryObjectuivARB = (PFNGLGETQUERYOBJECTUIVARBPROC) SDL_GL_GetProcAddress("glGetQueryObjectuivARB");
glRefConfig.occlusionQuery = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.occlusionQuery], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_EXT_framebuffer_blit
extension = "GL_EXT_framebuffer_blit";
glRefConfig.framebufferBlit = qfalse;
if (GLimp_HaveExtension(extension))
{
qglBlitFramebufferEXT = (void *)SDL_GL_GetProcAddress("glBlitFramebufferEXT");
glRefConfig.framebufferBlit = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.framebufferBlit], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_EXT_framebuffer_multisample
extension = "GL_EXT_framebuffer_multisample";
glRefConfig.framebufferMultisample = qfalse;
if (GLimp_HaveExtension(extension))
{
qglRenderbufferStorageMultisampleEXT = (void *)SDL_GL_GetProcAddress("glRenderbufferStorageMultisampleEXT");
glRefConfig.framebufferMultisample = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.framebufferMultisample], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
glRefConfig.textureCompression = TCR_NONE;
// GL_EXT_texture_compression_latc
extension = "GL_EXT_texture_compression_latc";
if (GLimp_HaveExtension(extension))
{
if (r_ext_compressed_textures->integer)
glRefConfig.textureCompression |= TCR_LATC;
ri.Printf(PRINT_ALL, result[r_ext_compressed_textures->integer ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_texture_compression_bptc
extension = "GL_ARB_texture_compression_bptc";
if (GLimp_HaveExtension(extension))
{
if (r_ext_compressed_textures->integer >= 2)
glRefConfig.textureCompression |= TCR_BPTC;
ri.Printf(PRINT_ALL, result[(r_ext_compressed_textures->integer >= 2) ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_draw_buffers
extension = "GL_ARB_draw_buffers";
qglDrawBuffersARB = NULL;
if( GLimp_HaveExtension( extension ) )
{
qglDrawBuffersARB = (void *) SDL_GL_GetProcAddress("glDrawBuffersARB");
ri.Printf(PRINT_ALL, result[1], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_depth_clamp
extension = "GL_ARB_depth_clamp";
glRefConfig.depthClamp = qfalse;
if( GLimp_HaveExtension( extension ) )
{
glRefConfig.depthClamp = qtrue;
ri.Printf(PRINT_ALL, result[1], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_seamless_cube_map
extension = "GL_ARB_seamless_cube_map";
glRefConfig.seamlessCubeMap = qfalse;
if( GLimp_HaveExtension( extension ) )
{
if (r_arb_seamless_cube_map->integer)
glRefConfig.seamlessCubeMap = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.seamlessCubeMap], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_vertex_type_2_10_10_10_rev
extension = "GL_ARB_vertex_type_2_10_10_10_rev";
glRefConfig.packedNormalDataType = GL_BYTE;
if( GLimp_HaveExtension( extension ) )
{
if (r_arb_vertex_type_2_10_10_10_rev->integer)
glRefConfig.packedNormalDataType = GL_INT_2_10_10_10_REV;
ri.Printf(PRINT_ALL, result[r_arb_vertex_type_2_10_10_10_rev->integer ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// use float lightmaps?
glRefConfig.floatLightmap = (glRefConfig.textureFloat && glRefConfig.halfFloatPixel && r_floatLightmap->integer && r_hdr->integer);
// GL_ARB_vertex_array_object
extension = "GL_ARB_vertex_array_object";
glRefConfig.vertexArrayObject = qfalse;
if( GLimp_HaveExtension( extension ) )
{
qglBindVertexArrayARB = (void *) SDL_GL_GetProcAddress("glBindVertexArray");
qglDeleteVertexArraysARB = (void *) SDL_GL_GetProcAddress("glDeleteVertexArrays");
qglGenVertexArraysARB = (void *) SDL_GL_GetProcAddress("glGenVertexArrays");
qglIsVertexArrayARB = (void *) SDL_GL_GetProcAddress("glIsVertexArray");
if (r_arb_vertex_array_object->integer)
glRefConfig.vertexArrayObject = qtrue;
ri.Printf(PRINT_ALL, result[glRefConfig.vertexArrayObject ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
// GL_ARB_half_float_vertex
extension = "GL_ARB_half_float_vertex";
glRefConfig.packedTexcoordDataType = GL_FLOAT;
glRefConfig.packedTexcoordDataSize = sizeof(float) * 2;
glRefConfig.packedColorDataType = GL_FLOAT;
glRefConfig.packedColorDataSize = sizeof(float) * 4;
if( GLimp_HaveExtension( extension ) )
{
if (r_arb_half_float_vertex->integer)
{
glRefConfig.packedTexcoordDataType = GL_HALF_FLOAT;
glRefConfig.packedTexcoordDataSize = sizeof(uint16_t) * 2;
glRefConfig.packedColorDataType = GL_HALF_FLOAT;
glRefConfig.packedColorDataSize = sizeof(uint16_t) * 4;
}
ri.Printf(PRINT_ALL, result[r_arb_half_float_vertex->integer ? 1 : 0], extension);
}
else
{
ri.Printf(PRINT_ALL, result[2], extension);
}
}
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