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f9d4ebbb40ed910c0e3853c35997fef9dbe89f40
illusion-arena-engine/code/renderer_oa/tr_extensions.c
leilei- f9d4ebbb40 Paletted texture support (GL_EXT_paletted_texture, r_textureBits 8, expects gfx/palette.lmp) 
Quarter-broken texture resampling from Darkplaces
Half-broken otherblendmodes=alpha fixes for Pvr
Postprocess Bloom works on S3TC and texturebits 0
Fix memory allocation typo with postprocess
2014-03-18 08:06:20 -04:00

264 lines
20 KiB
C
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/** Idea and structure from James Canete's opengl2 renderer but the code is
based on OpenArena 0.8.8's sdl_glimp.c changes. */
// 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_ARB_shader_objects
GLvoid (APIENTRYP qglDeleteObjectARB) (GLhandleARB obj);
GLhandleARB (APIENTRYP qglGetHandleARB) (GLenum pname);
GLvoid (APIENTRYP qglDetachObjectARB) (GLhandleARB containerObj, GLhandleARB attachedObj);
GLhandleARB (APIENTRYP qglCreateShaderObjectARB) (GLenum shaderType);
GLvoid (APIENTRYP qglShaderSourceARB) (GLhandleARB shaderObj, GLsizei count, const GLcharARB **string,
const GLint *length);
GLvoid (APIENTRYP qglCompileShaderARB) (GLhandleARB shaderObj);
GLhandleARB (APIENTRYP qglCreateProgramObjectARB) (void);
GLvoid (APIENTRYP qglAttachObjectARB) (GLhandleARB containerObj, GLhandleARB obj);
GLvoid (APIENTRYP qglLinkProgramARB) (GLhandleARB programObj);
GLvoid (APIENTRYP qglUseProgramObjectARB) (GLhandleARB programObj);
GLvoid (APIENTRYP qglValidateProgramARB) (GLhandleARB programObj);
GLvoid (APIENTRYP qglUniform1fARB) (GLint location, GLfloat v0);
GLvoid (APIENTRYP qglUniform2fARB) (GLint location, GLfloat v0, GLfloat v1);
GLvoid (APIENTRYP qglUniform3fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
GLvoid (APIENTRYP qglUniform4fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
GLvoid (APIENTRYP qglUniform1iARB) (GLint location, GLint v0);
GLvoid (APIENTRYP qglUniform2iARB) (GLint location, GLint v0, GLint v1);
GLvoid (APIENTRYP qglUniform3iARB) (GLint location, GLint v0, GLint v1, GLint v2);
GLvoid (APIENTRYP qglUniform4iARB) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
GLvoid (APIENTRYP qglUniform1fvARB) (GLint location, GLsizei count, const GLfloat *value);
GLvoid (APIENTRYP qglUniform2fvARB) (GLint location, GLsizei count, const GLfloat *value);
GLvoid (APIENTRYP qglUniform3fvARB) (GLint location, GLsizei count, const GLfloat *value);
GLvoid (APIENTRYP qglUniform4fvARB) (GLint location, GLsizei count, const GLfloat *value);
GLvoid (APIENTRYP qglUniform1ivARB) (GLint location, GLsizei count, const GLint *value);
GLvoid (APIENTRYP qglUniform2ivARB) (GLint location, GLsizei count, const GLint *value);
GLvoid (APIENTRYP qglUniform3ivARB) (GLint location, GLsizei count, const GLint *value);
GLvoid (APIENTRYP qglUniform4ivARB) (GLint location, GLsizei count, const GLint *value);
GLvoid (APIENTRYP qglUniformMatrix2fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
GLvoid (APIENTRYP qglUniformMatrix3fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
GLvoid (APIENTRYP qglUniformMatrix4fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
GLvoid (APIENTRYP qglGetObjectParameterfvARB) (GLhandleARB obj, GLenum pname, GLfloat *params);
GLvoid (APIENTRYP qglGetObjectParameterivARB) (GLhandleARB obj, GLenum pname, GLint *params);
GLvoid (APIENTRYP qglGetInfoLogARB) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
GLvoid (APIENTRYP qglGetAttachedObjectsARB) (GLhandleARB containerObj, GLsizei maxCount, GLsizei *count,
GLhandleARB *obj);
GLint(APIENTRYP qglGetUniformLocationARB) (GLhandleARB programObj, const GLcharARB * name);
GLvoid (APIENTRYP qglGetActiveUniformARB) (GLhandleARB programObj, GLuint index, GLsizei maxLength,
GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
GLvoid (APIENTRYP qglGetUniformfvARB) (GLhandleARB programObj, GLint location, GLfloat *params);
GLvoid (APIENTRYP qglGetUniformivARB) (GLhandleARB programObj, GLint location, GLint *params);
GLvoid (APIENTRYP qglGetShaderSourceARB) (GLhandleARB obj, GLsizei maxLength, GLsizei *length,
GLcharARB *source);
GLvoid (APIENTRYP qglVertexAttrib1fARB) (GLuint index, GLfloat v0);
GLvoid (APIENTRYP qglVertexAttrib1sARB) (GLuint index, GLshort v0);
GLvoid (APIENTRYP qglVertexAttrib1dARB) (GLuint index, GLdouble v0);
GLvoid (APIENTRYP qglVertexAttrib2fARB) (GLuint index, GLfloat v0, GLfloat v1);
GLvoid (APIENTRYP qglVertexAttrib2sARB) (GLuint index, GLshort v0, GLshort v1);
GLvoid (APIENTRYP qglVertexAttrib2dARB) (GLuint index, GLdouble v0, GLdouble v1);
GLvoid (APIENTRYP qglVertexAttrib3fARB) (GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
GLvoid (APIENTRYP qglVertexAttrib3sARB) (GLuint index, GLshort v0, GLshort v1, GLshort v2);
GLvoid (APIENTRYP qglVertexAttrib3dARB) (GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
GLvoid (APIENTRYP qglVertexAttrib4fARB) (GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
GLvoid (APIENTRYP qglVertexAttrib4sARB) (GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
GLvoid (APIENTRYP qglVertexAttrib4dARB) (GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
GLvoid (APIENTRYP qglVertexAttrib4NubARB) (GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
GLvoid (APIENTRYP qglVertexAttrib1fvARB) (GLuint index, GLfloat *v);
GLvoid (APIENTRYP qglVertexAttrib1svARB) (GLuint index, GLshort *v);
GLvoid (APIENTRYP qglVertexAttrib1dvARB) (GLuint index, GLdouble *v);
GLvoid (APIENTRYP qglVertexAttrib2fvARB) (GLuint index, GLfloat *v);
GLvoid (APIENTRYP qglVertexAttrib2svARB) (GLuint index, GLshort *v);
GLvoid (APIENTRYP qglVertexAttrib2dvARB) (GLuint index, GLdouble *v);
GLvoid (APIENTRYP qglVertexAttrib3fvARB) (GLuint index, GLfloat *v);
GLvoid (APIENTRYP qglVertexAttrib3svARB) (GLuint index, GLshort *v);
GLvoid (APIENTRYP qglVertexAttrib3dvARB) (GLuint index, GLdouble *v);
GLvoid (APIENTRYP qglVertexAttrib4fvARB) (GLuint index, const GLfloat *v);
GLvoid (APIENTRYP qglVertexAttrib4svARB) (GLuint index, GLshort *v);
GLvoid (APIENTRYP qglVertexAttrib4dvARB) (GLuint index, GLdouble *v);
GLvoid (APIENTRYP qglVertexAttrib4ivARB) (GLuint index, GLint *v);
GLvoid (APIENTRYP qglVertexAttrib4bvARB) (GLuint index, GLbyte *v);
GLvoid (APIENTRYP qglVertexAttrib4ubvARB) (GLuint index, GLubyte *v);
GLvoid (APIENTRYP qglVertexAttrib4usvARB) (GLuint index, GLushort *v);
GLvoid (APIENTRYP qglVertexAttrib4uivARB) (GLuint index, GLuint *v);
GLvoid (APIENTRYP qglVertexAttrib4NbvARB) (GLuint index, const GLbyte *v);
GLvoid (APIENTRYP qglVertexAttrib4NsvARB) (GLuint index, const GLshort *v);
GLvoid (APIENTRYP qglVertexAttrib4NivARB) (GLuint index, const GLint *v);
GLvoid (APIENTRYP qglVertexAttrib4NubvARB) (GLuint index, const GLubyte *v);
GLvoid (APIENTRYP qglVertexAttrib4NusvARB) (GLuint index, const GLushort *v);
GLvoid (APIENTRYP qglVertexAttrib4NuivARB) (GLuint index, const GLuint *v);
GLvoid (APIENTRYP qglVertexAttribPointerARB) (GLuint index, GLint size, GLenum type, GLboolean normalized,
GLsizei stride, const GLvoid *pointer);
GLvoid (APIENTRYP qglEnableVertexAttribArrayARB) (GLuint index);
GLvoid (APIENTRYP qglDisableVertexAttribArrayARB) (GLuint index);
GLvoid (APIENTRYP qglBindAttribLocationARB) (GLhandleARB programObj, GLuint index, const GLcharARB *name);
GLvoid (APIENTRYP qglGetActiveAttribARB) (GLhandleARB programObj, GLuint index, GLsizei maxLength,
GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
GLint(APIENTRYP qglGetAttribLocationARB) (GLhandleARB programObj, const GLcharARB * name);
GLvoid (APIENTRYP qglGetVertexAttribdvARB) (GLuint index, GLenum pname, GLdouble *params);
GLvoid (APIENTRYP qglGetVertexAttribfvARB) (GLuint index, GLenum pname, GLfloat *params);
GLvoid (APIENTRYP qglGetVertexAttribivARB) (GLuint index, GLenum pname, GLint *params);
GLvoid (APIENTRYP qglGetVertexAttribPointervARB) (GLuint index, GLenum pname, GLvoid **pointer);
// leilei - paletted texture
GLvoid (APIENTRYP qglColorTableEXT)( GLint, GLint, GLint, GLint, GLint, const GLvoid *);
GLvoid (APIENTRYP qglColorTableSGI)( GLint, GLint, GLint, GLint, GLint, const GLvoid *);
/** From renderer_opengl2 (v28) */
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()
{
vertexShaders = qfalse;
if ( GLimp_HaveExtension( "GL_ARB_shader_objects" )
&& GLimp_HaveExtension( "GL_ARB_fragment_shader" )
&& GLimp_HaveExtension( "GL_ARB_vertex_shader" )
&& GLimp_HaveExtension( "GL_ARB_shading_language_100" ) )
{
if ( r_ext_vertex_shader->integer ) {
ri.Printf( PRINT_ALL, "...using GL_ARB_vertex_shader\n" );
qglDeleteObjectARB = (GLvoid (APIENTRYP)(GLhandleARB)) SDL_GL_GetProcAddress("glDeleteObjectARB");
qglGetHandleARB = (GLhandleARB (APIENTRYP)(GLenum)) SDL_GL_GetProcAddress("glGetHandleARB");
qglDetachObjectARB = (GLvoid (APIENTRYP)(GLhandleARB, GLhandleARB)) SDL_GL_GetProcAddress("glDetachObjectARB");
qglCreateShaderObjectARB = (GLhandleARB (APIENTRYP)(GLenum)) SDL_GL_GetProcAddress("glCreateShaderObjectARB");
qglShaderSourceARB = (GLvoid (APIENTRYP)(GLhandleARB, GLsizei, const GLcharARB **,
const GLint *)) SDL_GL_GetProcAddress("glShaderSourceARB");
qglCompileShaderARB = (GLvoid (APIENTRYP)(GLhandleARB)) SDL_GL_GetProcAddress("glCompileShaderARB");
qglCreateProgramObjectARB = (GLhandleARB (APIENTRYP)(void)) SDL_GL_GetProcAddress("glCreateProgramObjectARB");
qglAttachObjectARB = (GLvoid (APIENTRYP)(GLhandleARB, GLhandleARB)) SDL_GL_GetProcAddress("glAttachObjectARB");
qglLinkProgramARB = (GLvoid (APIENTRYP)(GLhandleARB)) SDL_GL_GetProcAddress("glLinkProgramARB");
qglUseProgramObjectARB = (GLvoid (APIENTRYP)(GLhandleARB)) SDL_GL_GetProcAddress("glUseProgramObjectARB");
qglValidateProgramARB = (GLvoid (APIENTRYP)(GLhandleARB)) SDL_GL_GetProcAddress("glValidateProgramARB");
qglUniform1fARB = (GLvoid (APIENTRYP)(GLint, GLfloat)) SDL_GL_GetProcAddress("glUniform1fARB");
qglUniform2fARB = (GLvoid (APIENTRYP)(GLint, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glUniform2fARB");
qglUniform3fARB = (GLvoid (APIENTRYP)(GLint, GLfloat, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glUniform3fARB");
qglUniform4fARB = (GLvoid (APIENTRYP)(GLint, GLfloat, GLfloat, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glUniform4fARB");
qglUniform1iARB = (GLvoid (APIENTRYP)(GLint, GLint)) SDL_GL_GetProcAddress("glUniform1iARB");
qglUniform2iARB = (GLvoid (APIENTRYP)(GLint, GLint, GLint)) SDL_GL_GetProcAddress("glUniform2iARB");
qglUniform3iARB = (GLvoid (APIENTRYP)(GLint, GLint, GLint, GLint)) SDL_GL_GetProcAddress("glUniform3iARB");
qglUniform4iARB = (GLvoid (APIENTRYP)(GLint, GLint, GLint, GLint, GLint)) SDL_GL_GetProcAddress("glUniform4iARB");
qglUniform1fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLfloat *)) SDL_GL_GetProcAddress("glUniform1fvARB");
qglUniform2fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLfloat *)) SDL_GL_GetProcAddress("glUniform2fvARB");
qglUniform3fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLfloat *)) SDL_GL_GetProcAddress("glUniform3fvARB");
qglUniform4fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLfloat *)) SDL_GL_GetProcAddress("glUniform4fvARB");
qglUniform1ivARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLint *)) SDL_GL_GetProcAddress("glUniform1ivARB");
qglUniform2ivARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLint *)) SDL_GL_GetProcAddress("glUniform2ivARB");
qglUniform3ivARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLint *)) SDL_GL_GetProcAddress("glUniform3ivARB");
qglUniform4ivARB = (GLvoid (APIENTRYP)(GLint, GLsizei, const GLint *)) SDL_GL_GetProcAddress("glUniform4ivARB");
qglUniformMatrix2fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, GLboolean, const GLfloat *)) SDL_GL_GetProcAddress("glUniformMatrix2fvARB");
qglUniformMatrix3fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, GLboolean, const GLfloat *)) SDL_GL_GetProcAddress("glUniformMatrix3fvARB");
qglUniformMatrix4fvARB = (GLvoid (APIENTRYP)(GLint, GLsizei, GLboolean, const GLfloat *)) SDL_GL_GetProcAddress("glUniformMatrix4fvARB");
qglGetObjectParameterfvARB = (GLvoid (APIENTRYP)(GLhandleARB, GLenum, GLfloat *)) SDL_GL_GetProcAddress("glGetObjectParameterfvARB");
qglGetObjectParameterivARB = (GLvoid (APIENTRYP)(GLhandleARB, GLenum, GLint *)) SDL_GL_GetProcAddress("glGetObjectParameterivARB");
qglGetInfoLogARB = (GLvoid (APIENTRYP)(GLhandleARB, GLsizei, GLsizei *, GLcharARB *)) SDL_GL_GetProcAddress("glGetInfoLogARB");
qglGetAttachedObjectsARB = (GLvoid (APIENTRYP)(GLhandleARB, GLsizei, GLsizei *, GLhandleARB *)) SDL_GL_GetProcAddress("glGetAttachedObjectsARB");
qglGetUniformLocationARB = (GLint (APIENTRYP)(GLhandleARB, const GLcharARB *)) SDL_GL_GetProcAddress("glGetUniformLocationARB");
qglGetActiveUniformARB = (GLvoid (APIENTRYP)(GLhandleARB, GLuint, GLsizei, GLsizei *, GLint *, GLenum *, GLcharARB *)) SDL_GL_GetProcAddress("glGetActiveUniformARB");
qglGetUniformfvARB = (GLvoid (APIENTRYP)(GLhandleARB, GLint, GLfloat *)) SDL_GL_GetProcAddress("glGetUniformfvARB");
qglGetUniformivARB = (GLvoid (APIENTRYP)(GLhandleARB, GLint, GLint *)) SDL_GL_GetProcAddress("glGetUniformivARB");
qglGetShaderSourceARB = (GLvoid (APIENTRYP)(GLhandleARB, GLsizei, GLsizei *, GLcharARB *)) SDL_GL_GetProcAddress("glGetShaderSourceARB");
qglVertexAttrib1fARB = (GLvoid (APIENTRYP)(GLuint, GLfloat)) SDL_GL_GetProcAddress("glVertexAttrib1fARB");
qglVertexAttrib1sARB = (GLvoid (APIENTRYP)(GLuint, GLshort)) SDL_GL_GetProcAddress("glVertexAttrib1sARB");
qglVertexAttrib1dARB = (GLvoid (APIENTRYP)(GLuint, GLdouble)) SDL_GL_GetProcAddress("glVertexAttrib1dARB");
qglVertexAttrib2fARB = (GLvoid (APIENTRYP)(GLuint, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glVertexAttrib2fARB");
qglVertexAttrib2sARB = (GLvoid (APIENTRYP)(GLuint, GLshort, GLshort)) SDL_GL_GetProcAddress("glVertexAttrib2sARB");
qglVertexAttrib2dARB = (GLvoid (APIENTRYP)(GLuint, GLdouble, GLdouble)) SDL_GL_GetProcAddress("glVertexAttrib2dARB");
qglVertexAttrib3fARB = (GLvoid (APIENTRYP)(GLuint, GLfloat, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glVertexAttrib3fARB");
qglVertexAttrib3sARB = (GLvoid (APIENTRYP)(GLuint, GLshort, GLshort, GLshort)) SDL_GL_GetProcAddress("glVertexAttrib3sARB");
qglVertexAttrib3dARB = (GLvoid (APIENTRYP)(GLuint, GLdouble, GLdouble, GLdouble)) SDL_GL_GetProcAddress("glVertexAttrib3dARB");
qglVertexAttrib4fARB = (GLvoid (APIENTRYP)(GLuint, GLfloat, GLfloat, GLfloat, GLfloat)) SDL_GL_GetProcAddress("glVertexAttrib4fARB");
qglVertexAttrib4sARB = (GLvoid (APIENTRYP)(GLuint, GLshort, GLshort, GLshort, GLshort)) SDL_GL_GetProcAddress("glVertexAttrib4sARB");
qglVertexAttrib4dARB = (GLvoid (APIENTRYP)(GLuint, GLdouble, GLdouble, GLdouble, GLdouble)) SDL_GL_GetProcAddress("glVertexAttrib4dARB");
qglVertexAttrib4NubARB = (GLvoid (APIENTRYP)(GLuint, GLubyte, GLubyte, GLubyte, GLubyte)) SDL_GL_GetProcAddress("glVertexAttrib4NubARB");
qglVertexAttrib1fvARB = (GLvoid (APIENTRYP)(GLuint, GLfloat *)) SDL_GL_GetProcAddress("glVertexAttrib1fvARB");
qglVertexAttrib1svARB = (GLvoid (APIENTRYP)(GLuint, GLshort *)) SDL_GL_GetProcAddress("glVertexAttrib1svARB");
qglVertexAttrib1dvARB = (GLvoid (APIENTRYP)(GLuint, GLdouble *)) SDL_GL_GetProcAddress("glVertexAttrib1dvARB");
qglVertexAttrib2fvARB = (GLvoid (APIENTRYP)(GLuint, GLfloat *)) SDL_GL_GetProcAddress("glVertexAttrib2fvARB");
qglVertexAttrib2svARB = (GLvoid (APIENTRYP)(GLuint, GLshort *)) SDL_GL_GetProcAddress("glVertexAttrib2svARB");
qglVertexAttrib2dvARB = (GLvoid (APIENTRYP)(GLuint, GLdouble *)) SDL_GL_GetProcAddress("glVertexAttrib2dvARB");
qglVertexAttrib3fvARB = (GLvoid (APIENTRYP)(GLuint, GLfloat *)) SDL_GL_GetProcAddress("glVertexAttrib3fvARB");
qglVertexAttrib3svARB = (GLvoid (APIENTRYP)(GLuint, GLshort *)) SDL_GL_GetProcAddress("glVertexAttrib3svARB");
qglVertexAttrib3dvARB = (GLvoid (APIENTRYP)(GLuint, GLdouble *)) SDL_GL_GetProcAddress("glVertexAttrib3dvARB");
qglVertexAttrib4fvARB = (GLvoid (APIENTRYP)(GLuint, const GLfloat *)) SDL_GL_GetProcAddress("glVertexAttrib4fvARB");
qglVertexAttrib4svARB = (GLvoid (APIENTRYP)(GLuint, GLshort *)) SDL_GL_GetProcAddress("glVertexAttrib4svARB");
qglVertexAttrib4dvARB = (GLvoid (APIENTRYP)(GLuint, GLdouble *)) SDL_GL_GetProcAddress("glVertexAttrib4dvARB");
qglVertexAttrib4ivARB = (GLvoid (APIENTRYP)(GLuint, GLint *)) SDL_GL_GetProcAddress("glVertexAttrib4ivARB");
qglVertexAttrib4bvARB = (GLvoid (APIENTRYP)(GLuint, GLbyte *)) SDL_GL_GetProcAddress("glVertexAttrib4bvARB");
qglVertexAttrib4ubvARB = (GLvoid (APIENTRYP)(GLuint, GLubyte *)) SDL_GL_GetProcAddress("glVertexAttrib4ubvARB");
qglVertexAttrib4usvARB = (GLvoid (APIENTRYP)(GLuint, GLushort *)) SDL_GL_GetProcAddress("glVertexAttrib4usvARB");
qglVertexAttrib4uivARB = (GLvoid (APIENTRYP)(GLuint, GLuint *)) SDL_GL_GetProcAddress("glVertexAttrib4uivARB");
qglVertexAttrib4NbvARB = (GLvoid (APIENTRYP)(GLuint, const GLbyte *)) SDL_GL_GetProcAddress("glVertexAttrib4NbvARB");
qglVertexAttrib4NsvARB = (GLvoid (APIENTRYP)(GLuint, const GLshort *)) SDL_GL_GetProcAddress("glVertexAttrib4NsvARB");
qglVertexAttrib4NivARB = (GLvoid (APIENTRYP)(GLuint, const GLint *)) SDL_GL_GetProcAddress("glVertexAttrib4NivARB");
qglVertexAttrib4NubvARB = (GLvoid (APIENTRYP)(GLuint, const GLubyte *)) SDL_GL_GetProcAddress("glVertexAttrib4NubvARB");
qglVertexAttrib4NusvARB = (GLvoid (APIENTRYP)(GLuint, const GLushort *)) SDL_GL_GetProcAddress("glVertexAttrib4NusvARB");
qglVertexAttrib4NuivARB = (GLvoid (APIENTRYP)(GLuint, const GLuint *)) SDL_GL_GetProcAddress("glVertexAttrib4NuivARB");
qglVertexAttribPointerARB = (GLvoid (APIENTRYP)(GLuint, GLint, GLenum, GLboolean, GLsizei, const GLvoid *)) SDL_GL_GetProcAddress("glVertexAttribPointerARB");
qglEnableVertexAttribArrayARB = (GLvoid (APIENTRYP)(GLuint)) SDL_GL_GetProcAddress("glEnableVertexAttribArrayARB");
qglDisableVertexAttribArrayARB = (GLvoid (APIENTRYP)(GLuint)) SDL_GL_GetProcAddress("glDisableVertexAttribArrayARB");
qglBindAttribLocationARB = (GLvoid (APIENTRYP)(GLhandleARB, GLuint, const GLcharARB *)) SDL_GL_GetProcAddress("glBindAttribLocationARB");
qglGetActiveAttribARB = (GLvoid (APIENTRYP)(GLhandleARB, GLuint, GLsizei, GLsizei *, GLint *, GLenum *, GLcharARB *)) SDL_GL_GetProcAddress("glGetActiveAttribARB");
qglGetAttribLocationARB = (GLint (APIENTRYP)(GLhandleARB, const GLcharARB *)) SDL_GL_GetProcAddress("glGetAttribLocationARB");
qglGetVertexAttribdvARB = (GLvoid (APIENTRYP)(GLuint, GLenum, GLdouble *)) SDL_GL_GetProcAddress("glGetVertexAttribdvARB");
qglGetVertexAttribfvARB = (GLvoid (APIENTRYP)(GLuint, GLenum, GLfloat *)) SDL_GL_GetProcAddress("glGetVertexAttribfvARB");
qglGetVertexAttribivARB = (GLvoid (APIENTRYP)(GLuint, GLenum, GLint *)) SDL_GL_GetProcAddress("glGetVertexAAttribivARB");
qglGetVertexAttribPointervARB = (GLvoid (APIENTRYP)(GLuint, GLenum, GLvoid **)) SDL_GL_GetProcAddress("glGetVertexAttribPointervARB");
vertexShaders = qtrue;
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_vertex_shader\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_ARB_vertex_shader not found\n" );
}
// leilei - paletted texturing
palettedTextureSupport = qfalse;
if ( GLimp_HaveExtension( "GL_EXT_paletted_texture" ) )
{
if ( r_ext_paletted_texture->integer ) {
//qglCompressedTexImage2DARB = (GLvoid (APIENTRYP)(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *)) SDL_GL_GetProcAddress("glCompressedTexImage2DARB");
qglColorTableEXT = (GLvoid (APIENTRYP)(GLint, GLint, GLint, GLint, GLint, const GLvoid *)) SDL_GL_GetProcAddress("glColorTableEXT");
// SGI
qglColorTableSGI = (GLvoid (APIENTRYP)(GLint, GLint, GLint, GLint, GLint, const GLvoid *)) SDL_GL_GetProcAddress("glColorTableSGI");
//qglColorTableEXT = ( void ( APIENTRY * ) ( int, int, int, int, int, const void * ) ) qwglGetProcAddress( "glColorTableEXT" );
{
ri.Printf( PRINT_ALL, "...using GL_EXT_paletted_texture\n");
palettedTextureSupport = qtrue;
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_paletted_texture\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_paletted_texture not found\n" );
}
// XXX This is likely too late to check the com_abnormalExit cvar
if( ri.Cvar_VariableIntegerValue( "com_abnormalExit" ) )
{
ri.Cvar_Set( "r_postprocess", "none");
ri.Cvar_Set( "r_ext_vertex_shader", "0");
}
}
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