static void GLW_AttemptFSAA()
{
static const float ar[] = { 0, 0 };
// ignore r_xyzbits vars - FSAA requires 32-bit color, and anyone using it is implicitly on decent HW
static int anAttributes[] = {
WGL_DRAW_TO_WINDOW_ARB, GL_TRUE,
WGL_SUPPORT_OPENGL_ARB, GL_TRUE,
WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB,
WGL_DOUBLE_BUFFER_ARB, GL_TRUE,
WGL_COLOR_BITS_ARB, 32,
WGL_ALPHA_BITS_ARB, 0,
WGL_DEPTH_BITS_ARB, 24,
WGL_STENCIL_BITS_ARB, 8,
WGL_SAMPLE_BUFFERS_ARB, GL_TRUE,
WGL_SAMPLES_ARB, 4,
0, 0
};
qwglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)qwglGetProcAddress( "wglChoosePixelFormatARB" );
if (!r_ext_multisample->integer || !qwglChoosePixelFormatARB) {
glDisable(GL_MULTISAMPLE_ARB);
return;
}
int iPFD;
UINT cPFD;
anAttributes[19] = r_ext_multisample->integer; // !!! UGH
if (!qwglChoosePixelFormatARB(glw_state.hDC, anAttributes, ar, 1, &iPFD, &cPFD) || !cPFD)
return;
// now bounce the ENTIRE f*****g subsystem thanks to WGL stupidity
// we can't use GLimp_Shutdown() for this, because that does CDS poking that we don't want
assert( glw_state.hGLRC && glw_state.hDC && g_wv.hWnd );
qwglMakeCurrent( glw_state.hDC, NULL );
if ( glw_state.hGLRC ) {
qwglDeleteContext( glw_state.hGLRC );
glw_state.hGLRC = NULL;
}
if ( glw_state.hDC ) {
ReleaseDC( g_wv.hWnd, glw_state.hDC );
glw_state.hDC = NULL;
}
if ( g_wv.hWnd ) {
DestroyWindow( g_wv.hWnd );
g_wv.hWnd = NULL;
}
ri.Printf( PRINT_ALL, "...enabling FSAA\n" );
glw_state.nPendingPF = iPFD;
glw_state.pixelFormatSet = qfalse;
GLW_CreateWindow( glConfig.vidWidth, glConfig.vidHeight, glConfig.colorBits );
glw_state.nPendingPF = 0;
glEnable(GL_MULTISAMPLE_ARB);
}
void *VID_GetProcAddr(const char *sym)
{
if (qwglGetProcAddress)
return (void *)qwglGetProcAddress(sym);
return NULL;
}
/*
===================
GLimp_ExtensionPointer
Returns a function pointer for an OpenGL extension entry point
===================
*/
GLExtension_t GLimp_ExtensionPointer( const char *name ) {
void (*proc)(void);
proc = (GLExtension_t)qwglGetProcAddress( name );
if ( !proc ) {
common->Printf( "Couldn't find proc address for: %s\n", name );
}
return proc;
}
static void GLW_InitExtensions()
{
ri.Printf( PRINT_DEVELOPER, "Initializing OpenGL extensions\n" );
#define QGL_EXT(T, fn) q##fn = (T)qwglGetProcAddress( #fn ); \
if (!q##fn) Com_Error( ERR_FATAL, "QGL_EXT: required extension "#fn" not found" );
QGL_EXT( PFNGLLOCKARRAYSEXTPROC, glLockArraysEXT );
QGL_EXT( PFNGLUNLOCKARRAYSEXTPROC, glUnlockArraysEXT );
QGL_EXT( PFNGLACTIVETEXTUREARBPROC, glActiveTextureARB );
QGL_EXT( PFNGLCLIENTACTIVETEXTUREARBPROC, glClientActiveTextureARB );
#undef QGL_EXT
// WGL_EXT_swap_control
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
if ( qwglSwapIntervalEXT )
{
ri.Printf( PRINT_DEVELOPER, "...using WGL_EXT_swap_control\n" );
r_swapInterval->modified = qtrue; // force a set next frame
}
else
{
ri.Printf( PRINT_DEVELOPER, "...WGL_EXT_swap_control not found\n" );
}
int maxAnisotropy = 0;
if ( strstr( glConfig.extensions_string, "GL_EXT_texture_filter_anisotropic" ) )
{
if (r_ext_max_anisotropy->integer > 1) {
qglGetIntegerv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy );
if ( maxAnisotropy <= 0 ) {
ri.Printf( PRINT_DEVELOPER, "...GL_EXT_texture_filter_anisotropic not properly supported!\n" );
maxAnisotropy = 0;
}
else
{
ri.Printf( PRINT_DEVELOPER, "...using GL_EXT_texture_filter_anisotropic (max: %i)\n", maxAnisotropy );
}
}
else
{
ri.Printf( PRINT_DEVELOPER, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
}
}
else
{
ri.Printf( PRINT_DEVELOPER, "...GL_EXT_texture_filter_anisotropic not found\n" );
}
Cvar_Set( "r_ext_max_anisotropy", va("%i", maxAnisotropy) );
}
void *VID_GetProcAddr(const char *sym)
{
void *entry;
if (qwglGetProcAddress)
entry = (void *)qwglGetProcAddress(sym);
else
entry = NULL;
if (!entry)
Com_EPrintf("Couldn't get OpenGL entry point: %s\n", sym);
return entry;
}
/*
** GLW_InitExtensions
*/
static void GLW_InitExtensions( void )
{
if ( !r_allowExtensions->integer )
{
ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
return;
}
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
// GL_S3_s3tc
glConfig.textureCompression = TC_NONE;
if ( strstr( glConfig.extensions_string, "GL_S3_s3tc" ) )
{
if ( r_ext_compressed_textures->integer )
{
glConfig.textureCompression = TC_S3TC;
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
}
else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_S3_s3tc not found\n" );
}
// GL_EXT_texture_env_add
glConfig.textureEnvAddAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "EXT_texture_env_add" ) )
{
if ( r_ext_texture_env_add->integer )
{
glConfig.textureEnvAddAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
}
else
{
glConfig.textureEnvAddAvailable = qfalse;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
}
// WGL_EXT_swap_control
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
if ( qwglSwapIntervalEXT )
{
ri.Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
r_swapInterval->modified = qtrue; // force a set next frame
}
else
{
ri.Printf( PRINT_ALL, "...WGL_EXT_swap_control not found\n" );
}
// GL_ARB_multitexture
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
if ( strstr( glConfig.extensions_string, "GL_ARB_multitexture" ) )
{
if ( r_ext_multitexture->integer )
{
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) qwglGetProcAddress( "glMultiTexCoord2fARB" );
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glActiveTextureARB" );
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glClientActiveTextureARB" );
if ( qglActiveTextureARB )
{
qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glConfig.maxActiveTextures );
if ( glConfig.maxActiveTextures > 1 )
{
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
}
else
{
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
}
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
}
// GL_EXT_compiled_vertex_array
qglLockArraysEXT = NULL;
qglUnlockArraysEXT = NULL;
if ( strstr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) && ( glConfig.hardwareType != GLHW_RIVA128 ) )
{
if ( r_ext_compiled_vertex_array->integer )
{
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) ) qwglGetProcAddress( "glLockArraysEXT" );
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) qwglGetProcAddress( "glUnlockArraysEXT" );
if (!qglLockArraysEXT || !qglUnlockArraysEXT) {
ri.Error (ERR_FATAL, "bad getprocaddress");
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
}
// WGL_3DFX_gamma_control
qwglGetDeviceGammaRamp3DFX = NULL;
qwglSetDeviceGammaRamp3DFX = NULL;
if ( strstr( glConfig.extensions_string, "WGL_3DFX_gamma_control" ) )
{
if ( !r_ignorehwgamma->integer && r_ext_gamma_control->integer )
{
qwglGetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) ) qwglGetProcAddress( "wglGetDeviceGammaRamp3DFX" );
qwglSetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) ) qwglGetProcAddress( "wglSetDeviceGammaRamp3DFX" );
if ( qwglGetDeviceGammaRamp3DFX && qwglSetDeviceGammaRamp3DFX )
{
ri.Printf( PRINT_ALL, "...using WGL_3DFX_gamma_control\n" );
}
else
{
qwglGetDeviceGammaRamp3DFX = NULL;
qwglSetDeviceGammaRamp3DFX = NULL;
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring WGL_3DFX_gamma_control\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...WGL_3DFX_gamma_control not found\n" );
}
glConfig.textureFilterAnisotropic = qfalse;
if ( strstr( glConfig.extensions_string, "GL_EXT_texture_filter_anisotropic" ) )
{
if ( r_ext_texture_filter_anisotropic->integer ) {
qglGetIntegerv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glConfig.maxAnisotropy );
if ( glConfig.maxAnisotropy <= 0 ) {
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not properly supported!\n" );
glConfig.maxAnisotropy = 0;
}
else
{
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic (max: %i)\n", glConfig.maxAnisotropy );
glConfig.textureFilterAnisotropic = qtrue;
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not found\n" );
}
}
/*
** GLW_InitExtensions
*/
static void GLW_InitExtensions( void )
{
// Use modern texture compression extensions
if ( strstr( glConfig.extensions_string, "ARB_texture_compression" ) && strstr( glConfig.extensions_string, "EXT_texture_compression_s3tc" ) )
{
if ( r_ext_compressed_textures->value )
{
glConfig.textureCompression = TC_S3TC_DXT;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_compression_s3tc\n" );
}
else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_compression_s3tc\n" );
}
}
// Or check for old ones
else if ( strstr( glConfig.extensions_string, "GL_S3_s3tc" ) )
{
if ( r_ext_compressed_textures->value )
{
glConfig.textureCompression = TC_S3TC;
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
}
else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
}
}
else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...no texture compression found\n" );
}
#if 0
// WGL_EXT_swap_control
if ( strstr( glConfig.extensions_string, "WGL_EXT_swap_control" ) )
{
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
ri.Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
}
else
{
ri.Printf( PRINT_ALL, "...WGL_EXT_swap_control not found\n" );
}
#endif
// GL_ARB_multitexture
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
if ( strstr( glConfig.extensions_string, "GL_ARB_multitexture" ) )
{
if ( r_ext_multitexture->value )
{
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) dlsym( glw_state.OpenGLLib, "glMultiTexCoord2fARB" );
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) dlsym( glw_state.OpenGLLib, "glActiveTextureARB" );
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) dlsym( glw_state.OpenGLLib, "glClientActiveTextureARB" );
if ( qglActiveTextureARB )
{
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
}
else
{
ri.Printf( PRINT_ALL, "...blind search for ARB_multitexture failed\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
}
// GL_EXT_texture_filter_anisotropic
glConfig.textureFilterAnisotropicAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "EXT_texture_filter_anisotropic" ) )
{
glConfig.textureFilterAnisotropicAvailable = qtrue;
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic available\n" );
if ( r_ext_texture_filter_anisotropic->integer )
{
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic\n" );
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
}
ri.Cvar_Set( "r_ext_texture_filter_anisotropic_avail", "1" );
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not found\n" );
ri.Cvar_Set( "r_ext_texture_filter_anisotropic_avail", "0" );
}
// GL_EXT_compiled_vertex_array
if ( strstr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) )
{
if ( r_ext_compiled_vertex_array->value )
{
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) ) dlsym( glw_state.OpenGLLib, "glLockArraysEXT" );
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) dlsym( glw_state.OpenGLLib, "glUnlockArraysEXT" );
if (!qglLockArraysEXT || !qglUnlockArraysEXT) {
ri.Error (ERR_FATAL, "bad getprocaddress");
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
}
}
/*
** GLW_InitExtensions
*/
static void GLW_InitExtensions( void ) {
if ( !r_allowExtensions->integer ) {
ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
return;
}
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
// GL_S3_s3tc
glConfig.textureCompression = TC_NONE;
// RF, check for GL_EXT_texture_compression_s3tc
if ( strstr( glConfig.extensions_string, "GL_EXT_texture_compression_s3tc" ) ) {
if ( r_ext_compressed_textures->integer ) {
glConfig.textureCompression = TC_EXT_COMP_S3TC;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_compression_s3tc\n" );
} else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_compression_s3tc\n" );
}
}
/* RF, disabled this section, since this method produces very ugly results on nvidia hardware
else if ( strstr( glConfig.extensions_string, "GL_S3_s3tc" ) )
{
if ( r_ext_compressed_textures->integer )
{
glConfig.textureCompression = TC_S3TC;
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
}
else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
}
}
*/
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_compression_s3tc not found\n" );
}
// GL_EXT_texture_env_add
glConfig.textureEnvAddAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "EXT_texture_env_add" ) ) {
if ( r_ext_texture_env_add->integer ) {
glConfig.textureEnvAddAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
} else
{
glConfig.textureEnvAddAvailable = qfalse;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
}
// WGL_EXT_swap_control
qwglSwapIntervalEXT = ( BOOL ( WINAPI * )(int) )qwglGetProcAddress( "wglSwapIntervalEXT" );
if ( qwglSwapIntervalEXT ) {
ri.Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
r_swapInterval->modified = qtrue; // force a set next frame
} else
{
ri.Printf( PRINT_ALL, "...WGL_EXT_swap_control not found\n" );
}
// GL_ARB_multitexture
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
if ( strstr( glConfig.extensions_string, "GL_ARB_multitexture" ) ) {
if ( r_ext_multitexture->integer ) {
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) qwglGetProcAddress( "glMultiTexCoord2fARB" );
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glActiveTextureARB" );
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glClientActiveTextureARB" );
if ( qglActiveTextureARB ) {
qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glConfig.maxActiveTextures );
if ( glConfig.maxActiveTextures > 1 ) {
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
} else
{
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
}
}
} else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
}
// GL_EXT_compiled_vertex_array
qglLockArraysEXT = NULL;
qglUnlockArraysEXT = NULL;
if ( strstr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) && ( glConfig.hardwareType != GLHW_RIVA128 ) ) {
if ( r_ext_compiled_vertex_array->integer ) {
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) )qwglGetProcAddress( "glLockArraysEXT" );
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) )qwglGetProcAddress( "glUnlockArraysEXT" );
if ( !qglLockArraysEXT || !qglUnlockArraysEXT ) {
ri.Error( ERR_FATAL, "bad getprocaddress" );
}
} else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
}
// WGL_3DFX_gamma_control
qwglGetDeviceGammaRamp3DFX = NULL;
qwglSetDeviceGammaRamp3DFX = NULL;
if ( strstr( glConfig.extensions_string, "WGL_3DFX_gamma_control" ) ) {
if ( !r_ignorehwgamma->integer && r_ext_gamma_control->integer ) {
qwglGetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) )qwglGetProcAddress( "wglGetDeviceGammaRamp3DFX" );
qwglSetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) )qwglGetProcAddress( "wglSetDeviceGammaRamp3DFX" );
if ( qwglGetDeviceGammaRamp3DFX && qwglSetDeviceGammaRamp3DFX ) {
ri.Printf( PRINT_ALL, "...using WGL_3DFX_gamma_control\n" );
} else
{
qwglGetDeviceGammaRamp3DFX = NULL;
qwglSetDeviceGammaRamp3DFX = NULL;
}
} else
{
ri.Printf( PRINT_ALL, "...ignoring WGL_3DFX_gamma_control\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...WGL_3DFX_gamma_control not found\n" );
}
// GL_NV_fog_distance
if ( strstr( glConfig.extensions_string, "GL_NV_fog_distance" ) ) {
if ( r_ext_NV_fog_dist->integer ) {
glConfig.NVFogAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_NV_fog_distance\n" );
} else {
ri.Printf( PRINT_ALL, "...ignoring GL_NV_fog_distance\n" );
ri.Cvar_Set( "r_ext_NV_fog_dist", "0" );
}
} else {
ri.Printf( PRINT_ALL, "...GL_NV_fog_distance not found\n" );
ri.Cvar_Set( "r_ext_NV_fog_dist", "0" );
}
}
/*
** GLW_InitExtensions
*/
static void GLW_InitExtensions( void )
{
if ( !r_allowExtensions->integer )
{
ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
return;
}
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
// Select our tc scheme
GLW_InitTextureCompression();
// GL_EXT_texture_env_add
glConfig.textureEnvAddAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "EXT_texture_env_add" ) )
{
if ( r_ext_texture_env_add->integer )
{
glConfig.textureEnvAddAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
}
else
{
glConfig.textureEnvAddAvailable = qfalse;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
}
// GL_EXT_texture_filter_anisotropic
glConfig.textureFilterAnisotropicAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "EXT_texture_filter_anisotropic" ) )
{
glConfig.textureFilterAnisotropicAvailable = qtrue;
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic available\n" );
if ( r_ext_texture_filter_anisotropic->integer )
{
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic\n" );
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
}
ri.Cvar_Set( "r_ext_texture_filter_anisotropic_avail", "1" );
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not found\n" );
ri.Cvar_Set( "r_ext_texture_filter_anisotropic_avail", "0" );
}
// GL_EXT_clamp_to_edge
glConfig.clampToEdgeAvailable = qfalse;
if ( strstr( glConfig.extensions_string, "GL_EXT_texture_edge_clamp" ) )
{
glConfig.clampToEdgeAvailable = qtrue;
ri.Printf( PRINT_ALL, "...Using GL_EXT_texture_edge_clamp\n" );
}
// WGL_EXT_swap_control
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
if ( qwglSwapIntervalEXT )
{
ri.Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
r_swapInterval->modified = qtrue; // force a set next frame
}
else
{
ri.Printf( PRINT_ALL, "...WGL_EXT_swap_control not found\n" );
}
// GL_ARB_multitexture
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
if ( strstr( glConfig.extensions_string, "GL_ARB_multitexture" ) )
{
if ( r_ext_multitexture->integer )
{
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) qwglGetProcAddress( "glMultiTexCoord2fARB" );
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glActiveTextureARB" );
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glClientActiveTextureARB" );
if ( qglActiveTextureARB )
{
qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glConfig.maxActiveTextures );
if ( glConfig.maxActiveTextures > 1 )
{
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
}
else
{
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
}
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
}
// GL_EXT_compiled_vertex_array
qglLockArraysEXT = NULL;
qglUnlockArraysEXT = NULL;
if ( strstr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) )
{
if ( r_ext_compiled_vertex_array->integer )
{
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) ) qwglGetProcAddress( "glLockArraysEXT" );
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) qwglGetProcAddress( "glUnlockArraysEXT" );
if (!qglLockArraysEXT || !qglUnlockArraysEXT) {
ri.Error (ERR_FATAL, "bad getprocaddress");
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
}
qglPointParameterfEXT = NULL;
qglPointParameterfvEXT = NULL;
if ( strstr( glConfig.extensions_string, "GL_EXT_point_parameters" ) )
{
if ( r_ext_compiled_vertex_array->integer || 1)
{
ri.Printf( PRINT_ALL, "...using GL_EXT_point_parameters\n" );
qglPointParameterfEXT = ( void ( APIENTRY * )( GLenum, GLfloat) ) qwglGetProcAddress( "glPointParameterfEXT" );
qglPointParameterfvEXT = ( void ( APIENTRY * )( GLenum, GLfloat *) ) qwglGetProcAddress( "glPointParameterfvEXT" );
if (!qglPointParameterfEXT || !qglPointParameterfvEXT)
{
ri.Error (ERR_FATAL, "bad getprocaddress");
}
}
else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_point_parameters\n" );
}
}
else
{
ri.Printf( PRINT_ALL, "...GL_EXT_point_parameters not found\n" );
}
}