/**
Reset the gamma value to 1 when window is unfocused.
*/
static void R_GammaUnfocused(void)
{
if (!com_unfocused->modified || !glConfig.deviceSupportsGamma) {
return;
}
if (com_unfocused->integer && r_gammaUnfocused->integer) {
return;
}
R_IssuePendingRenderCommands();
if (com_unfocused->integer) {
float oldgamma;
oldgamma = r_gamma->value;
ri.Cvar_SetValue("r_gamma", 1.0f);
R_SetColorMappings();
ri.Cvar_SetValue("r_gamma", oldgamma);
r_gamma->modified = qfalse;
} else {
R_SetColorMappings();
}
com_unfocused->modified = qfalse;
}
/*
=============
R_CheckCvars
See if some cvars that we watch have changed
=============
*/
static void R_CheckCvars() {
// gamma stuff
if ( r_gamma.IsModified() || r_brightness.IsModified() ) {
r_gamma.ClearModified();
r_brightness.ClearModified();
R_SetColorMappings();
}
// filtering
if ( r_maxAnisotropicFiltering.IsModified() || r_useTrilinearFiltering.IsModified() || r_lodBias.IsModified() ) {
idLib::Printf( "Updating texture filter parameters.\n" );
r_maxAnisotropicFiltering.ClearModified();
r_useTrilinearFiltering.ClearModified();
r_lodBias.ClearModified();
for ( int i = 0 ; i < globalImages->images.Num() ; i++ ) {
if ( globalImages->images[i] ) {
globalImages->images[i]->Bind();
globalImages->images[i]->SetTexParameters();
}
}
}
extern idCVar r_useSeamlessCubeMap;
if ( r_useSeamlessCubeMap.IsModified() ) {
r_useSeamlessCubeMap.ClearModified();
if ( glConfig.seamlessCubeMapAvailable ) {
if ( r_useSeamlessCubeMap.GetBool() ) {
qglEnable( GL_TEXTURE_CUBE_MAP_SEAMLESS );
} else {
qglDisable( GL_TEXTURE_CUBE_MAP_SEAMLESS );
}
}
}
extern idCVar r_useSRGB;
if ( r_useSRGB.IsModified() ) {
r_useSRGB.ClearModified();
if ( glConfig.sRGBFramebufferAvailable ) {
if ( r_useSRGB.GetBool() ) {
qglEnable( GL_FRAMEBUFFER_SRGB );
} else {
qglDisable( GL_FRAMEBUFFER_SRGB );
}
}
}
if ( r_multiSamples.IsModified() ) {
if ( r_multiSamples.GetInteger() > 0 ) {
qglEnable( GL_MULTISAMPLE_ARB );
} else {
qglDisable( GL_MULTISAMPLE_ARB );
}
}
// check for changes to logging state
GLimp_EnableLogging( r_logFile.GetInteger() != 0 );
}
/*
=============
R_CheckCvars
See if some cvars that we watch have changed
=============
*/
static void R_CheckCvars( void ) {
globalImages->CheckCvars();
// gamma stuff
if ( r_gamma.IsModified() || r_brightness.IsModified() ) {
r_gamma.ClearModified();
r_brightness.ClearModified();
R_SetColorMappings();
}
}
qboolean GLW_ResetFullScreenMode( void )
{
if( !glw_fs_dm.dmSize )
return qfalse;
// restore the last working fullscreen DEVMODE
ChangeDisplaySettings( &glw_fs_dm, CDS_FULLSCREEN );
R_SetColorMappings();
return qtrue;
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame(stereoFrame_t stereoFrame)
{
drawBufferCommand_t *cmd;
if (!tr.registered)
{
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
// texturemode stuff
if (r_textureMode->modified)
{
R_IssuePendingRenderCommands();
GL_TextureMode(r_textureMode->string);
r_textureMode->modified = qfalse;
}
// gamma stuff
if (r_gamma->modified)
{
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if (!r_ignoreGLErrors->integer)
{
int err;
R_IssuePendingRenderCommands();
if ((err = qglGetError()) != GL_NO_ERROR)
{
ri.Error(ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!\n", err);
}
}
// draw buffer stuff
cmd = R_GetCommandBuffer(sizeof(*cmd));
if (!cmd)
{
return;
}
cmd->commandId = RC_DRAW_BUFFER;
cmd->buffer = (int)GL_BACK;
}
/*
=============
R_CheckCvars
See if some cvars that we watch have changed
=============
*/
static void R_CheckCvars( void ) {
globalImages->CheckCvars();
// gamma stuff
if ( r_gamma.IsModified() || r_brightness.IsModified() ) {
r_gamma.ClearModified();
r_brightness.ClearModified();
R_SetColorMappings();
}
// check for changes to logging state
GLimp_EnableLogging( r_logFile.GetInteger() != 0 );
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd = NULL;
colorMaskCommand_t *colcmd = NULL;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer )
{
if ( glConfig.stencilBits < 4 )
{
ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else if ( r_shadows->integer == 2 )
{
ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else
{
R_IssuePendingRenderCommands();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
}
else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_IssuePendingRenderCommands();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
//
// texturemode stuff
//
if ( r_textureMode->modified ) {
R_IssuePendingRenderCommands();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
}
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer )
{
int err;
R_IssuePendingRenderCommands();
if ((err = qglGetError()) != GL_NO_ERROR)
ri.Error(ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!", err);
}
if (glConfig.stereoEnabled) {
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
cmd->commandId = RC_DRAW_BUFFER;
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
}
else
{
if(r_anaglyphMode->integer)
{
if(r_anaglyphMode->modified)
{
// clear both, front and backbuffer.
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
backEnd.colorMask[0] = GL_FALSE;
backEnd.colorMask[1] = GL_FALSE;
backEnd.colorMask[2] = GL_FALSE;
backEnd.colorMask[3] = GL_FALSE;
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
if (glRefConfig.framebufferObject)
{
// clear all framebuffers
if (tr.msaaResolveFbo)
{
FBO_Bind(tr.msaaResolveFbo);
qglClear(GL_COLOR_BUFFER_BIT);
}
if (tr.renderFbo)
{
FBO_Bind(tr.renderFbo);
qglClear(GL_COLOR_BUFFER_BIT);
}
FBO_Bind(NULL);
}
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
r_anaglyphMode->modified = qfalse;
}
if(stereoFrame == STEREO_LEFT)
{
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else if(stereoFrame == STEREO_RIGHT)
{
clearDepthCommand_t *cldcmd;
if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
return;
cldcmd->commandId = RC_CLEARDEPTH;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
colcmd->commandId = RC_COLORMASK;
}
else
{
if(stereoFrame != STEREO_CENTER)
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
}
if(cmd)
{
cmd->commandId = RC_DRAW_BUFFER;
if(r_anaglyphMode->modified)
{
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
backEnd.colorMask[0] = 0;
backEnd.colorMask[1] = 0;
backEnd.colorMask[2] = 0;
backEnd.colorMask[3] = 0;
r_anaglyphMode->modified = qfalse;
}
if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
cmd->buffer = (int)GL_FRONT;
else
cmd->buffer = (int)GL_BACK;
}
}
tr.refdef.stereoFrame = stereoFrame;
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer )
{
if ( glConfig.stencilBits < 4 )
{
ri->Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri->Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else if ( r_shadows->integer == 2 )
{
ri->Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri->Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else
{
R_IssuePendingRenderCommands();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
}
else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_IssuePendingRenderCommands();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
//
// texturemode stuff
//
if ( r_textureMode->modified || r_ext_texture_filter_anisotropic->modified) {
R_IssuePendingRenderCommands();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
r_ext_texture_filter_anisotropic->modified = qfalse;
}
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
R_IssuePendingRenderCommands();
if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
Com_Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!\n", err );
}
}
//
// draw buffer stuff
//
cmd = (drawBufferCommand_t *) R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_DRAW_BUFFER;
if ( glConfig.stereoEnabled ) {
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
Com_Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
} else {
if ( stereoFrame != STEREO_CENTER ) {
Com_Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
}
// if ( !Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) ) {
// cmd->buffer = (int)GL_FRONT;
// } else
{
cmd->buffer = (int)GL_BACK;
}
}
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
backEnd.traceShader = tr.traceShader;
backEnd.doneBloom = qfalse;
backEnd.doneSurfaces = qfalse;
backEnd.sceneZfar = 2048;
tr.traceShader = qfalse;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer )
{
if ( glConfig.stencilBits < 4 )
{
ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else if ( r_shadows->integer == 2 )
{
ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else if ( mme_saveStencil->integer )
{
ri.Printf( PRINT_ALL, "Warning: mme stencil masks and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
}
else
{
R_SyncRenderThread();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
}
else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_SyncRenderThread();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
if ( mme_saveStencil->integer == 1 ) {
R_SyncRenderThread();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 255U, 255U );
qglStencilOp( GL_KEEP, GL_KEEP, GL_ZERO );
backEnd.doingStencil = qfalse;
} else if ( mme_saveStencil->integer == 2 ) {
R_SyncRenderThread();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 255U, 255U );
qglStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
backEnd.doingStencil = qfalse;
} else {
qglDisable( GL_STENCIL_TEST );
}
//
// texturemode stuff
//
if ( r_textureMode->modified ) {
R_SyncRenderThread();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
}
if ( r_anisotropy->modified ) {
R_SyncRenderThread();
GL_Anisotropy( r_anisotropy->integer );
r_anisotropy->modified = qfalse;
}
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_SyncRenderThread();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
R_SyncRenderThread();
if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
ri.Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!\n", err );
}
}
if ( mme_worldShader->modified) {
if (R_FindShaderText( mme_worldShader->string )) {
tr.mmeWorldShader = R_FindShader( mme_worldShader->string, LIGHTMAP_NONE, qtrue );
} else {
tr.mmeWorldShader = 0;
}
mme_worldShader->modified = qfalse;
}
if ( mme_pip->integer ) {
tr.mmeWorldShader = R_FindShader( "mme/pip", -1, qtrue );
}
//
// draw buffer stuff
//
cmd = R_GetCommandBuffer( RC_DRAW_BUFFER, sizeof( *cmd ) );
if ( !cmd ) {
return;
}
if ( glConfig.stereoEnabled ) {
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
} else {
if ( stereoFrame != STEREO_CENTER ) {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
}
if ( !Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) ) {
cmd->buffer = (int)GL_FRONT;
} else {
cmd->buffer = (int)GL_BACK;
}
}
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd = NULL;
colorMaskCommand_t *colcmd = NULL;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer ) {
if ( glConfig.stencilBits < 4 ) {
ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else if ( r_shadows->integer == 2 ) {
ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else
{
R_IssuePendingRenderCommands();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
} else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_IssuePendingRenderCommands();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
//
// texturemode stuff
//
if ( r_textureMode->modified ) {
R_IssuePendingRenderCommands();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
}
//
// ATI stuff
//
// TRUFORM
if ( qglPNTrianglesiATI ) {
// tess
if ( r_ati_truform_tess->modified ) {
r_ati_truform_tess->modified = qfalse;
// cap if necessary
if ( r_ati_truform_tess->value > glConfig.ATIMaxTruformTess ) {
ri.Cvar_Set( "r_ati_truform_tess", va( "%d",glConfig.ATIMaxTruformTess ) );
}
qglPNTrianglesiATI( GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI, r_ati_truform_tess->value );
}
// point mode
if ( r_ati_truform_pointmode->modified ) {
r_ati_truform_pointmode->modified = qfalse;
// GR - shorten the mode name
if ( !Q_stricmp( r_ati_truform_pointmode->string, "LINEAR" ) ) {
glConfig.ATIPointMode = (int)GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI;
// GR - fix point mode change
} else if ( !Q_stricmp( r_ati_truform_pointmode->string, "CUBIC" ) ) {
glConfig.ATIPointMode = (int)GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI;
} else {
// bogus value, set to valid
glConfig.ATIPointMode = (int)GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI;
ri.Cvar_Set( "r_ati_truform_pointmode", "LINEAR" );
}
qglPNTrianglesiATI( GL_PN_TRIANGLES_POINT_MODE_ATI, glConfig.ATIPointMode );
}
// normal mode
if ( r_ati_truform_normalmode->modified ) {
r_ati_truform_normalmode->modified = qfalse;
// GR - shorten the mode name
if ( !Q_stricmp( r_ati_truform_normalmode->string, "LINEAR" ) ) {
glConfig.ATINormalMode = (int)GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI;
// GR - fix normal mode change
} else if ( !Q_stricmp( r_ati_truform_normalmode->string, "QUADRATIC" ) ) {
glConfig.ATINormalMode = (int)GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI;
} else {
// bogus value, set to valid
glConfig.ATINormalMode = (int)GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI;
ri.Cvar_Set( "r_ati_truform_normalmode", "LINEAR" );
}
qglPNTrianglesiATI( GL_PN_TRIANGLES_NORMAL_MODE_ATI, glConfig.ATINormalMode );
}
}
//
// NVidia stuff
//
// fog control
if ( glConfig.NVFogAvailable && r_nv_fogdist_mode->modified ) {
r_nv_fogdist_mode->modified = qfalse;
if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE_ABSOLUTE_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE_ABSOLUTE_NV;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_RADIAL_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
} else {
// in case this was really 'else', store a valid value for next time
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
ri.Cvar_Set( "r_nv_fogdist_mode", "GL_EYE_RADIAL_NV" );
}
}
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
R_IssuePendingRenderCommands();
if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
ri.Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!", err );
}
}
if (glConfig.stereoEnabled) {
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
cmd->commandId = RC_DRAW_BUFFER;
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
}
else
{
if(r_anaglyphMode->integer)
{
if(r_anaglyphMode->modified)
{
// clear both, front and backbuffer.
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
backEnd.colorMask[0] = GL_FALSE;
backEnd.colorMask[1] = GL_FALSE;
backEnd.colorMask[2] = GL_FALSE;
backEnd.colorMask[3] = GL_FALSE;
if (glRefConfig.framebufferObject)
{
// clear all framebuffers
if (tr.msaaResolveFbo)
{
FBO_Bind(tr.msaaResolveFbo);
qglClear(GL_COLOR_BUFFER_BIT);
}
if (tr.renderFbo)
{
FBO_Bind(tr.renderFbo);
qglClear(GL_COLOR_BUFFER_BIT);
}
FBO_Bind(NULL);
}
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
r_anaglyphMode->modified = qfalse;
}
if(stereoFrame == STEREO_LEFT)
{
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else if(stereoFrame == STEREO_RIGHT)
{
clearDepthCommand_t *cldcmd;
if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
return;
cldcmd->commandId = RC_CLEARDEPTH;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
colcmd->commandId = RC_COLORMASK;
}
else
{
if(stereoFrame != STEREO_CENTER)
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
}
if(cmd)
{
cmd->commandId = RC_DRAW_BUFFER;
if(r_anaglyphMode->modified)
{
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
backEnd.colorMask[0] = 0;
backEnd.colorMask[1] = 0;
backEnd.colorMask[2] = 0;
backEnd.colorMask[3] = 0;
r_anaglyphMode->modified = qfalse;
}
if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
cmd->buffer = (int)GL_FRONT;
else
cmd->buffer = (int)GL_BACK;
}
}
tr.refdef.stereoFrame = stereoFrame;
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd = NULL;
colorMaskCommand_t *colcmd = NULL;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer ) {
if ( glConfig.stencilBits < 4 ) {
ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else if ( r_shadows->integer == 2 ) {
ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else
{
R_IssuePendingRenderCommands();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
} else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_IssuePendingRenderCommands();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
//
// texturemode stuff
//
if ( r_textureMode->modified ) {
R_IssuePendingRenderCommands();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
}
//
// NVidia stuff
//
#ifndef VCMODS_OPENGLES
// fog control
if ( glConfig.NVFogAvailable && r_nv_fogdist_mode->modified ) {
r_nv_fogdist_mode->modified = qfalse;
if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE_ABSOLUTE_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE_ABSOLUTE_NV;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_RADIAL_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
} else {
// in case this was really 'else', store a valid value for next time
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
ri.Cvar_Set( "r_nv_fogdist_mode", "GL_EYE_RADIAL_NV" );
}
}
#endif
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
R_IssuePendingRenderCommands();
if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
ri.Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!", err );
}
}
if (glConfig.stereoEnabled) {
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
cmd->commandId = RC_DRAW_BUFFER;
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
}
else
{
if(r_anaglyphMode->integer)
{
if(r_anaglyphMode->modified)
{
// clear both, front and backbuffer.
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
r_anaglyphMode->modified = qfalse;
}
if(stereoFrame == STEREO_LEFT)
{
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else if(stereoFrame == STEREO_RIGHT)
{
clearDepthCommand_t *cldcmd;
if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
return;
cldcmd->commandId = RC_CLEARDEPTH;
if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
return;
}
else
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
colcmd->commandId = RC_COLORMASK;
}
else
{
if(stereoFrame != STEREO_CENTER)
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
return;
}
if(cmd)
{
cmd->commandId = RC_DRAW_BUFFER;
if(r_anaglyphMode->modified)
{
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
r_anaglyphMode->modified = qfalse;
}
if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
cmd->buffer = (int)GL_FRONT;
else
cmd->buffer = (int)GL_BACK;
}
}
tr.refdef.stereoFrame = stereoFrame;
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame(stereoFrame_t stereoFrame)
{
drawBufferCommand_t *cmd;
if (!tr.registered)
{
return;
}
GLimp_LogComment("--- RE_BeginFrame ---\n");
#if defined(USE_D3D10)
// TODO
#else
glState.finishCalled = qfalse;
#endif
tr.frameCount++;
tr.frameSceneNum = 0;
tr.viewCount = 0;
#if defined(USE_D3D10)
// draw buffer stuff
cmd = (drawBufferCommand_t *)R_GetCommandBuffer(sizeof(*cmd));
if (!cmd)
{
return;
}
cmd->commandId = RC_DRAW_BUFFER;
cmd->buffer = 0;
#else
// do overdraw measurement
if (r_measureOverdraw->integer)
{
if (glConfig.stencilBits < 4)
{
ri.Printf(PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits);
ri.Cvar_Set("r_measureOverdraw", "0");
r_measureOverdraw->modified = qfalse;
}
else
{
R_SyncRenderThread();
glEnable(GL_STENCIL_TEST);
glStencilMask(~0U);
GL_ClearStencil(0U);
glStencilFunc(GL_ALWAYS, 0U, ~0U);
glStencilOp(GL_KEEP, GL_INCR, GL_INCR);
}
r_measureOverdraw->modified = qfalse;
}
else
{
// this is only reached if it was on and is now off
if (r_measureOverdraw->modified)
{
R_SyncRenderThread();
glDisable(GL_STENCIL_TEST);
}
r_measureOverdraw->modified = qfalse;
}
// texturemode stuff
if (r_textureMode->modified)
{
R_SyncRenderThread();
GL_TextureMode(r_textureMode->string);
r_textureMode->modified = qfalse;
}
// gamma stuff
if (r_gamma->modified)
{
r_gamma->modified = qfalse;
if (!glConfig.deviceSupportsGamma)
{
Com_Printf("r_gamma will be changed upon restarting.\n");
}
else
{
R_SyncRenderThread();
R_SetColorMappings();
}
}
// check for errors
if (!r_ignoreGLErrors->integer)
{
int err;
char s[128];
R_SyncRenderThread();
if ((err = glGetError()) != GL_NO_ERROR)
{
switch (err)
{
case GL_INVALID_ENUM:
strcpy(s, "GL_INVALID_ENUM");
break;
case GL_INVALID_VALUE:
strcpy(s, "GL_INVALID_VALUE");
break;
case GL_INVALID_OPERATION:
strcpy(s, "GL_INVALID_OPERATION");
break;
case GL_STACK_OVERFLOW:
strcpy(s, "GL_STACK_OVERFLOW");
break;
case GL_STACK_UNDERFLOW:
strcpy(s, "GL_STACK_UNDERFLOW");
break;
case GL_OUT_OF_MEMORY:
strcpy(s, "GL_OUT_OF_MEMORY");
break;
case GL_TABLE_TOO_LARGE:
strcpy(s, "GL_TABLE_TOO_LARGE");
break;
case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
strcpy(s, "GL_INVALID_FRAMEBUFFER_OPERATION_EXT");
break;
default:
Com_sprintf(s, sizeof(s), "0x%X", err);
break;
}
//ri.Error(ERR_FATAL, "caught OpenGL error: %s in file %s line %i", s, filename, line);
ri.Error(ERR_FATAL, "RE_BeginFrame() - glGetError() failed (%s)!\n", s);
}
}
// draw buffer stuff
cmd = (drawBufferCommand_t *)R_GetCommandBuffer(sizeof(*cmd));
if (!cmd)
{
return;
}
cmd->commandId = RC_DRAW_BUFFER;
if (glConfig.stereoEnabled)
{
if (stereoFrame == STEREO_LEFT)
{
cmd->buffer = (int)GL_BACK_LEFT;
}
else if (stereoFrame == STEREO_RIGHT)
{
cmd->buffer = (int)GL_BACK_RIGHT;
}
else
{
ri.Error(ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame);
}
}
else
{
if (stereoFrame != STEREO_CENTER)
{
ri.Error(ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame);
}
if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
{
cmd->buffer = (int)GL_FRONT;
}
else
{
cmd->buffer = (int)GL_BACK;
}
}
#endif
}
/*
====================
RE_BeginFrame
If running in stereo, RE_BeginFrame will be called twice
for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd;
if ( !tr.registered ) {
return;
}
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
//
// do overdraw measurement
//
if ( r_measureOverdraw->integer ) {
if ( glConfig.stencilBits < 4 ) {
ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else if ( r_shadows->integer == 2 ) {
ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
ri.Cvar_Set( "r_measureOverdraw", "0" );
r_measureOverdraw->modified = qfalse;
} else
{
R_SyncRenderThread();
qglEnable( GL_STENCIL_TEST );
qglStencilMask( ~0U );
qglClearStencil( 0U );
qglStencilFunc( GL_ALWAYS, 0U, ~0U );
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
}
r_measureOverdraw->modified = qfalse;
} else
{
// this is only reached if it was on and is now off
if ( r_measureOverdraw->modified ) {
R_SyncRenderThread();
qglDisable( GL_STENCIL_TEST );
}
r_measureOverdraw->modified = qfalse;
}
//
// texturemode stuff
//
if ( r_textureMode->modified ) {
R_SyncRenderThread();
GL_TextureMode( r_textureMode->string );
r_textureMode->modified = qfalse;
}
//
// NVidia stuff
//
// fog control
if ( glConfig.NVFogAvailable && r_nv_fogdist_mode->modified ) {
r_nv_fogdist_mode->modified = qfalse;
if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE_ABSOLUTE_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE_ABSOLUTE_NV;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_PLANE" ) ) {
glConfig.NVFogMode = (int)GL_EYE_PLANE;
} else if ( !Q_stricmp( r_nv_fogdist_mode->string, "GL_EYE_RADIAL_NV" ) ) {
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
} else {
// in case this was really 'else', store a valid value for next time
glConfig.NVFogMode = (int)GL_EYE_RADIAL_NV;
ri.Cvar_Set( "r_nv_fogdist_mode", "GL_EYE_RADIAL_NV" );
}
}
//
// gamma stuff
//
if ( r_gamma->modified ) {
r_gamma->modified = qfalse;
R_SyncRenderThread();
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
R_SyncRenderThread();
if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
ri.Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!\n", err );
}
}
//
// draw buffer stuff
//
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_DRAW_BUFFER;
if ( glConfig.stereoEnabled ) {
if ( stereoFrame == STEREO_LEFT ) {
cmd->buffer = (int)GL_BACK_LEFT;
} else if ( stereoFrame == STEREO_RIGHT ) {
cmd->buffer = (int)GL_BACK_RIGHT;
} else {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
}
} else {
if ( stereoFrame != STEREO_CENTER ) {
ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
}
if ( !Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) ) {
cmd->buffer = (int)GL_FRONT;
} else {
cmd->buffer = (int)GL_BACK;
}
}
}
/**
* @brief Will be called once for each RE_EndFrame
*/
void RE_BeginFrame()
{
drawBufferCommand_t *cmd;
if (!tr.registered)
{
return;
}
Ren_LogComment("--- RE_BeginFrame ---\n");
glState.finishCalled = qfalse;
tr.frameCount++;
tr.frameSceneNum = 0;
tr.viewCount = 0;
// do overdraw measurement
if (r_measureOverdraw->integer)
{
if (glConfig.stencilBits < 4)
{
Ren_Print("Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits);
ri.Cvar_Set("r_measureOverdraw", "0");
}
else if (r_shadows->integer == 2)
{
Ren_Print("Warning: stencil shadows and overdraw measurement are mutually exclusive\n");
ri.Cvar_Set("r_measureOverdraw", "0");
}
else
{
R_IssuePendingRenderCommands();
glEnable(GL_STENCIL_TEST);
glStencilMask(~0U);
GL_ClearStencil(0U);
glStencilFunc(GL_ALWAYS, 0U, ~0U);
glStencilOp(GL_KEEP, GL_INCR, GL_INCR);
}
r_measureOverdraw->modified = qfalse;
}
else
{
// this is only reached if it was on and is now off
if (r_measureOverdraw->modified)
{
R_IssuePendingRenderCommands();
glDisable(GL_STENCIL_TEST);
}
r_measureOverdraw->modified = qfalse;
}
// texturemode stuff
if (r_textureMode->modified)
{
R_IssuePendingRenderCommands();
GL_TextureMode(r_textureMode->string);
r_textureMode->modified = qfalse;
}
// gamma stuff
if (r_gamma->modified)
{
r_gamma->modified = qfalse;
R_IssuePendingRenderCommands();
R_SetColorMappings();
}
// check for errors
if (!r_ignoreGLErrors->integer)
{
int err;
char s[128];
R_IssuePendingRenderCommands();
if ((err = glGetError()) != GL_NO_ERROR)
{
switch (err)
{
case GL_INVALID_ENUM:
Q_strcpy(s, "GL_INVALID_ENUM");
break;
case GL_INVALID_VALUE:
Q_strcpy(s, "GL_INVALID_VALUE");
break;
case GL_INVALID_OPERATION:
Q_strcpy(s, "GL_INVALID_OPERATION");
break;
case GL_STACK_OVERFLOW:
Q_strcpy(s, "GL_STACK_OVERFLOW");
break;
case GL_STACK_UNDERFLOW:
Q_strcpy(s, "GL_STACK_UNDERFLOW");
break;
case GL_OUT_OF_MEMORY:
Q_strcpy(s, "GL_OUT_OF_MEMORY");
break;
case GL_TABLE_TOO_LARGE:
Q_strcpy(s, "GL_TABLE_TOO_LARGE");
break;
case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
Q_strcpy(s, "GL_INVALID_FRAMEBUFFER_OPERATION_EXT");
break;
default:
Com_sprintf(s, sizeof(s), "0x%X", err);
break;
}
//Ren_Fatal( "caught OpenGL error: %s in file %s line %i", s, filename, line);
Ren_Fatal("RE_BeginFrame() - glGetError() failed (%s)!\n", s);
}
}
// draw buffer stuff
cmd = (drawBufferCommand_t *)R_GetCommandBuffer(sizeof(*cmd));
if (!cmd)
{
return;
}
cmd->commandId = RC_DRAW_BUFFER;
if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
{
cmd->buffer = (int)GL_FRONT;
}
else
{
cmd->buffer = (int)GL_BACK;
}
}
