本文整理汇总了C++中qglColorMask函数的典型用法代码示例。如果您正苦于以下问题：C++ qglColorMask函数的具体用法？C++ qglColorMask怎么用？C++ qglColorMask使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了qglColorMask函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: GLRB_ShadowSilhouette
void GLRB_ShadowSilhouette( const float* edges, int edgeCount )
{
GL_Bind( tr.whiteImage );
qglEnable( GL_CULL_FACE );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
qglColor3f( 0.2f, 0.2f, 0.2f );
// don't write to the color buffer
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
qglEnable( GL_STENCIL_TEST );
qglStencilFunc( GL_ALWAYS, 1, 255 );
// mirrors have the culling order reversed
GL_Cull( CT_BACK_SIDED ); // @pjb: resolves to GL_FRONT if to mirror flag is set
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
RenderShadowEdges( edges, edgeCount );
GL_Cull( CT_FRONT_SIDED ); // @pjb: resolves to GL_BACK due to mirror flag is set
qglStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
RenderShadowEdges( edges, edgeCount );
// reenable writing to the color buffer
qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
}
开发者ID:Avatarchik，项目名称:Quake-III-Arena-D3D11，代码行数:27，代码来源:gl_shadows.c
示例2: RB_SetDefaultGLState
/*
======================
RB_SetDefaultGLState
This should initialize all GL state that any part of the entire program
may touch, including the editor.
======================
*/
void RB_SetDefaultGLState( void ) {
int i;
RB_LogComment( "--- R_SetDefaultGLState ---\n" );
qglClearDepth( 1.0f );
qglColor4f (1,1,1,1);
// the vertex array is always enabled
qglEnableClientState( GL_VERTEX_ARRAY );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglDisableClientState( GL_COLOR_ARRAY );
//
// make sure our GL state vector is set correctly
//
memset( &backEnd.glState, 0, sizeof( backEnd.glState ) );
backEnd.glState.forceGlState = true;
qglColorMask( 1, 1, 1, 1 );
qglEnable( GL_DEPTH_TEST );
qglEnable( GL_BLEND );
qglEnable( GL_SCISSOR_TEST );
qglEnable( GL_CULL_FACE );
qglDisable( GL_LIGHTING );
qglDisable( GL_LINE_STIPPLE );
qglDisable( GL_STENCIL_TEST );
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglDepthMask( GL_TRUE );
qglDepthFunc( GL_ALWAYS );
qglCullFace( GL_FRONT_AND_BACK );
qglShadeModel( GL_SMOOTH );
if ( r_useScissor.GetBool() ) {
qglScissor( 0, 0, glConfig.vidWidth, glConfig.vidHeight );
}
for ( i = glConfig.maxTextureUnits - 1 ; i >= 0 ; i-- ) {
GL_SelectTexture( i );
// object linear texgen is our default
qglTexGenf( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
qglTexGenf( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
qglTexGenf( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
qglTexGenf( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
GL_TexEnv( GL_MODULATE );
qglDisable( GL_TEXTURE_2D );
if ( glConfig.texture3DAvailable ) {
qglDisable( GL_TEXTURE_3D );
}
if ( glConfig.cubeMapAvailable ) {
qglDisable( GL_TEXTURE_CUBE_MAP_EXT );
}
}
}
开发者ID:albertz，项目名称:iodoom3，代码行数:67，代码来源:tr_backend.cpp
示例3: GL_SetDefaultState
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearDepth( 1.0f );
qglCullFace(GL_FRONT);
qglColor4f (1,1,1,1);
// initialize downstream texture unit if we're running
// in a multitexture environment
if ( qglActiveTextureARB ) {
GL_SelectTexture( 1 );
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture( 0 );
}
qglEnable(GL_TEXTURE_2D);
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglShadeModel( GL_SMOOTH );
qglDepthFunc( GL_LEQUAL );
// the vertex array is always enabled, but the color and texture
// arrays are enabled and disabled around the compiled vertex array call
qglEnableClientState (GL_VERTEX_ARRAY);
//
// make sure our GL state vector is set correctly
//
glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglDepthMask( GL_TRUE );
qglDisable( GL_DEPTH_TEST );
qglEnable( GL_SCISSOR_TEST );
qglDisable( GL_CULL_FACE );
qglDisable( GL_BLEND );
qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
qglClearDepth( 1.0 );
qglDrawBuffer( GL_FRONT );
#ifdef IOS
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#else
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#endif
qglDrawBuffer( GL_BACK );
#ifdef IOS
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#else
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#endif
}
开发者ID:kboxsoft，项目名称:ioq3-ios，代码行数:61，代码来源:tr_init.c
示例4: GL_SetDefaultState
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearDepth( 1.0f );
qglCullFace(GL_FRONT);
qglColor4f (1,1,1,1);
// initialize downstream texture unit if we're running
// in a multitexture environment
if ( qglActiveTextureARB ) {
GL_SelectTexture( 1 );
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture( 0 );
}
qglEnable(GL_TEXTURE_2D);
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
//qglShadeModel( GL_SMOOTH );
qglDepthFunc( GL_LEQUAL );
//
// make sure our GL state vector is set correctly
//
glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
glState.vertexAttribsState = 0;
glState.vertexAttribPointersSet = 0;
glState.currentProgram = 0;
qglUseProgramObjectARB(0);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glState.currentVBO = NULL;
glState.currentIBO = NULL;
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglDepthMask( GL_TRUE );
qglDisable( GL_DEPTH_TEST );
qglEnable( GL_SCISSOR_TEST );
qglDisable( GL_CULL_FACE );
qglDisable( GL_BLEND );
qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
qglClearDepth( 1.0 );
qglDrawBuffer( GL_FRONT );
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
qglDrawBuffer( GL_BACK );
qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
}
开发者ID:lrq3000，项目名称:openarena_engine，代码行数:60，代码来源:tr_init.c
示例5: GL_ColorMask
/*
==================
GL_ColorMask
==================
*/
void GL_ColorMask (bool red, bool green, bool blue, bool alpha){
if (glState.colorMask[0] == red && glState.colorMask[1] == green && glState.colorMask[2] == blue && glState.colorMask[3] == alpha)
return;
glState.colorMask[0] = red;
glState.colorMask[1] = green;
glState.colorMask[2] = blue;
glState.colorMask[3] = alpha;
qglColorMask(red, green, blue, alpha);
}
开发者ID:Mirrorman95，项目名称:quake-2-evolved，代码行数:17，代码来源:r_glState.c
示例6: RB_MaskTessEnd
void RB_MaskTessEnd( void ) {
shaderCommands_t *input;
input = &tess;
//qglClear( GL_COLOR_BUFFER_BIT );
qglColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
qglDepthMask(GL_FALSE);
qglEnable(GL_STENCIL_TEST);
qglClearStencil(0);
qglClear(GL_STENCIL_BUFFER_BIT);
qglStencilFunc(GL_ALWAYS,1,1);
qglStencilOp(GL_KEEP,GL_KEEP,GL_REPLACE);
tess.currentStageIteratorFunc();
qglDepthMask(GL_TRUE);
qglColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
qglStencilFunc(GL_EQUAL,1,1);
qglStencilOp(GL_KEEP,GL_KEEP,GL_KEEP);
}
开发者ID:redrumrobot，项目名称:quakeconstruct，代码行数:24，代码来源:tr_shade.c
示例7: RB_EndSurface
/*
=============
RB_ColorMask
=============
*/
const void *RB_ColorMask(const void *data)
{
const colorMaskCommand_t *cmd = data;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
if (glRefConfig.framebufferObject)
{
// reverse color mask, so 0 0 0 0 is the default
backEnd.colorMask[0] = !cmd->rgba[0];
backEnd.colorMask[1] = !cmd->rgba[1];
backEnd.colorMask[2] = !cmd->rgba[2];
backEnd.colorMask[3] = !cmd->rgba[3];
}
qglColorMask(cmd->rgba[0], cmd->rgba[1], cmd->rgba[2], cmd->rgba[3]);
return (const void *)(cmd + 1);
}
开发者ID:Thehsvdude，项目名称:ioq3，代码行数:27，代码来源:tr_backend.c
示例8: RB_SetGLDefaults
/*
* RB_SetGLDefaults
*/
static void RB_SetGLDefaults( void )
{
if( glConfig.stencilBits )
{
qglStencilMask( ( GLuint ) ~0 );
qglStencilFunc( GL_EQUAL, 128, 0xFF );
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
}
qglDisable( GL_CULL_FACE );
qglFrontFace( GL_CCW );
qglDisable( GL_BLEND );
qglDepthFunc( GL_LEQUAL );
qglDepthMask( GL_FALSE );
qglDisable( GL_POLYGON_OFFSET_FILL );
qglPolygonOffset( -1.0f, 0.0f ); // units will be handled by RB_DepthOffset
qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
qglEnable( GL_DEPTH_TEST );
#ifndef GL_ES_VERSION_2_0
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
#endif
qglFrontFace( GL_CCW );
}
开发者ID:cfr，项目名称:qfusion，代码行数:26，代码来源:r_backend.c
示例9: RE_BeginFrame
//.........这里部分代码省略.........
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;
}
开发者ID:MAN-AT-ARMS，项目名称:iortcw-archive，代码行数:101，代码来源:tr_cmds.c
示例10: GL_SetDefaultState
//.........这里部分代码省略.........
qglActiveTexture(GL_TEXTURE0 + i);
qglMatrixMode(GL_TEXTURE);
qglLoadIdentity();
qglDisable(GL_TEXTURE_2D);
qglDisable(GL_TEXTURE_3D);
qglDisable(GL_TEXTURE_CUBE_MAP);
qglDisable(GL_TEXTURE_2D_ARRAY);
qglBindTexture(GL_TEXTURE_2D, 0);
qglBindTexture(GL_TEXTURE_3D, 0);
qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);
qglBindTexture(GL_TEXTURE_2D_ARRAY, 0);
qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
qglDisable(GL_TEXTURE_GEN_S);
qglDisable(GL_TEXTURE_GEN_T);
qglDisable(GL_TEXTURE_GEN_R);
qglDisable(GL_TEXTURE_GEN_Q);
qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
}
qglDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
qglUseProgram(0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglViewport(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_SCISSOR_TEST);
qglScissor(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_DEPTH_BOUNDS_TEST_EXT);
qglDepthBoundsEXT(0.0f, 1.0f);
qglFrontFace(GL_CCW);
qglShadeModel(GL_SMOOTH);
qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
qglDisable(GL_CULL_FACE);
qglCullFace(GL_FRONT);
qglDisable(GL_POLYGON_OFFSET_FILL);
qglDisable(GL_POLYGON_OFFSET_LINE);
qglPolygonOffset(0.0f, 0.0f);
qglDisable(GL_BLEND);
qglBlendFunc(GL_ONE, GL_ZERO);
qglBlendEquation(GL_FUNC_ADD);
qglDisable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.0f);
qglDisable(GL_DEPTH_TEST);
qglDepthFunc(GL_LEQUAL);
qglDisable(GL_STENCIL_TEST);
qglStencilFunc(GL_ALWAYS, 128, 255);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
qglDepthRange(0.0f, 1.0f);
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
qglDepthMask(GL_TRUE);
qglStencilMask(255);
qglDisable(GL_DEPTH_CLAMP);
qglDisable(GL_CLIP_PLANE0);
if (glConfig.multiSamples > 1){
qglDisable(GL_MULTISAMPLE);
qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
}
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClearDepth(1.0f);
qglClearStencil(128);
qglEnableClientState(GL_VERTEX_ARRAY);
qglDisableVertexAttribArray(GL_ATTRIB_NORMAL);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT1);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT2);
qglDisableVertexAttribArray(GL_ATTRIB_TEXCOORD);
qglDisableVertexAttribArray(GL_ATTRIB_COLOR);
QGL_LogPrintf("--------------------\n");
}
开发者ID:Mirrorman95，项目名称:quake-2-evolved，代码行数:101，代码来源:r_glState.c
示例11: edge
/*
=================
RB_ShadowTessEnd
triangleFromEdge[ v1 ][ v2 ]
set triangle from edge( v1, v2, tri )
if ( facing[ triangleFromEdge[ v1 ][ v2 ] ] && !facing[ triangleFromEdge[ v2 ][ v1 ] ) {
}
=================
*/
void RB_ShadowTessEnd( void ) {
int i;
int numTris;
vec3_t lightDir;
GLboolean rgba[4];
// we can only do this if we have enough space in the vertex buffers
if ( tess.numVertexes >= SHADER_MAX_VERTEXES / 2 ) {
return;
}
if ( glConfig.stencilBits < 4 ) {
return;
}
VectorCopy( backEnd.currentEntity->lightDir, lightDir );
// project vertexes away from light direction
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
VectorMA( tess.xyz[i], -512, lightDir, tess.xyz[i+tess.numVertexes] );
}
// decide which triangles face the light
Com_Memset( numEdgeDefs, 0, 4 * tess.numVertexes );
numTris = tess.numIndexes / 3;
for ( i = 0 ; i < numTris ; i++ ) {
int i1, i2, i3;
vec3_t d1, d2, normal;
float *v1, *v2, *v3;
float d;
i1 = tess.indexes[ i*3 + 0 ];
i2 = tess.indexes[ i*3 + 1 ];
i3 = tess.indexes[ i*3 + 2 ];
v1 = tess.xyz[ i1 ];
v2 = tess.xyz[ i2 ];
v3 = tess.xyz[ i3 ];
VectorSubtract( v2, v1, d1 );
VectorSubtract( v3, v1, d2 );
CrossProduct( d1, d2, normal );
d = DotProduct( normal, lightDir );
if ( d > 0 ) {
facing[ i ] = 1;
} else {
facing[ i ] = 0;
}
// create the edges
R_AddEdgeDef( i1, i2, facing[ i ] );
R_AddEdgeDef( i2, i3, facing[ i ] );
R_AddEdgeDef( i3, i1, facing[ i ] );
}
// draw the silhouette edges
GL_Bind( tr.whiteImage );
qglEnable( GL_CULL_FACE );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
qglColor3f( 0.2f, 0.2f, 0.2f );
// don't write to the color buffer
qglGetBooleanv(GL_COLOR_WRITEMASK, rgba);
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
qglEnable( GL_STENCIL_TEST );
qglStencilFunc( GL_ALWAYS, 1, 255 );
#ifdef HAVE_GLES
qglVertexPointer (3, GL_FLOAT, 16, tess.xyz);
GLboolean text = qglIsEnabled(GL_TEXTURE_COORD_ARRAY);
GLboolean glcol = qglIsEnabled(GL_COLOR_ARRAY);
if (text)
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
if (glcol)
qglDisableClientState( GL_COLOR_ARRAY );
#endif
// mirrors have the culling order reversed
if ( backEnd.viewParms.isMirror ) {
qglCullFace( GL_FRONT );
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
R_RenderShadowEdges();
qglCullFace( GL_BACK );
//.........这里部分代码省略.........
开发者ID:ptitSeb，项目名称:SmokinGuns，代码行数:101，代码来源:tr_shadows.c
示例12: GL_State
//.........这里部分代码省略.........
common->Error( "GL_State: invalid src blend state bits\n" );
break;
}
switch ( stateBits & GLS_DSTBLEND_BITS ) {
case GLS_DSTBLEND_ZERO:
dstFactor = GL_ZERO;
break;
case GLS_DSTBLEND_ONE:
dstFactor = GL_ONE;
break;
case GLS_DSTBLEND_SRC_COLOR:
dstFactor = GL_SRC_COLOR;
break;
case GLS_DSTBLEND_ONE_MINUS_SRC_COLOR:
dstFactor = GL_ONE_MINUS_SRC_COLOR;
break;
case GLS_DSTBLEND_SRC_ALPHA:
dstFactor = GL_SRC_ALPHA;
break;
case GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA:
dstFactor = GL_ONE_MINUS_SRC_ALPHA;
break;
case GLS_DSTBLEND_DST_ALPHA:
dstFactor = GL_DST_ALPHA;
break;
case GLS_DSTBLEND_ONE_MINUS_DST_ALPHA:
dstFactor = GL_ONE_MINUS_DST_ALPHA;
break;
default:
dstFactor = GL_ONE; // to get warning to shut up
common->Error( "GL_State: invalid dst blend state bits\n" );
break;
}
qglBlendFunc( srcFactor, dstFactor );
}
//
// check depthmask
//
if ( diff & GLS_DEPTHMASK ) {
if ( stateBits & GLS_DEPTHMASK ) {
qglDepthMask( GL_FALSE );
} else {
qglDepthMask( GL_TRUE );
}
}
//
// check colormask
//
if ( diff & (GLS_REDMASK|GLS_GREENMASK|GLS_BLUEMASK|GLS_ALPHAMASK) ) {
GLboolean r, g, b, a;
r = ( stateBits & GLS_REDMASK ) ? 0 : 1;
g = ( stateBits & GLS_GREENMASK ) ? 0 : 1;
b = ( stateBits & GLS_BLUEMASK ) ? 0 : 1;
a = ( stateBits & GLS_ALPHAMASK ) ? 0 : 1;
qglColorMask( r, g, b, a );
}
//
// fill/line mode
//
if ( diff & GLS_POLYMODE_LINE ) {
if ( stateBits & GLS_POLYMODE_LINE ) {
qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
} else {
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
}
}
//
// alpha test
//
if ( diff & GLS_ATEST_BITS ) {
switch ( stateBits & GLS_ATEST_BITS ) {
case 0:
qglDisable( GL_ALPHA_TEST );
break;
case GLS_ATEST_EQ_255:
qglEnable( GL_ALPHA_TEST );
qglAlphaFunc( GL_EQUAL, 1 );
break;
case GLS_ATEST_LT_128:
qglEnable( GL_ALPHA_TEST );
qglAlphaFunc( GL_LESS, 0.5 );
break;
case GLS_ATEST_GE_128:
qglEnable( GL_ALPHA_TEST );
qglAlphaFunc( GL_GEQUAL, 0.5 );
break;
default:
assert( 0 );
break;
}
}
backEnd.glState.glStateBits = stateBits;
}
开发者ID:albertz，项目名称:iodoom3，代码行数:101，代码来源:tr_backend.cpp
示例13: RE_BeginFrame
//.........这里部分代码省略.........
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)
开发者ID:MAN-AT-ARMS，项目名称:iortcw-archive，代码行数:67，代码来源:tr_cmds.c
示例14: RB_DoShadowTessEnd
//.........这里部分代码省略.........
planeEq[0] = v1[1]*(v2[2]-v3[2]) + v2[1]*(v3[2]-v1[2]) + v3[1]*(v1[2]-v2[2]);
planeEq[1] = v1[2]*(v2[0]-v3[0]) + v2[2]*(v3[0]-v1[0]) + v3[2]*(v1[0]-v2[0]);
planeEq[2] = v1[0]*(v2[1]-v3[1]) + v2[0]*(v3[1]-v1[1]) + v3[0]*(v1[1]-v2[1]);
planeEq[3] = -( v1[0]*( v2[1]*v3[2] - v3[1]*v2[2] ) +
v2[0]*(v3[1]*v1[2] - v1[1]*v3[2]) +
v3[0]*(v1[1]*v2[2] - v2[1]*v1[2]) );
d = planeEq[0]*lightPos[0]+
planeEq[1]*lightPos[1]+
planeEq[2]*lightPos[2]+
planeEq[3];
}
if ( d > 0 ) {
facing[ i ] = 1;
} else {
facing[ i ] = 0;
}
// create the edges
R_AddEdgeDef( i1, i2, facing[ i ] );
R_AddEdgeDef( i2, i3, facing[ i ] );
R_AddEdgeDef( i3, i1, facing[ i ] );
}
GL_Bind( tr.whiteImage );
//qglEnable( GL_CULL_FACE );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
#ifndef _DEBUG_STENCIL_SHADOWS
qglColor3f( 0.2f, 0.2f, 0.2f );
// don't write to the color buffer
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
qglEnable( GL_STENCIL_TEST );
qglStencilFunc( GL_ALWAYS, 1, 255 );
#else
qglColor3f( 1.0f, 0.0f, 0.0f );
qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
//qglDisable(GL_DEPTH_TEST);
#endif
#ifdef _STENCIL_REVERSE
qglDepthFunc(GL_LESS);
//now using the Carmack Reverse<tm> -rww
if ( backEnd.viewParms.isMirror ) {
//qglCullFace( GL_BACK );
GL_Cull(CT_BACK_SIDED);
qglStencilOp( GL_KEEP, GL_INCR, GL_KEEP );
R_RenderShadowEdges();
//qglCullFace( GL_FRONT );
GL_Cull(CT_FRONT_SIDED);
qglStencilOp( GL_KEEP, GL_DECR, GL_KEEP );
R_RenderShadowEdges();
} else {
//qglCullFace( GL_FRONT );
GL_Cull(CT_FRONT_SIDED);
qglStencilOp( GL_KEEP, GL_INCR, GL_KEEP );
R_RenderShadowEdges();
开发者ID:3ddy，项目名称:Jedi-Outcast，代码行数:66，代码来源:tr_shadows.cpp
示例15: RB_SetState
/*
* RB_SetState
*/
void RB_SetState( int state )
{
int diff;
diff = rb.gl.state ^ state;
if( !diff )
return;
if( diff & GLSTATE_BLEND_MASK )
{
if( state & GLSTATE_BLEND_MASK )
{
int blendsrc, blenddst;
switch( state & GLSTATE_SRCBLEND_MASK )
{
case GLSTATE_SRCBLEND_ZERO:
blendsrc = GL_ZERO;
break;
case GLSTATE_SRCBLEND_DST_COLOR:
blendsrc = GL_DST_COLOR;
break;
case GLSTATE_SRCBLEND_ONE_MINUS_DST_COLOR:
blendsrc = GL_ONE_MINUS_DST_COLOR;
break;
case GLSTATE_SRCBLEND_SRC_ALPHA:
blendsrc = GL_SRC_ALPHA;
break;
case GLSTATE_SRCBLEND_ONE_MINUS_SRC_ALPHA:
blendsrc = GL_ONE_MINUS_SRC_ALPHA;
break;
case GLSTATE_SRCBLEND_DST_ALPHA:
blendsrc = GL_DST_ALPHA;
break;
case GLSTATE_SRCBLEND_ONE_MINUS_DST_ALPHA:
blendsrc = GL_ONE_MINUS_DST_ALPHA;
break;
default:
case GLSTATE_SRCBLEND_ONE:
blendsrc = GL_ONE;
break;
}
switch( state & GLSTATE_DSTBLEND_MASK )
{
case GLSTATE_DSTBLEND_ONE:
blenddst = GL_ONE;
break;
case GLSTATE_DSTBLEND_SRC_COLOR:
blenddst = GL_SRC_COLOR;
break;
case GLSTATE_DSTBLEND_ONE_MINUS_SRC_COLOR:
blenddst = GL_ONE_MINUS_SRC_COLOR;
break;
case GLSTATE_DSTBLEND_SRC_ALPHA:
blenddst = GL_SRC_ALPHA;
break;
case GLSTATE_DSTBLEND_ONE_MINUS_SRC_ALPHA:
blenddst = GL_ONE_MINUS_SRC_ALPHA;
break;
case GLSTATE_DSTBLEND_DST_ALPHA:
blenddst = GL_DST_ALPHA;
break;
case GLSTATE_DSTBLEND_ONE_MINUS_DST_ALPHA:
blenddst = GL_ONE_MINUS_DST_ALPHA;
break;
default:
case GLSTATE_DSTBLEND_ZERO:
blenddst = GL_ZERO;
break;
}
if( !( rb.gl.state & GLSTATE_BLEND_MASK ) )
qglEnable( GL_BLEND );
qglBlendFuncSeparateEXT( blendsrc, blenddst, GL_ONE, GL_ONE );
}
else
{
qglDisable( GL_BLEND );
}
}
if( diff & (GLSTATE_NO_COLORWRITE|GLSTATE_ALPHAWRITE) )
{
if( state & GLSTATE_NO_COLORWRITE )
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
else
qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, ( state & GLSTATE_ALPHAWRITE ) ? GL_TRUE : GL_FALSE );
}
if( diff & (GLSTATE_DEPTHFUNC_EQ|GLSTATE_DEPTHFUNC_GT) )
{
if( state & GLSTATE_DEPTHFUNC_EQ )
qglDepthFunc( GL_EQUAL );
else if( state & GLSTATE_DEPTHFUNC_GT )
qglDepthFunc( GL_GREATER );
//.........这里部分代码省略.........
开发者ID:DenMSC，项目名称:qfusion，代码行数:101，代码来源:r_backend.c
示例16: edge
/*
=================
RB_ShadowTessEnd
triangleFromEdge[ v1 ][ v2 ]
set triangle from edge( v1, v2, tri )
if ( facing[ triangleFromEdge[ v1 ][ v2 ] ] && !facing[ triangleFromEdge[ v2 ][ v1 ] ) {
}
=================
*/
void RB_ShadowTessEnd( void ) {
int i;
int numTris;
vec3_t lightDir;
GLboolean rgba[4];
if ( glConfig.stencilBits < 4 ) {
return;
}
VectorCopy( backEnd.currentEntity->lightDir, lightDir );
// project vertexes away from light direction
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
VectorMA( tess.xyz[i], -512, lightDir, shadowXyz[i] );
}
// decide which triangles face the light
Com_Memset( numEdgeDefs, 0, 4 * tess.numVertexes );
numTris = tess.numIndexes / 3;
for ( i = 0 ; i < numTris ; i++ ) {
int i1, i2, i3;
vec3_t d1, d2, normal;
float *v1, *v2, *v3;
float d;
i1 = tess.indexes[ i*3 + 0 ];
i2 = tess.indexes[ i*3 + 1 ];
i3 = tess.indexes[ i*3 + 2 ];
v1 = tess.xyz[ i1 ];
v2 = tess.xyz[ i2 ];
v3 = tess.xyz[ i3 ];
VectorSubtract( v2, v1, d1 );
VectorSubtract( v3, v1, d2 );
CrossProduct( d1, d2, normal );
d = DotProduct( normal, lightDir );
if ( d > 0 ) {
facing[ i ] = 1;
} else {
facing[ i ] = 0;
}
// create the edges
R_AddEdgeDef( i1, i2, facing[ i ] );
R_AddEdgeDef( i2, i3, facing[ i ] );
R_AddEdgeDef( i3, i1, facing[ i ] );
}
// draw the silhouette edges
GL_Bind( tr.whiteImage );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
qglColor3f( 0.2f, 0.2f, 0.2f );
// don't write to the color buffer
qglGetBooleanv(GL_COLOR_WRITEMASK, rgba);
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
qglEnable( GL_STENCIL_TEST );
qglStencilFunc( GL_ALWAYS, 1, 255 );
GL_Cull( CT_BACK_SIDED );
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
R_RenderShadowEdges();
GL_Cull( CT_FRONT_SIDED );
qglStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
R_RenderShadowEdges();
// reenable writing to the color buffer
qglColorMask(rgba[0], rgba[1], rgba[2], rgba[3]);
}
开发者ID:ArtanAhmeti，项目名称:lab，代码行数:91，代码来源:tr_shadows.c
示例17: RB_EndSurface
/*
=============
RB_SwapBuffers
=============
*/
const void *RB_SwapBuffers( const void *data ) {
const swapBuffersCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
// texture swapping test
if ( r_showImages->integer ) {
RB_ShowImages();
}
cmd = (const swapBuffersCommand_t *)data;
// we measure overdraw by reading back the stencil buffer and
// counting up the number of increments that have happened
if ( r_measureOverdraw->integer ) {
int i;
long sum = 0;
unsigned char *stencilReadback;
stencilReadback = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight );
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
sum += stencilReadback[i];
}
backEnd.pc.c_overDraw += sum;
ri.Hunk_FreeTempMemory( stencilReadback );
}
if (glRefConfig.framebufferObject)
{
if (!backEnd.framePostProcessed)
{
if (tr.msaaResolveFbo && r_hdr->integer)
{
// Resolving an RGB16F MSAA FBO to the screen messes with the brightness, so resolve to an RGB16F FBO first
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
FBO_FastBlit(tr.msaaResolveFbo, NULL, tr.screenScratchFbo, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else if (tr.renderFbo)
{
FBO_FastBlit(tr.renderFbo, NULL, tr.screenScratchFbo, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
}
if (tr.screenScratchFbo)
{
vec4_t color;
color[0] =
color[1] =
color[2] = pow(2, tr.overbrightBits); //exp2(tr.overbrightBits);
color[3] = 1.0f;
// turn off colormask when copying final image
if (backEnd.colorMask[0] || backEnd.colorMask[1] || backEnd.colorMask[2] || backEnd.colorMask[3])
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
FBO_Blit(tr.screenScratchFbo, NULL, NULL, NULL, NULL, NULL, color, 0);
if (backEnd.colorMask[0] || backEnd.colorMask[1] || backEnd.colorMask[2] || backEnd.colorMask[3])
qglColorMask(!backEnd.colorMask[0], !backEnd.colorMask[1], !backEnd.colorMask[2], !backEnd.colorMask[3]);
}
}
if ( !glState.finishCalled ) {
qglFinish();
}
GLimp_LogComment( "***************** RB_SwapBuffers *****************\n\n\n" );
GLimp_EndFrame();
backEnd.framePostProcessed = qfalse;
backEnd.projection2D = qfalse;
return (const void *)(cmd + 1);
}
开发者ID:OnlyTheGhosts，项目名称:Mirai_Ran，代码行数:88，代码来源:tr_backend.c
示例18: edge
/*
=================
RB_ShadowTessEnd
triangleFromEdge[ v1 ][ v2 ]
set triangle from edge( v1, v2, tri )
if ( facing[ triangleFromEdge[ v1 ][ v2 ] ] && !facing[ triangleFromEdge[ v2 ][ v1 ] ) {
}
=================
*/
void RB_ShadowTessEnd( void ) {
int i;
int numTris;
vec3_t lightDir;
// we can only do this if we have enough space in the vertex buffers
if ( tess.numVertexes >= SHADER_MAX_VERTEXES / 2 ) {
return;
}
if ( glConfig.stencilBits < 4 ) {
return;
}
VectorCopy( backEnd.currentEntity->lightDir, lightDir );
// project vertexes away from light direction
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
VectorMA( tess.xyz[i], -512, lightDir, tess.xyz[i + tess.numVertexes] );
}
// decide which triangles face the light
memset( numEdgeDefs, 0, 4 * tess.numVertexes );
numTris = tess.numIndexes / 3;
for ( i = 0 ; i < numTris ; i++ ) {
int i1, i2, i3;
vec3_t d1, d2, normal;
float *v1, *v2, *v3;
float d;
i1 = tess.indexes[ i * 3 + 0 ];
i2 = tess.indexes[ i * 3 + 1 ];
i3 = tess.indexes[ i * 3 + 2 ];
v1 = tess.xyz[ i1 ];
v2 = tess.xyz[ i2 ];
v3 = tess.xyz[ i3 ];
VectorSubtract( v2, v1, d1 );
VectorSubtract( v3, v1, d2 );
CrossProduct( d1, d2, normal );
d = DotProduct( normal, lightDir );
if ( d > 0 ) {
facing[ i ] = 1;
} else {
facing[ i ] = 0;
}
// create the edges
R_AddEdgeDef( i1, i2, facing[ i ] );
R_AddEdgeDef( i2, i3, facing[ i ] );
R_AddEdgeDef( i3, i1, facing[ i ] );
}
// draw the silhouette edges
GL_Bind( tr.whiteImage );
qglEnable( GL_CULL_FACE );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
qglColor3f( 0.2f, 0.2f, 0.2f );
// don't write to the color buffer
qglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
qglEnable( GL_STENCIL_TEST );
qglStencilFunc( GL_ALWAYS, 1, 255 );
// mirrors have the culling order reversed
if ( backEnd.viewParms.isMirror ) {
qglCullFace( GL_FRONT );
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
R_RenderShadowEdges();
qglCullFace( GL_BACK );
qglStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
R_RenderShadowEdges();
} else {
qglCullFace( GL_BACK );
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
R_RenderShadowEdges();
qglCullFace( GL_FRONT );
qglStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
//.........这里部分代码省略.........
开发者ID:JackalFrost，项目名称:RTCW-WSGF，代码行数:101，代码来源:tr_shadows.c
示例19: RB_IterateStagesGeneric
//.........这里部分代码省略.........
{
FogColorChange = false;
qglFogfv(GL_FOG_COLOR, fog->parms.color);
}
}
if (!input->fading)
{ //this means ignore this, while we do a fade-out
ComputeColors( pStage, forceRGBGen );
}
ComputeTexCoords( pStage );
if ( !setArraysOnce )
{
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, input->svars.colors );
}
//
// do multitexture
//
if ( pStage->bundle[1].image != 0 )
{
DrawMultitextured( input, stage );
}
else
{
static bool lStencilled = false;
if ( !setArraysOnce )
{
qglTexCoordPointer( 2, GL_FLOAT, 0, input->svars.texcoords[0] );
}
//
// set state
//
if ( (tess.shader == tr.distortionShader) ||
(backEnd.currentEntity && (backEnd.currentEntity->e.renderfx & RF_DISTORTION)) )
{ //special distortion effect -rww
//tr.screenImage should have been set for this specific entity before we got in here.
GL_Bind( tr.screenImage );
GL_Cull(CT_TWO_SIDED);
}
else if ( pStage->bundle[0].vertexLightmap && ( r_vertexLight->integer && !r_uiFullScreen->integer ) && r_lightmap->integer )
{
GL_Bind( tr.whiteImage );
}
else
R_BindAnimatedImage( &pStage->bundle[0] );
if (tess.shader == tr.distortionShader &&
glConfig.stencilBits >= 4)
{ //draw it to the stencil buffer!
tr_stencilled = true;
lStencilled = true;
qglEnable(GL_STENCIL_TEST);
qglStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);
qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
qglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
//don't depthmask, don't blend.. don't do anything
GL_State(0);
}
else if (backEnd.currentEntity && (backEnd.currentEntity->e.renderfx & RF_FORCE_ENT_ALPHA))
{
ForceAlpha((unsigned char *) tess.svars.colors, backEnd.currentEntity->e.shaderRGBA[3]);
if (backEnd.currentEntity->e.renderfx & RF_ALPHA_DEPTH)
{ //depth write, so faces through the model will be stomped over by nearer ones. this works because
//we draw RF_FORCE_ENT_ALPHA stuff after everything else, including standard alpha surfs.
GL_State(GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHMASK_TRUE);
}
else
{
GL_State(GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
}
}
else
{
GL_State( stateBits );
}
//
// draw
//
R_DrawElements( input->numIndexes, input->indexes );
if (lStencilled)
{ //re-enable the color buffer, disable stencil test
lStencilled = false;
qglDisable(GL_STENCIL_TEST);
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
}
}
if (FogColorChange)
{
qglFogfv(GL_FOG_COLOR, fog->parms.color);
}
}
开发者ID:AlexXT，项目名称:OpenJK，代码行数:101，代码来源:tr_shade.cpp
示例20: RE_BeginFrame
//.........这里部分代码省略.........
}
// 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;
}
开发者ID:mecwerks，项目名称:spearmint-ios，代码行数:66，代码来源:tr_cmds.c
注：本文中的qglColorMask函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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