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- Implement stereo rendering with anaglyph images.

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- Add r_greyscale for black&white rendering
This commit is contained in:
Thilo Schulz 2008-04-27 17:32:14 +00:00
parent 48d9999698
commit 425c351d1b
12 changed files with 435 additions and 128 deletions
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143
code/renderer/tr_cmds.c
View file

@ -91,6 +91,9 @@ void R_InitCommandBuffers( void ) {
ri.Printf( PRINT_ALL, "...failed.\n" );
}
}
if(r_stereoEnabled->integer)
glConfig.stereoEnabled = qtrue;
}
/*
@ -293,6 +296,38 @@ void RE_StretchPic ( float x, float y, float w, float h,
cmd->t2 = t2;
}
#define MODE_RED_CYAN 1
#define MODE_RED_BLUE 2
#define MODE_RED_GREEN 3
#define MODE_MAX MODE_RED_GREEN
void R_SetColorMode(GLboolean *rgba, stereoFrame_t stereoFrame, int colormode)
{
rgba[0] = rgba[1] = rgba[2] = rgba[3] = GL_TRUE;
if(colormode > MODE_MAX)
{
if(stereoFrame == STEREO_LEFT)
stereoFrame = STEREO_RIGHT;
else if(stereoFrame == STEREO_RIGHT)
stereoFrame = STEREO_LEFT;
colormode -= MODE_MAX;
}
if(stereoFrame == STEREO_LEFT)
rgba[1] = rgba[2] = GL_FALSE;
else if(stereoFrame == STEREO_RIGHT)
{
rgba[0] = GL_FALSE;
if(colormode == MODE_RED_BLUE)
rgba[1] = 0;
else if(colormode == MODE_RED_GREEN)
rgba[2] = 0;
}
}
/*
====================
@ -303,7 +338,8 @@ for each RE_EndFrame
====================
*/
void RE_BeginFrame( stereoFrame_t stereoFrame ) {
drawBufferCommand_t *cmd;
drawBufferCommand_t *cmd = NULL;
colorMaskCommand_t *colcmd;
if ( !tr.registered ) {
return;
@ -370,26 +406,22 @@ void RE_BeginFrame( stereoFrame_t stereoFrame ) {
R_SetColorMappings();
}
// check for errors
if ( !r_ignoreGLErrors->integer ) {
int err;
// 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;
if ((err = qglGetError()) != GL_NO_ERROR)
ri.Error(ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!\n", err);
}
cmd->commandId = RC_DRAW_BUFFER;
if ( glConfig.stereoEnabled ) {
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 ) {
@ -397,16 +429,79 @@ void RE_BeginFrame( stereoFrame_t stereoFrame ) {
} 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 );
}
else
{
if(r_anaglyphMode->integer)
{
if(r_anaglyphMode->modified)
{
// clear both, front and backbuffer.
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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;
}
if ( !Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) ) {
cmd->buffer = (int)GL_FRONT;
} else {
cmd->buffer = (int)GL_BACK;
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(stereoFrame == STEREO_CENTER && r_anaglyphMode->modified)
{
if(!r_anaglyphMode->integer)
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;
}