lilium-voyager/code/rend2/tr_cmds.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "tr_local.h"
volatile renderCommandList_t *renderCommandList;
volatile qboolean renderThreadActive;
/*
=====================
R_PerformanceCounters
=====================
*/
void R_PerformanceCounters( void ) {
if ( !r_speeds->integer ) {
// clear the counters even if we aren't printing
Com_Memset( &tr.pc, 0, sizeof( tr.pc ) );
Com_Memset( &backEnd.pc, 0, sizeof( backEnd.pc ) );
return;
}
if (r_speeds->integer == 1) {
ri.Printf (PRINT_ALL, "%i/%i/%i shaders/batches/surfs %i leafs %i verts %i/%i tris %.2f mtex %.2f dc\n",
backEnd.pc.c_shaders, backEnd.pc.c_surfBatches, backEnd.pc.c_surfaces, tr.pc.c_leafs, backEnd.pc.c_vertexes,
backEnd.pc.c_indexes/3, backEnd.pc.c_totalIndexes/3,
R_SumOfUsedImages()/(1000000.0f), backEnd.pc.c_overDraw / (float)(glConfig.vidWidth * glConfig.vidHeight) );
} else if (r_speeds->integer == 2) {
ri.Printf (PRINT_ALL, "(patch) %i sin %i sclip %i sout %i bin %i bclip %i bout\n",
tr.pc.c_sphere_cull_patch_in, tr.pc.c_sphere_cull_patch_clip, tr.pc.c_sphere_cull_patch_out,
tr.pc.c_box_cull_patch_in, tr.pc.c_box_cull_patch_clip, tr.pc.c_box_cull_patch_out );
ri.Printf (PRINT_ALL, "(md3) %i sin %i sclip %i sout %i bin %i bclip %i bout\n",
tr.pc.c_sphere_cull_md3_in, tr.pc.c_sphere_cull_md3_clip, tr.pc.c_sphere_cull_md3_out,
tr.pc.c_box_cull_md3_in, tr.pc.c_box_cull_md3_clip, tr.pc.c_box_cull_md3_out );
} else if (r_speeds->integer == 3) {
ri.Printf (PRINT_ALL, "viewcluster: %i\n", tr.viewCluster );
} else if (r_speeds->integer == 4) {
if ( backEnd.pc.c_dlightVertexes ) {
ri.Printf (PRINT_ALL, "dlight srf:%i culled:%i verts:%i tris:%i\n",
tr.pc.c_dlightSurfaces, tr.pc.c_dlightSurfacesCulled,
backEnd.pc.c_dlightVertexes, backEnd.pc.c_dlightIndexes / 3 );
}
}
else if (r_speeds->integer == 5 )
{
ri.Printf( PRINT_ALL, "zFar: %.0f\n", tr.viewParms.zFar );
}
else if (r_speeds->integer == 6 )
{
ri.Printf( PRINT_ALL, "flare adds:%i tests:%i renders:%i\n",
backEnd.pc.c_flareAdds, backEnd.pc.c_flareTests, backEnd.pc.c_flareRenders );
}
else if (r_speeds->integer == 7 )
{
ri.Printf( PRINT_ALL, "VBO draws: static %i dynamic %i\nMultidraws: %i merged %i\n",
backEnd.pc.c_staticVboDraws, backEnd.pc.c_dynamicVboDraws, backEnd.pc.c_multidraws, backEnd.pc.c_multidrawsMerged );
ri.Printf( PRINT_ALL, "GLSL binds: %i draws: gen %i light %i fog %i dlight %i\n",
backEnd.pc.c_glslShaderBinds, backEnd.pc.c_genericDraws, backEnd.pc.c_lightallDraws, backEnd.pc.c_fogDraws, backEnd.pc.c_dlightDraws);
}
Com_Memset( &tr.pc, 0, sizeof( tr.pc ) );
Com_Memset( &backEnd.pc, 0, sizeof( backEnd.pc ) );
}
/*
====================
R_InitCommandBuffers
====================
*/
void R_InitCommandBuffers( void ) {
glConfig.smpActive = qfalse;
if ( r_smp->integer ) {
ri.Printf( PRINT_ALL, "Trying SMP acceleration...\n" );
if ( GLimp_SpawnRenderThread( RB_RenderThread ) ) {
ri.Printf( PRINT_ALL, "...succeeded.\n" );
glConfig.smpActive = qtrue;
} else {
ri.Printf( PRINT_ALL, "...failed.\n" );
}
}
}
/*
====================
R_ShutdownCommandBuffers
====================
*/
void R_ShutdownCommandBuffers( void ) {
// kill the rendering thread
if ( glConfig.smpActive ) {
GLimp_WakeRenderer( NULL );
glConfig.smpActive = qfalse;
}
}
/*
====================
R_IssueRenderCommands
====================
*/
int c_blockedOnRender;
int c_blockedOnMain;
void R_IssueRenderCommands( qboolean runPerformanceCounters ) {
renderCommandList_t *cmdList;
cmdList = &backEndData[tr.smpFrame]->commands;
assert(cmdList);
// add an end-of-list command
*(int *)(cmdList->cmds + cmdList->used) = RC_END_OF_LIST;
// clear it out, in case this is a sync and not a buffer flip
cmdList->used = 0;
if ( glConfig.smpActive ) {
// if the render thread is not idle, wait for it
if ( renderThreadActive ) {
c_blockedOnRender++;
if ( r_showSmp->integer ) {
ri.Printf( PRINT_ALL, "R" );
}
} else {
c_blockedOnMain++;
if ( r_showSmp->integer ) {
ri.Printf( PRINT_ALL, "." );
}
}
// sleep until the renderer has completed
GLimp_FrontEndSleep();
}
// at this point, the back end thread is idle, so it is ok
// to look at its performance counters
if ( runPerformanceCounters ) {
R_PerformanceCounters();
}
// actually start the commands going
if ( !r_skipBackEnd->integer ) {
// let it start on the new batch
if ( !glConfig.smpActive ) {
RB_ExecuteRenderCommands( cmdList->cmds );
} else {
GLimp_WakeRenderer( cmdList );
}
}
}
/*
====================
R_SyncRenderThread
Issue any pending commands and wait for them to complete.
After exiting, the render thread will have completed its work
and will remain idle and the main thread is free to issue
OpenGL calls until R_IssueRenderCommands is called.
====================
*/
void R_SyncRenderThread( void ) {
if ( !tr.registered ) {
return;
}
R_IssueRenderCommands( qfalse );
if ( !glConfig.smpActive ) {
return;
}
GLimp_FrontEndSleep();
}
/*
============
R_GetCommandBuffer
make sure there is enough command space, waiting on the
render thread if needed.
============
*/
void *R_GetCommandBuffer( int bytes ) {
renderCommandList_t *cmdList;
cmdList = &backEndData[tr.smpFrame]->commands;
bytes = PAD(bytes, sizeof(void *));
// always leave room for the end of list command
if ( cmdList->used + bytes + 4 > MAX_RENDER_COMMANDS ) {
if ( bytes > MAX_RENDER_COMMANDS - 4 ) {
ri.Error( ERR_FATAL, "R_GetCommandBuffer: bad size %i", bytes );
}
// if we run out of room, just start dropping commands
return NULL;
}
cmdList->used += bytes;
return cmdList->cmds + cmdList->used - bytes;
}
/*
=============
R_AddDrawSurfCmd
=============
*/
void R_AddDrawSurfCmd( drawSurf_t *drawSurfs, int numDrawSurfs ) {
drawSurfsCommand_t *cmd;
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_DRAW_SURFS;
cmd->drawSurfs = drawSurfs;
cmd->numDrawSurfs = numDrawSurfs;
cmd->refdef = tr.refdef;
cmd->viewParms = tr.viewParms;
}
/*
=============
R_AddCapShadowmapCmd
=============
*/
void R_AddCapShadowmapCmd( int map, int cubeSide ) {
capShadowmapCommand_t *cmd;
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_CAPSHADOWMAP;
cmd->map = map;
cmd->cubeSide = cubeSide;
}
/*
=============
R_PostProcessingCmd
=============
*/
void R_AddPostProcessCmd( ) {
postProcessCommand_t *cmd;
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_POSTPROCESS;
cmd->refdef = tr.refdef;
cmd->viewParms = tr.viewParms;
}
/*
=============
RE_SetColor
Passing NULL will set the color to white
=============
*/
void RE_SetColor( const float *rgba ) {
setColorCommand_t *cmd;
if ( !tr.registered ) {
return;
}
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_SET_COLOR;
if ( !rgba ) {
static float colorWhite[4] = { 1, 1, 1, 1 };
rgba = colorWhite;
}
cmd->color[0] = rgba[0];
cmd->color[1] = rgba[1];
cmd->color[2] = rgba[2];
cmd->color[3] = rgba[3];
}
/*
=============
RE_StretchPic
=============
*/
void RE_StretchPic ( float x, float y, float w, float h,
float s1, float t1, float s2, float t2, qhandle_t hShader ) {
stretchPicCommand_t *cmd;
if (!tr.registered) {
return;
}
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_STRETCH_PIC;
cmd->shader = R_GetShaderByHandle( hShader );
cmd->x = x;
cmd->y = y;
cmd->w = w;
cmd->h = h;
cmd->s1 = s1;
cmd->t1 = t1;
cmd->s2 = s2;
cmd->t2 = t2;
}
#define MODE_RED_CYAN 1
#define MODE_RED_BLUE 2
#define MODE_RED_GREEN 3
#define MODE_GREEN_MAGENTA 4
#define MODE_MAX MODE_GREEN_MAGENTA
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(colormode == MODE_GREEN_MAGENTA)
{
if(stereoFrame == STEREO_LEFT)
rgba[0] = rgba[2] = GL_FALSE;
else if(stereoFrame == STEREO_RIGHT)
rgba[1] = GL_FALSE;
}
else
{
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] = GL_FALSE;
else if(colormode == MODE_RED_GREEN)
rgba[2] = GL_FALSE;
}
}
}
/*
====================
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_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;
}
//
// 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)!", 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);
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
if (glRefConfig.framebufferObject)
{
// clear all framebuffers
// FIXME: must be a better way to do this
int i;
for (i = 0; i < 3; i++)
{
if (i == 1 && !tr.msaaResolveFbo)
continue;
switch(i)
{
case 0:
FBO_Bind(tr.renderFbo);
break;
case 1:
FBO_Bind(tr.msaaResolveFbo);
break;
case 2:
FBO_Bind(tr.screenScratchFbo);
break;
}
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
}
FBO_Bind(NULL);
}
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_EndFrame
Returns the number of msec spent in the back end
=============
*/
void RE_EndFrame( int *frontEndMsec, int *backEndMsec ) {
swapBuffersCommand_t *cmd;
if ( !tr.registered ) {
return;
}
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_SWAP_BUFFERS;
R_IssueRenderCommands( qtrue );
// use the other buffers next frame, because another CPU
// may still be rendering into the current ones
R_ToggleSmpFrame();
if ( frontEndMsec ) {
*frontEndMsec = tr.frontEndMsec;
}
tr.frontEndMsec = 0;
if ( backEndMsec ) {
*backEndMsec = backEnd.pc.msec;
}
backEnd.pc.msec = 0;
}
/*
=============
RE_TakeVideoFrame
=============
*/
void RE_TakeVideoFrame( int width, int height,
byte *captureBuffer, byte *encodeBuffer, qboolean motionJpeg )
{
videoFrameCommand_t *cmd;
if( !tr.registered ) {
return;
}
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if( !cmd ) {
return;
}
cmd->commandId = RC_VIDEOFRAME;
cmd->width = width;
cmd->height = height;
cmd->captureBuffer = captureBuffer;
cmd->encodeBuffer = encodeBuffer;
cmd->motionJpeg = motionJpeg;
}