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Fix FBO_*() usage when framebuffers are unavailable or undesired.

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This commit is contained in:
James Canete 2012-10-28 20:22:13 +00:00
parent c4aa3cf8c0
commit 5cbe7888f8
7 changed files with 43 additions and 36 deletions
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32
code/rend2/tr_backend.c
View file

@ -815,7 +815,8 @@ void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
} }
#endif #endif
FBO_Bind(fbo); if (glRefConfig.framebufferObject)
FBO_Bind(fbo);
// go back to the world modelview matrix // go back to the world modelview matrix
@ -1193,12 +1194,12 @@ const void *RB_DrawSurfs( const void *data ) {
// clear the z buffer, set the modelview, etc // clear the z buffer, set the modelview, etc
RB_BeginDrawingView (); RB_BeginDrawingView ();
if ((backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp) if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{ {
qglEnable(GL_DEPTH_CLAMP); qglEnable(GL_DEPTH_CLAMP);
} }
if (!(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && (r_depthPrepass->integer || (backEnd.viewParms.flags & VPF_DEPTHSHADOW))) if (glRefConfig.framebufferObject && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && (r_depthPrepass->integer || (backEnd.viewParms.flags & VPF_DEPTHSHADOW)))
{ {
FBO_t *oldFbo = glState.currentFBO; FBO_t *oldFbo = glState.currentFBO;
@ -1416,7 +1417,7 @@ const void *RB_DrawSurfs( const void *data ) {
SetViewportAndScissor(); SetViewportAndScissor();
} }
if ((backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp) if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{ {
qglDisable(GL_DEPTH_CLAMP); qglDisable(GL_DEPTH_CLAMP);
} }
@ -1435,8 +1436,8 @@ const void *RB_DrawSurfs( const void *data ) {
RB_RenderFlares(); RB_RenderFlares();
} }
if (glRefConfig.framebufferObject) //if (glRefConfig.framebufferObject)
FBO_Bind(NULL); //FBO_Bind(NULL);
return (const void *)(cmd + 1); return (const void *)(cmd + 1);
} }
@ -1453,6 +1454,9 @@ const void *RB_DrawBuffer( const void *data ) {
cmd = (const drawBufferCommand_t *)data; cmd = (const drawBufferCommand_t *)data;
if (glRefConfig.framebufferObject)
FBO_Bind(NULL);
qglDrawBuffer( cmd->buffer ); qglDrawBuffer( cmd->buffer );
// clear screen for debugging // clear screen for debugging
@ -1564,14 +1568,18 @@ const void *RB_ClearDepth(const void *data)
if (r_showImages->integer) if (r_showImages->integer)
RB_ShowImages(); RB_ShowImages();
if (backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL)) if (glRefConfig.framebufferObject)
{ {
FBO_Bind(tr.screenScratchFbo); if (backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
} {
else FBO_Bind(tr.screenScratchFbo);
{ }
FBO_Bind(tr.renderFbo); else
{
FBO_Bind(tr.renderFbo);
}
} }
qglClear(GL_DEPTH_BUFFER_BIT); qglClear(GL_DEPTH_BUFFER_BIT);
// if we're doing MSAA, clear the depth texture for the resolve buffer // if we're doing MSAA, clear the depth texture for the resolve buffer

13
code/rend2/tr_cmds.c
View file

@ -499,11 +499,6 @@ void RE_BeginFrame( stereoFrame_t stereoFrame ) {
backEnd.colorMask[3] = GL_FALSE; backEnd.colorMask[3] = GL_FALSE;
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f); 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) if (glRefConfig.framebufferObject)
{ {
// clear all framebuffers // clear all framebuffers
@ -530,15 +525,17 @@ void RE_BeginFrame( stereoFrame_t stereoFrame ) {
break; break;
} }
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT); qglClear(GL_COLOR_BUFFER_BIT);
} }
FBO_Bind(NULL); FBO_Bind(NULL);
} }
qglDrawBuffer(GL_FRONT);
qglClear(GL_COLOR_BUFFER_BIT);
qglDrawBuffer(GL_BACK);
qglClear(GL_COLOR_BUFFER_BIT);
r_anaglyphMode->modified = qfalse; r_anaglyphMode->modified = qfalse;
} }

2
code/rend2/tr_fbo.c
View file

@ -795,7 +795,7 @@ void FBO_FastBlit(FBO_t *src, vec4i_t srcBox, FBO_t *dst, vec4i_t dstBox, int bu
} }
// get to a neutral state first // get to a neutral state first
FBO_Bind(NULL); //FBO_Bind(NULL);
srcFb = src ? src->frameBuffer : 0; srcFb = src ? src->frameBuffer : 0;
dstFb = dst ? dst->frameBuffer : 0; dstFb = dst ? dst->frameBuffer : 0;

18
code/rend2/tr_image.c
View file

@ -2919,6 +2919,7 @@ void R_CreateBuiltinImages( void ) {
R_CreateDlightImage(); R_CreateDlightImage();
R_CreateFogImage(); R_CreateFogImage();
if (glRefConfig.framebufferObject)
{ {
int width, height, hdrFormat; int width, height, hdrFormat;
@ -3001,17 +3002,16 @@ void R_CreateBuiltinImages( void ) {
tr.screenSsaoImage = R_CreateImage("*screenSsao", NULL, width / 2, height / 2, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8); tr.screenSsaoImage = R_CreateImage("*screenSsao", NULL, width / 2, height / 2, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8);
tr.hdrDepthImage = R_CreateImage("*hdrDepth", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_INTENSITY32F_ARB); tr.hdrDepthImage = R_CreateImage("*hdrDepth", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_INTENSITY32F_ARB);
} }
}
for( x = 0; x < MAX_DRAWN_PSHADOWS; x++) for( x = 0; x < MAX_DRAWN_PSHADOWS; x++)
{ {
tr.pshadowMaps[x] = R_CreateImage(va("*shadowmap%i", x), NULL, PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8); tr.pshadowMaps[x] = R_CreateImage(va("*shadowmap%i", x), NULL, PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8);
} }
//tr.sunShadowImage = R_CreateImage("*sunshadowmap", NULL, SUNSHADOW_MAP_SIZE, SUNSHADOW_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8); for ( x = 0; x < 3; x++)
for ( x = 0; x < 3; x++) {
{ tr.sunShadowDepthImage[x] = R_CreateImage(va("*sunshadowdepth%i", x), NULL, r_shadowMapSize->integer, r_shadowMapSize->integer, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_DEPTH_COMPONENT24_ARB);
tr.sunShadowDepthImage[x] = R_CreateImage(va("*sunshadowdepth%i", x), NULL, r_shadowMapSize->integer, r_shadowMapSize->integer, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_DEPTH_COMPONENT24_ARB); }
} }
} }

6
code/rend2/tr_init.c
View file

@ -1411,7 +1411,8 @@ void R_Init( void ) {
R_InitImages(); R_InitImages();
FBO_Init(); if (glRefConfig.framebufferObject)
FBO_Init();
GLSL_InitGPUShaders(); GLSL_InitGPUShaders();
@ -1463,7 +1464,8 @@ void RE_Shutdown( qboolean destroyWindow ) {
R_SyncRenderThread(); R_SyncRenderThread();
R_ShutdownCommandBuffers(); R_ShutdownCommandBuffers();
R_ShutDownQueries(); R_ShutDownQueries();
FBO_Shutdown(); if (glRefConfig.framebufferObject)
FBO_Shutdown();
R_DeleteTextures(); R_DeleteTextures();
R_ShutdownVBOs(); R_ShutdownVBOs();
GLSL_ShutdownGPUShaders(); GLSL_ShutdownGPUShaders();

4
code/rend2/tr_scene.c
View file

@ -476,13 +476,13 @@ void RE_RenderScene( const refdef_t *fd ) {
} }
/* playing with more shadows */ /* playing with more shadows */
if(!( fd->rdflags & RDF_NOWORLDMODEL ) && r_shadows->integer == 4) if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && r_shadows->integer == 4)
{ {
R_RenderPshadowMaps(fd); R_RenderPshadowMaps(fd);
} }
// playing with even more shadows // playing with even more shadows
if(!( fd->rdflags & RDF_NOWORLDMODEL ) && (r_forceSun->integer || tr.sunShadows)) if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && (r_forceSun->integer || tr.sunShadows))
{ {
R_RenderSunShadowMaps(fd, 0); R_RenderSunShadowMaps(fd, 0);
R_RenderSunShadowMaps(fd, 1); R_RenderSunShadowMaps(fd, 1);

2
code/rend2/tr_shade.c
View file

@ -1713,7 +1713,7 @@ void RB_StageIteratorGeneric( void )
// //
// pshadows! // pshadows!
// //
if ( tess.pshadowBits && tess.shader->sort <= SS_OPAQUE if (glRefConfig.framebufferObject && tess.pshadowBits && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) { && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
ProjectPshadowVBOGLSL(); ProjectPshadowVBOGLSL();
} }