Merge branch 'master' into gpp

1 files changed, 236 insertions, 203 deletions

diff --git a/src/renderergl2/tr_backend.c b/src/renderergl2/tr_backend.c
index 6c03db3c..0e331752 100644
--- a/src/renderergl2/tr_backend.c
+++ b/src/renderergl2/tr_backend.c
@@ -21,6 +21,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 ===========================================================================
 */
 #include "tr_local.h"
+#include "tr_fbo.h"
+#include "tr_dsa.h"
 
 backEndData_t	*backEndData;
 backEndState_t	backEnd;
@@ -37,80 +39,27 @@ static float	s_flipMatrix[16] = {
 
 
 /*
-** GL_Bind
-*/
-void GL_Bind( image_t *image ) {
-	int texnum;
-
-	if ( !image ) {
-		ri.Printf( PRINT_WARNING, "GL_Bind: NULL image\n" );
-		texnum = tr.defaultImage->texnum;
-	} else {
-		texnum = image->texnum;
-	}
-
-	if ( r_nobind->integer && tr.dlightImage ) {		// performance evaluation option
-		texnum = tr.dlightImage->texnum;
-	}
-
-	if ( glState.currenttextures[glState.currenttmu] != texnum ) {
-		if ( image ) {
-			image->frameUsed = tr.frameCount;
-		}
-		glState.currenttextures[glState.currenttmu] = texnum;
-		if (image && image->flags & IMGFLAG_CUBEMAP)
-			qglBindTexture( GL_TEXTURE_CUBE_MAP, texnum );
-		else
-			qglBindTexture( GL_TEXTURE_2D, texnum );
-	}
-}
-
-/*
-** GL_SelectTexture
-*/
-void GL_SelectTexture( int unit )
-{
-	if ( glState.currenttmu == unit )
-	{
-		return;
-	}
-
-	if (!(unit >= 0 && unit <= 31))
-		ri.Error( ERR_DROP, "GL_SelectTexture: unit = %i", unit );
-
-	if (!qglActiveTextureARB)
-		ri.Error( ERR_DROP, "GL_SelectTexture: multitexture disabled" );
-
-	qglActiveTextureARB( GL_TEXTURE0_ARB + unit );
-
-	glState.currenttmu = unit;
-}
-
-/*
 ** GL_BindToTMU
 */
 void GL_BindToTMU( image_t *image, int tmu )
 {
-	int		texnum;
-	int     oldtmu = glState.currenttmu;
+	GLuint texture = (tmu == TB_COLORMAP) ? tr.defaultImage->texnum : 0;
+	GLenum target = GL_TEXTURE_2D;
 
-	if (!image)
-		texnum = 0;
-	else
-		texnum = image->texnum;
-
-	if ( glState.currenttextures[tmu] != texnum ) {
-		GL_SelectTexture( tmu );
-		if (image)
-			image->frameUsed = tr.frameCount;
-		glState.currenttextures[tmu] = texnum;
+	if (image)
+	{
+		if (image->flags & IMGFLAG_CUBEMAP)
+			target = GL_TEXTURE_CUBE_MAP;
 
-		if (image && (image->flags & IMGFLAG_CUBEMAP))
-			qglBindTexture( GL_TEXTURE_CUBE_MAP, texnum );
-		else
-			qglBindTexture( GL_TEXTURE_2D, texnum );
-		GL_SelectTexture( oldtmu );
+		image->frameUsed = tr.frameCount;
+		texture = image->texnum;
+	}
+	else
+	{
+		ri.Printf(PRINT_WARNING, "GL_BindToTMU: NULL image\n");
 	}
+
+	GL_BindMultiTexture(GL_TEXTURE0_ARB + tmu, target, texture);
 }
 
 
@@ -143,39 +92,6 @@ void GL_Cull( int cullType ) {
 }
 
 /*
-** GL_TexEnv
-*/
-void GL_TexEnv( int env )
-{
-	if ( env == glState.texEnv[glState.currenttmu] )
-	{
-		return;
-	}
-
-	glState.texEnv[glState.currenttmu] = env;
-
-
-	switch ( env )
-	{
-	case GL_MODULATE:
-		qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
-		break;
-	case GL_REPLACE:
-		qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
-		break;
-	case GL_DECAL:
-		qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
-		break;
-	case GL_ADD:
-		qglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD );
-		break;
-	default:
-		ri.Error( ERR_DROP, "GL_TexEnv: invalid env '%d' passed", env );
-		break;
-	}
-}
-
-/*
 ** GL_State
 **
 ** This routine is responsible for setting the most commonly changed state
@@ -463,30 +379,20 @@ void RB_BeginDrawingView (void) {
 
 	if (glRefConfig.framebufferObject)
 	{
+		FBO_t *fbo = backEnd.viewParms.targetFbo;
+
 		// FIXME: HUGE HACK: render to the screen fbo if we've already postprocessed the frame and aren't drawing more world
 		// drawing more world check is in case of double renders, such as skyportals
-		if (backEnd.viewParms.targetFbo == NULL)
+		if (fbo == NULL && !(backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL)))
+			fbo = tr.renderFbo;
+
+		if (tr.renderCubeFbo && fbo == tr.renderCubeFbo)
 		{
-			if (!tr.renderFbo || (backEnd.framePostProcessed && (backEnd.refdef.rdflags & RDF_NOWORLDMODEL)))
-			{
-				FBO_Bind(NULL);
-			}
-			else
-			{
-				FBO_Bind(tr.renderFbo);
-			}
+			cubemap_t *cubemap = &tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex];
+			FBO_AttachImage(fbo, cubemap->image, GL_COLOR_ATTACHMENT0_EXT, backEnd.viewParms.targetFboLayer);
 		}
-		else
-		{
-			FBO_Bind(backEnd.viewParms.targetFbo);
 
-			// FIXME: hack for cubemap testing
-			if (tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
-			{
-				//qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, backEnd.viewParms.targetFbo->colorImage[0]->texnum, 0);
-				qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex]->texnum, 0);
-			}
-		}
+		FBO_Bind(fbo);
 	}
 
 	//
@@ -550,8 +456,6 @@ void RB_BeginDrawingView (void) {
 }
 
 
-#define	MAC_EVENT_PUMP_MSEC		5
-
 /*
 ==================
 RB_RenderDrawSurfList
@@ -857,6 +761,7 @@ void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *
 	}
 
 	RE_UploadCinematic (w, h, cols, rows, data, client, dirty);
+	GL_BindToTMU(tr.scratchImage[client], TB_COLORMAP);
 
 	if ( r_speeds->integer ) {
 		end = ri.Milliseconds();
@@ -866,14 +771,7 @@ void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *
 	// FIXME: HUGE hack
 	if (glRefConfig.framebufferObject)
 	{
-		if (!tr.renderFbo || backEnd.framePostProcessed)
-		{
-			FBO_Bind(NULL);
-		}
-		else
-		{
-			FBO_Bind(tr.renderFbo);
-		}
+		FBO_Bind(backEnd.framePostProcessed ? NULL : tr.renderFbo);
 	}
 
 	RB_SetGL2D();
@@ -897,23 +795,30 @@ void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *
 }
 
 void RE_UploadCinematic (int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty) {
+	GLuint texture;
+
+	if (!tr.scratchImage[client])
+	{
+		ri.Printf(PRINT_WARNING, "RE_UploadCinematic: scratch images not initialized\n");
+		return;
+	}
 
-	GL_Bind( tr.scratchImage[client] );
+	texture = tr.scratchImage[client]->texnum;
 
 	// if the scratchImage isn't in the format we want, specify it as a new texture
 	if ( cols != tr.scratchImage[client]->width || rows != tr.scratchImage[client]->height ) {
 		tr.scratchImage[client]->width = tr.scratchImage[client]->uploadWidth = cols;
 		tr.scratchImage[client]->height = tr.scratchImage[client]->uploadHeight = rows;
-		qglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB8, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE, data );
-		qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
-		qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
-		qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
-		qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );	
+		qglTextureImage2D(texture, GL_TEXTURE_2D, 0, GL_RGB8, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+		qglTextureParameterf(texture, GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		qglTextureParameterf(texture, GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+		qglTextureParameterf(texture, GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		qglTextureParameterf(texture, GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 	} else {
 		if (dirty) {
 			// otherwise, just subimage upload it so that drivers can tell we are going to be changing
 			// it and don't try and do a texture compression
-			qglTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, cols, rows, GL_RGBA, GL_UNSIGNED_BYTE, data );
+			qglTextureSubImage2D(texture, GL_TEXTURE_2D, 0, 0, 0, cols, rows, GL_RGBA, GL_UNSIGNED_BYTE, data);
 		}
 	}
 }
@@ -952,16 +857,7 @@ const void *RB_StretchPic ( const void *data ) {
 
 	// FIXME: HUGE hack
 	if (glRefConfig.framebufferObject)
-	{
-		if (!tr.renderFbo || backEnd.framePostProcessed)
-		{
-			FBO_Bind(NULL);
-		}
-		else
-		{
-			FBO_Bind(tr.renderFbo);
-		}
-	}
+		FBO_Bind(backEnd.framePostProcessed ? NULL : tr.renderFbo);
 
 	RB_SetGL2D();
 
@@ -1061,6 +957,9 @@ const void	*RB_DrawSurfs( const void *data ) {
 	if (glRefConfig.framebufferObject && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && (r_depthPrepass->integer || (backEnd.viewParms.flags & VPF_DEPTHSHADOW)))
 	{
 		FBO_t *oldFbo = glState.currentFBO;
+		vec4_t viewInfo;
+
+		VectorSet4(viewInfo, backEnd.viewParms.zFar / r_znear->value, backEnd.viewParms.zFar, 0.0, 0.0);
 
 		backEnd.depthFill = qtrue;
 		qglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
@@ -1073,17 +972,20 @@ const void	*RB_DrawSurfs( const void *data ) {
 			// If we're using multisampling, resolve the depth first
 			FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
 		}
-		else if (tr.renderFbo == NULL)
+		else if (tr.renderFbo == NULL && tr.renderDepthImage)
 		{
 			// If we're rendering directly to the screen, copy the depth to a texture
-			GL_BindToTMU(tr.renderDepthImage, 0);
-			qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, 0, 0, glConfig.vidWidth, glConfig.vidHeight, 0);
+			qglCopyTextureImage2D(tr.renderDepthImage->texnum, GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, 0, 0, glConfig.vidWidth, glConfig.vidHeight, 0);
 		}
 
-		if (r_ssao->integer)
+		if (tr.hdrDepthFbo)
 		{
 			// need the depth in a texture we can do GL_LINEAR sampling on, so copy it to an HDR image
-			FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, tr.hdrDepthFbo, NULL, NULL, NULL, 0);
+			vec4_t srcTexCoords;
+
+			VectorSet4(srcTexCoords, 0.0f, 0.0f, 1.0f, 1.0f);
+
+			FBO_BlitFromTexture(tr.renderDepthImage, srcTexCoords, NULL, tr.hdrDepthFbo, NULL, NULL, NULL, 0);
 		}
 
 		if (r_sunlightMode->integer && backEnd.viewParms.flags & VPF_USESUNLIGHT)
@@ -1148,15 +1050,12 @@ const void	*RB_DrawSurfs( const void *data ) {
 			
 			GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWORIGIN,  backEnd.refdef.vieworg);
 			{
-				vec4_t viewInfo;
 				vec3_t viewVector;
 
 				float zmax = backEnd.viewParms.zFar;
 				float ymax = zmax * tan(backEnd.viewParms.fovY * M_PI / 360.0f);
 				float xmax = zmax * tan(backEnd.viewParms.fovX * M_PI / 360.0f);
 
-				float zmin = r_znear->value;
-
 				VectorScale(backEnd.refdef.viewaxis[0], zmax, viewVector);
 				GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWFORWARD, viewVector);
 				VectorScale(backEnd.refdef.viewaxis[1], xmax, viewVector);
@@ -1164,13 +1063,38 @@ const void	*RB_DrawSurfs( const void *data ) {
 				VectorScale(backEnd.refdef.viewaxis[2], ymax, viewVector);
 				GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWUP,      viewVector);
 
-				VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
-
 				GLSL_SetUniformVec4(&tr.shadowmaskShader, UNIFORM_VIEWINFO, viewInfo);
 			}
 
-
 			RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
+
+			if (r_shadowBlur->integer)
+			{
+				viewInfo[2] = 1.0f / (float)(tr.screenScratchFbo->width);
+				viewInfo[3] = 1.0f / (float)(tr.screenScratchFbo->height);
+
+				FBO_Bind(tr.screenScratchFbo);
+
+				GLSL_BindProgram(&tr.depthBlurShader[0]);
+
+				GL_BindToTMU(tr.screenShadowImage, TB_COLORMAP);
+				GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
+
+				GLSL_SetUniformVec4(&tr.depthBlurShader[0], UNIFORM_VIEWINFO, viewInfo);
+
+				RB_InstantQuad2(quadVerts, texCoords);
+
+				FBO_Bind(tr.screenShadowFbo);
+
+				GLSL_BindProgram(&tr.depthBlurShader[1]);
+
+				GL_BindToTMU(tr.screenScratchImage, TB_COLORMAP);
+				GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
+
+				GLSL_SetUniformVec4(&tr.depthBlurShader[1], UNIFORM_VIEWINFO, viewInfo);
+
+				RB_InstantQuad2(quadVerts, texCoords);
+			}
 		}
 
 		if (r_ssao->integer)
@@ -1178,6 +1102,10 @@ const void	*RB_DrawSurfs( const void *data ) {
 			vec4_t quadVerts[4];
 			vec2_t texCoords[4];
 
+			viewInfo[2] = 1.0f / ((float)(tr.quarterImage[0]->width)  * tan(backEnd.viewParms.fovX * M_PI / 360.0f) * 2.0f);
+			viewInfo[3] = 1.0f / ((float)(tr.quarterImage[0]->height) * tan(backEnd.viewParms.fovY * M_PI / 360.0f) * 2.0f);
+			viewInfo[3] *= (float)backEnd.viewParms.viewportHeight / (float)backEnd.viewParms.viewportWidth;
+
 			FBO_Bind(tr.quarterFbo[0]);
 
 			qglViewport(0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
@@ -1199,20 +1127,14 @@ const void	*RB_DrawSurfs( const void *data ) {
 
 			GL_BindToTMU(tr.hdrDepthImage, TB_COLORMAP);
 
-			{
-				vec4_t viewInfo;
-
-				float zmax = backEnd.viewParms.zFar;
-				float zmin = r_znear->value;
-
-				VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
-
-				GLSL_SetUniformVec4(&tr.ssaoShader, UNIFORM_VIEWINFO, viewInfo);
-			}
+			GLSL_SetUniformVec4(&tr.ssaoShader, UNIFORM_VIEWINFO, viewInfo);
 
 			RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
 
 
+			viewInfo[2] = 1.0f / (float)(tr.quarterImage[0]->width);
+			viewInfo[3] = 1.0f / (float)(tr.quarterImage[0]->height);
+
 			FBO_Bind(tr.quarterFbo[1]);
 
 			qglViewport(0, 0, tr.quarterFbo[1]->width, tr.quarterFbo[1]->height);
@@ -1223,16 +1145,7 @@ const void	*RB_DrawSurfs( const void *data ) {
 			GL_BindToTMU(tr.quarterImage[0],  TB_COLORMAP);
 			GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
 
-			{
-				vec4_t viewInfo;
-
-				float zmax = backEnd.viewParms.zFar;
-				float zmin = r_znear->value;
-
-				VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
-
-				GLSL_SetUniformVec4(&tr.depthBlurShader[0], UNIFORM_VIEWINFO, viewInfo);
-			}
+			GLSL_SetUniformVec4(&tr.depthBlurShader[0], UNIFORM_VIEWINFO, viewInfo);
 
 			RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
 
@@ -1247,16 +1160,7 @@ const void	*RB_DrawSurfs( const void *data ) {
 			GL_BindToTMU(tr.quarterImage[1],  TB_COLORMAP);
 			GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
 
-			{
-				vec4_t viewInfo;
-
-				float zmax = backEnd.viewParms.zFar;
-				float zmin = r_znear->value;
-
-				VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
-
-				GLSL_SetUniformVec4(&tr.depthBlurShader[1], UNIFORM_VIEWINFO, viewInfo);
-			}
+			GLSL_SetUniformVec4(&tr.depthBlurShader[1], UNIFORM_VIEWINFO, viewInfo);
 
 
 			RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
@@ -1314,11 +1218,11 @@ const void	*RB_DrawSurfs( const void *data ) {
 
 	if (glRefConfig.framebufferObject && tr.renderCubeFbo && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
 	{
+		cubemap_t *cubemap = &tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex];
+
 		FBO_Bind(NULL);
-		GL_SelectTexture(TB_CUBEMAP);
-		GL_BindToTMU(tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex], TB_CUBEMAP);
-		qglGenerateMipmapEXT(GL_TEXTURE_CUBE_MAP);
-		GL_SelectTexture(0);
+		if (cubemap && cubemap->image)
+			qglGenerateTextureMipmap(cubemap->image->texnum, GL_TEXTURE_CUBE_MAP);
 	}
 
 	return (const void *)(cmd + 1);
@@ -1395,7 +1299,7 @@ void RB_ShowImages( void ) {
 		{
 			vec4_t quadVerts[4];
 
-			GL_Bind(image);
+			GL_BindToTMU(image, TB_COLORMAP);
 
 			VectorSet4(quadVerts[0], x, y, 0, 1);
 			VectorSet4(quadVerts[1], x + w, y, 0, 1);
@@ -1571,21 +1475,18 @@ const void *RB_CapShadowMap(const void *data)
 
 	if (cmd->map != -1)
 	{
-		GL_SelectTexture(0);
 		if (cmd->cubeSide != -1)
 		{
 			if (tr.shadowCubemaps[cmd->map])
 			{
-				GL_Bind(tr.shadowCubemaps[cmd->map]);
-				qglCopyTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cmd->cubeSide, 0, GL_RGBA8, backEnd.refdef.x, glConfig.vidHeight - ( backEnd.refdef.y + PSHADOW_MAP_SIZE ), PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, 0);
+				qglCopyTextureImage2D(tr.shadowCubemaps[cmd->map]->texnum, GL_TEXTURE_CUBE_MAP_POSITIVE_X + cmd->cubeSide, 0, GL_RGBA8, backEnd.refdef.x, glConfig.vidHeight - ( backEnd.refdef.y + PSHADOW_MAP_SIZE ), PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, 0);
 			}
 		}
 		else
 		{
 			if (tr.pshadowMaps[cmd->map])
 			{
-				GL_Bind(tr.pshadowMaps[cmd->map]);
-				qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, backEnd.refdef.x, glConfig.vidHeight - ( backEnd.refdef.y + PSHADOW_MAP_SIZE ), PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, 0);
+				qglCopyTextureImage2D(tr.pshadowMaps[cmd->map]->texnum, GL_TEXTURE_2D, 0, GL_RGBA8, backEnd.refdef.x, glConfig.vidHeight - (backEnd.refdef.y + PSHADOW_MAP_SIZE), PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, 0);
 			}
 		}
 	}
@@ -1644,10 +1545,6 @@ const void *RB_PostProcess(const void *data)
 		srcBox[2] = backEnd.viewParms.viewportWidth  * tr.screenSsaoImage->width  / (float)glConfig.vidWidth;
 		srcBox[3] = backEnd.viewParms.viewportHeight * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
 
-		//FBO_BlitFromTexture(tr.screenSsaoImage, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
-		srcBox[1] = tr.screenSsaoImage->height - srcBox[1];
-		srcBox[3] = -srcBox[3];
-
 		FBO_Blit(tr.screenSsaoFbo, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
 	}
 
@@ -1658,7 +1555,7 @@ const void *RB_PostProcess(const void *data)
 
 	if (srcFbo)
 	{
-		if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer) && qglActiveTextureARB)
+		if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer))
 		{
 			autoExposure = r_autoExposure->integer || r_forceAutoExposure->integer;
 			RB_ToneMap(srcFbo, srcBox, NULL, dstBox, autoExposure);
@@ -1688,6 +1585,71 @@ const void *RB_PostProcess(const void *data)
 	else
 		RB_GaussianBlur(backEnd.refdef.blurFactor);
 
+#if 0
+	if (0)
+	{
+		vec4_t quadVerts[4];
+		vec2_t texCoords[4];
+		ivec4_t iQtrBox;
+		vec4_t box;
+		vec4_t viewInfo;
+		static float scale = 5.0f;
+
+		scale -= 0.005f;
+		if (scale < 0.01f)
+			scale = 5.0f;
+
+		FBO_FastBlit(NULL, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
+
+		iQtrBox[0] = backEnd.viewParms.viewportX      * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
+		iQtrBox[1] = backEnd.viewParms.viewportY      * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
+		iQtrBox[2] = backEnd.viewParms.viewportWidth  * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
+		iQtrBox[3] = backEnd.viewParms.viewportHeight * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
+
+		qglViewport(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
+		qglScissor(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
+
+		VectorSet4(box, 0.0f, 0.0f, 1.0f, 1.0f);
+
+		texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
+		texCoords[1][0] = box[2]; texCoords[1][1] = box[3];
+		texCoords[2][0] = box[2]; texCoords[2][1] = box[1];
+		texCoords[3][0] = box[0]; texCoords[3][1] = box[1];
+
+		VectorSet4(box, -1.0f, -1.0f, 1.0f, 1.0f);
+
+		VectorSet4(quadVerts[0], box[0], box[3], 0, 1);
+		VectorSet4(quadVerts[1], box[2], box[3], 0, 1);
+		VectorSet4(quadVerts[2], box[2], box[1], 0, 1);
+		VectorSet4(quadVerts[3], box[0], box[1], 0, 1);
+
+		GL_State(GLS_DEPTHTEST_DISABLE);
+
+
+		VectorSet4(viewInfo, backEnd.viewParms.zFar / r_znear->value, backEnd.viewParms.zFar, 0.0, 0.0);
+
+		viewInfo[2] = scale / (float)(tr.quarterImage[0]->width);
+		viewInfo[3] = scale / (float)(tr.quarterImage[0]->height);
+
+		FBO_Bind(tr.quarterFbo[1]);
+		GLSL_BindProgram(&tr.depthBlurShader[2]);
+		GL_BindToTMU(tr.quarterImage[0], TB_COLORMAP);
+		GLSL_SetUniformVec4(&tr.depthBlurShader[2], UNIFORM_VIEWINFO, viewInfo);
+		RB_InstantQuad2(quadVerts, texCoords);
+
+		FBO_Bind(tr.quarterFbo[0]);
+		GLSL_BindProgram(&tr.depthBlurShader[3]);
+		GL_BindToTMU(tr.quarterImage[1], TB_COLORMAP);
+		GLSL_SetUniformVec4(&tr.depthBlurShader[3], UNIFORM_VIEWINFO, viewInfo);
+		RB_InstantQuad2(quadVerts, texCoords);
+
+		SetViewportAndScissor();
+
+		FBO_FastBlit(tr.quarterFbo[1], NULL, NULL, NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
+		FBO_Bind(NULL);
+	}
+#endif
+
 	if (0 && r_sunlightMode->integer)
 	{
 		ivec4_t dstBox;
@@ -1727,7 +1689,7 @@ const void *RB_PostProcess(const void *data)
 		{
 			VectorSet4(dstBox, 0, glConfig.vidHeight - 256, 256, 256);
 			//FBO_BlitFromTexture(tr.renderCubeImage, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
-			FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1], NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
+			FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1].image, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
 		}
 	}
 #endif
@@ -1737,6 +1699,74 @@ const void *RB_PostProcess(const void *data)
 	return (const void *)(cmd + 1);
 }
 
+// FIXME: put this function declaration elsewhere
+void R_SaveDDS(const char *filename, byte *pic, int width, int height, int depth);
+
+/*
+=============
+RB_ExportCubemaps
+
+=============
+*/
+const void *RB_ExportCubemaps(const void *data)
+{
+	const exportCubemapsCommand_t *cmd = data;
+
+	// finish any 2D drawing if needed
+	if (tess.numIndexes)
+		RB_EndSurface();
+
+	if (!glRefConfig.framebufferObject || !tr.world || tr.numCubemaps == 0)
+	{
+		// do nothing
+		ri.Printf(PRINT_ALL, "Nothing to export!\n");
+		return (const void *)(cmd + 1);
+	}
+
+	if (cmd)
+	{
+		FBO_t *oldFbo = glState.currentFBO;
+		int sideSize = r_cubemapSize->integer * r_cubemapSize->integer * 4;
+		byte *cubemapPixels = ri.Malloc(sideSize * 6);
+		int i, j;
+
+		FBO_Bind(tr.renderCubeFbo);
+
+		for (i = 0; i < tr.numCubemaps; i++)
+		{
+			char filename[MAX_QPATH];
+			cubemap_t *cubemap = &tr.cubemaps[i];
+			byte *p = cubemapPixels;
+
+			for (j = 0; j < 6; j++)
+			{
+				FBO_AttachImage(tr.renderCubeFbo, cubemap->image, GL_COLOR_ATTACHMENT0_EXT, j);
+				qglReadPixels(0, 0, r_cubemapSize->integer, r_cubemapSize->integer, GL_RGBA, GL_UNSIGNED_BYTE, p);
+				p += sideSize;
+			}
+
+			if (cubemap->name[0])
+			{
+				COM_StripExtension(cubemap->name, filename, MAX_QPATH);
+				Q_strcat(filename, MAX_QPATH, ".dds");
+			}
+			else
+			{
+				Com_sprintf(filename, MAX_QPATH, "cubemaps/%s/%03d.dds", tr.world->baseName, i);
+			}
+
+			R_SaveDDS(filename, cubemapPixels, r_cubemapSize->integer, r_cubemapSize->integer, 6);
+			ri.Printf(PRINT_ALL, "Saved cubemap %d as %s\n", i, filename);
+		}
+
+		FBO_Bind(oldFbo);
+
+		ri.Free(cubemapPixels);
+	}
+
+	return (const void *)(cmd + 1);
+}
+
 
 /*
 ====================
@@ -1785,6 +1815,9 @@ void RB_ExecuteRenderCommands( const void *data ) {
 		case RC_POSTPROCESS:
 			data = RB_PostProcess(data);
 			break;
+		case RC_EXPORT_CUBEMAPS:
+			data = RB_ExportCubemaps(data);
+			break;
 		case RC_END_OF_LIST:
 		default:
 			// finish any 2D drawing if needed