MAINT-708 Use texture compression to minimize memory bloat (experimental)

6 files changed, 26 insertions, 6 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 0e26013152..992618ba11 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -7609,6 +7609,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderCompressTextures</key>
+  <map>
+    <key>Comment</key>
+    <string>Enable texture compression on OpenGL 3.0 and later implementations (EXPERIMENTAL, requires restart)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
     <key>RenderPerformanceTest</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 1174d108d2..5941dbc126 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -528,6 +528,7 @@ static void settings_to_globals()
 	LLRender::sGLCoreProfile = gSavedSettings.getBOOL("RenderGLCoreProfile");
 
 	LLImageGL::sGlobalUseAnisotropic	= gSavedSettings.getBOOL("RenderAnisotropic");
+	LLImageGL::sCompressTextures		= gSavedSettings.getBOOL("RenderCompressTextures");
 	LLVOVolume::sLODFactor				= gSavedSettings.getF32("RenderVolumeLODFactor");
 	LLVOVolume::sDistanceFactor			= 1.f-LLVOVolume::sLODFactor * 0.1f;
 	LLVolumeImplFlexible::sUpdateFactor = gSavedSettings.getF32("RenderFlexTimeFactor");
@@ -545,7 +546,7 @@ static void settings_to_globals()
 	gAgentPilot.setNumRuns(gSavedSettings.getS32("StatsNumRuns"));
 	gAgentPilot.setQuitAfterRuns(gSavedSettings.getBOOL("StatsQuitAfterRuns"));
 	gAgent.setHideGroupTitle(gSavedSettings.getBOOL("RenderHideGroupTitle"));
-
+		
 	gDebugWindowProc = gSavedSettings.getBOOL("DebugWindowProc");
 	gShowObjectUpdates = gSavedSettings.getBOOL("ShowObjectUpdates");
 	LLWorldMapView::sMapScale = gSavedSettings.getF32("MapScale");
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index b58efe62ab..6f71e6ebc8 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -1341,8 +1341,7 @@ void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLI
 			// immediately assign bump to a global smart pointer in case some local smart pointer
 			// accidentally releases it.
 			LLPointer<LLViewerTexture> bump = LLViewerTextureManager::getLocalTexture( TRUE );
-			
-			
+
 			if (!LLPipeline::sRenderDeferred)
 			{
 				LLFastTimer t(FTM_BUMP_SOURCE_CREATE);
@@ -1351,6 +1350,10 @@ void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLI
 			}
 			else 
 			{ //convert to normal map
+				
+				//disable compression on normal maps to prevent errors below
+				bump->getGLTexture()->setAllowCompression(false);
+
 				{
 					LLFastTimer t(FTM_BUMP_SOURCE_CREATE);
 					bump->setExplicitFormat(GL_RGBA8, GL_ALPHA);
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 61236edc86..51737149ef 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -3290,10 +3290,14 @@ LLViewerMediaTexture::LLViewerMediaTexture(const LLUUID& id, BOOL usemipmaps, LL
 	sMediaMap.insert(std::make_pair(id, this));
 
 	mGLTexturep = gl_image ;
+
 	if(mGLTexturep.isNull())
 	{
 		generateGLTexture() ;
 	}
+
+	mGLTexturep->setAllowCompression(false);
+
 	mGLTexturep->setNeedsAlphaAndPickMask(FALSE) ;
 
 	mIsPlaying = FALSE ;
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index b96441127d..6b1654ae87 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -263,6 +263,7 @@ protected:
 	void reorganizeVolumeList() ;
 	void setTexelsPerImage();
 private:
+	friend class LLBumpImageList;
 	//note: do not make this function public.
 	/*virtual*/ LLImageGL* getGLTexture() const ;
 	virtual void switchToCachedImage();
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index e2cb22e307..fbaded04b0 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1131,7 +1131,7 @@ void LLPipeline::createGLBuffers()
 			LLImageGL::generateTextures(1, &mNoiseMap);
 			
 			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);
-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB, GL_FLOAT, noise, false);
 			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 		}
 
@@ -1146,7 +1146,7 @@ void LLPipeline::createGLBuffers()
 
 			LLImageGL::generateTextures(1, &mTrueNoiseMap);
 			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);
-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_RGB16F_ARB, noiseRes, noiseRes, GL_RGB,GL_FLOAT, noise, false);
 			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 		}
 
@@ -1182,7 +1182,7 @@ void LLPipeline::createGLBuffers()
 
 			LLImageGL::generateTextures(1, &mLightFunc);
 			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
-			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_R8, lightResX, lightResY, GL_RED, GL_UNSIGNED_BYTE, lg);
+			LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_R8, lightResX, lightResY, GL_RED, GL_UNSIGNED_BYTE, lg, false);
 			gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
 			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_TRILINEAR);