SH-469 WIP -- get rid of LLMultiSampleBuffer and use GL_ARB_texture_multisample instead.

1 files changed, 26 insertions, 59 deletions

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index f64eb89866..964836ff90 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -580,11 +580,6 @@ void LLPipeline::allocatePhysicsBuffer()
 	if (mPhysicsDisplay.getWidth() != resX || mPhysicsDisplay.getHeight() != resY)
 	{
 		mPhysicsDisplay.allocate(resX, resY, GL_RGBA, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
-		if (mSampleBuffer.getWidth() == mPhysicsDisplay.getWidth() && 
-			mSampleBuffer.getHeight() == mPhysicsDisplay.getHeight())
-		{
-			mPhysicsDisplay.setSampleBuffer(&mSampleBuffer);
-		}
 	}
 }
 
@@ -621,16 +616,16 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		bool gi = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED);
 
 		//allocate deferred rendering color buffers
-		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
-		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);
+		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);
 		addDeferredAttachments(mDeferredScreen);
 	
-		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
+		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);		
 		mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
 
 		if (shadow_detail > 0 || ssao)
 		{ //only need mDeferredLight[0] for shadows OR ssao
-			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);
 		}
 		else
 		{
@@ -639,7 +634,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		if (ssao)
 		{ //only need mDeferredLight[1] for ssao
-			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false, samples);
 		}
 		else
 		{
@@ -648,7 +643,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		if (gi)
 		{ //only need mDeferredLight[2] and mGIMapPost for gi
-			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false);
 			for (U32 i = 0; i < 2; i++)
 			{
 				mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
@@ -729,25 +724,6 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
 	}
 	
-	if (LLRenderTarget::sUseFBO && samples > 1)
-	{ 
-		mSampleBuffer.allocate(resX,resY,GL_RGBA,TRUE,TRUE,LLTexUnit::TT_RECT_TEXTURE,FALSE,samples);
-		if (LLPipeline::sRenderDeferred)
-		{
-			addDeferredAttachments(mSampleBuffer);
-			mDeferredScreen.setSampleBuffer(&mSampleBuffer);
-			mEdgeMap.setSampleBuffer(&mSampleBuffer);
-		}
-
-		mScreen.setSampleBuffer(&mSampleBuffer);
-
-		stop_glerror();
-	}
-	else
-	{
-		mSampleBuffer.release();
-	}
-	
 	if (LLPipeline::sRenderDeferred)
 	{ //share depth buffer between deferred targets
 		mDeferredScreen.shareDepthBuffer(mScreen);
@@ -826,7 +802,6 @@ void LLPipeline::releaseGLBuffers()
 	mScreen.release();
 	mPhysicsDisplay.release();
 	mUIScreen.release();
-	mSampleBuffer.release();
 	mDeferredScreen.release();
 	mDeferredDepth.release();
 	for (U32 i = 0; i < 3; i++)
@@ -6420,11 +6395,10 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 			shader->uniform1f("magnification", magnification);
 		}
 
-		S32 channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
+		S32 channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, mScreen.getUsage());
 		if (channel > -1)
 		{
 			mScreen.bindTexture(0, channel);
-			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
 		}
 		//channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
 		//if (channel > -1)
@@ -6567,21 +6541,21 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRen
 
 	shader.bind();
 	S32 channel = 0;
-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, mDeferredScreen.getUsage());
 	if (channel > -1)
 	{
 		mDeferredScreen.bindTexture(0,channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, mDeferredScreen.getUsage());
 	if (channel > -1)
 	{
 		mDeferredScreen.bindTexture(1, channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, mDeferredScreen.getUsage());
 	if (channel > -1)
 	{
 		mDeferredScreen.bindTexture(2, channel);
@@ -6704,22 +6678,16 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRen
 			shader.uniformMatrix4fv("gi_norm_mat", 1, FALSE, mGINormalMatrix.m);
 		}
 	}
-	
-	/*channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);
-	if (channel > -1)
-	{
-		mDeferredScreen.bindTexture(3, channel);
-	}*/
+	stop_glerror();
 
-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, mDeferredDepth.getUsage());
 	if (channel > -1)
 	{
 		gGL.getTexUnit(channel)->bind(&mDeferredDepth, TRUE);
-		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 		stop_glerror();
 		
-		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		
-		glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		
+		//glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		
+		//glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		
 
 		stop_glerror();
 
@@ -6748,7 +6716,7 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, LLRen
 
 	stop_glerror();
 
-	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	channel = shader.enableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, mDeferredLight[light_index].getUsage());
 	if (channel > -1)
 	{
 		mDeferredLight[light_index].bindTexture(0, channel);
@@ -6968,9 +6936,9 @@ void LLPipeline::renderDeferredLighting()
 		}
 
 		//ati doesn't seem to love actually using the stencil buffer on FBO's
-		LLGLEnable stencil(GL_STENCIL_TEST);
-		glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
-		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+		LLGLDisable stencil(GL_STENCIL_TEST);
+		//glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
+		//glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
 
 		gGL.setColorMask(true, true);
 		
@@ -7789,16 +7757,15 @@ void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)
 void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)
 {
 	stop_glerror();
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_POSITION, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL, mDeferredScreen.getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, mDeferredScreen.getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SPECULAR, mDeferredScreen.getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, mDeferredScreen.getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LIGHT, mDeferredLight[0].getUsage());
 	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_EDGE, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
-	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, LLTexUnit::TT_RECT_TEXTURE);
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_EDGE, mEdgeMap.getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_SUN_LIGHT, mDeferredLight[1].getUsage());
+	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LOCAL_LIGHT, mDeferredLight[2].getUsage());
 	shader.disableTexture(LLViewerShaderMgr::DEFERRED_LUMINANCE);
 	shader.disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 	shader.disableTexture(LLViewerShaderMgr::DEFERRED_GI_MIP);