reconciled .hgtags

1 files changed, 143 insertions, 122 deletions

diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 7205210fcc..da1e94df64 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -38,19 +38,20 @@ void check_framebuffer_status()
 {
 	if (gDebugGL)
 	{
-		GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+		GLenum status = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
 		switch (status)
 		{
-		case GL_FRAMEBUFFER_COMPLETE_EXT:
+		case GL_FRAMEBUFFER_COMPLETE:
 			break;
 		default:
+			llwarns << "check_framebuffer_status failed -- " << std::hex << status << llendl;
 			ll_fail("check_framebuffer_status failed");	
 			break;
 		}
 	}
 }
 
-BOOL LLRenderTarget::sUseFBO = FALSE;
+bool LLRenderTarget::sUseFBO = false;
 
 LLRenderTarget::LLRenderTarget() :
 	mResX(0),
@@ -59,8 +60,8 @@ LLRenderTarget::LLRenderTarget() :
 	mFBO(0),
 	mDepth(0),
 	mStencil(0),
-	mUseDepth(FALSE),
-	mRenderDepth(FALSE),
+	mUseDepth(false),
+	mRenderDepth(false),
 	mUsage(LLTexUnit::TT_TEXTURE),
 	mSamples(0),
 	mSampleBuffer(NULL)
@@ -78,7 +79,7 @@ void LLRenderTarget::setSampleBuffer(LLMultisampleBuffer* buffer)
 	mSampleBuffer = buffer;
 }
 
-void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo)
+void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo)
 {
 	stop_glerror();
 	mResX = resx;
@@ -99,24 +100,24 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOO
 			stop_glerror();
 		}
 
-		glGenFramebuffersEXT(1, (GLuint *) &mFBO);
+		glGenFramebuffers(1, (GLuint *) &mFBO);
 
 		if (mDepth)
 		{
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			if (mStencil)
 			{
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 				stop_glerror();
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 				stop_glerror();
 			}
 			else
 			{
-				glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
+				glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
 				stop_glerror();
 			}
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		}
 		
 		stop_glerror();
@@ -168,14 +169,14 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt)
 	}
 	if (mFBO)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
-		glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset,
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset,
 			LLTexUnit::getInternalType(mUsage), tex, 0);
 			stop_glerror();
 
 		check_framebuffer_status();
 		
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 
 	mTex.push_back(tex);
@@ -187,10 +188,10 @@ void LLRenderTarget::allocateDepth()
 	if (mStencil)
 	{
 		//use render buffers where stencil buffers are in play
-		glGenRenderbuffersEXT(1, (GLuint *) &mDepth);
-		glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth);
-		glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, mResX, mResY);
-		glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+		glGenRenderbuffers(1, (GLuint *) &mDepth);
+		glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
+		glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY);
+		glBindRenderbuffer(GL_RENDERBUFFER, 0);
 	}
 	else
 	{
@@ -198,7 +199,7 @@ void LLRenderTarget::allocateDepth()
 		gGL.getTexUnit(0)->bindManual(mUsage, mDepth);
 		U32 internal_type = LLTexUnit::getInternalType(mUsage);
 		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-		LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32_ARB, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
+		LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
 	}
 }
 
@@ -209,54 +210,48 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
 		llerrs << "Cannot share depth buffer between non FBO render targets." << llendl;
 	}
 
+	if (target.mDepth)
+	{
+		llerrs << "Attempting to override existing depth buffer.  Detach existing buffer first." << llendl;
+	}
+
+	if (target.mUseDepth)
+	{
+		llerrs << "Attempting to override existing shared depth buffer. Detach existing buffer first." << llendl;
+	}
+
 	if (mDepth)
 	{
 		stop_glerror();
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, target.mFBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, target.mFBO);
 		stop_glerror();
 
 		if (mStencil)
 		{
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 			stop_glerror();
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);			
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);			
 			stop_glerror();
+			target.mStencil = true;
 		}
 		else
 		{
-			glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
+			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
 			stop_glerror();
-			if (mStencil)
-			{
-				glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
-				stop_glerror();
-			}
 		}
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
-		target.mUseDepth = TRUE;
+		target.mUseDepth = true;
 	}
 }
 
 void LLRenderTarget::release()
 {
-	if (mFBO)
-	{
-		glDeleteFramebuffersEXT(1, (GLuint *) &mFBO);
-		mFBO = 0;
-	}
-
-	if (mTex.size() > 0)
-	{
-		LLImageGL::deleteTextures(mTex.size(), &mTex[0]);
-		mTex.clear();
-	}
-
 	if (mDepth)
 	{
 		if (mStencil)
 		{
-			glDeleteRenderbuffersEXT(1, (GLuint*) &mDepth);
+			glDeleteRenderbuffers(1, (GLuint*) &mDepth);
 			stop_glerror();
 		}
 		else
@@ -266,6 +261,33 @@ void LLRenderTarget::release()
 		}
 		mDepth = 0;
 	}
+	else if (mUseDepth && mFBO)
+	{ //detach shared depth buffer
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		if (mStencil)
+		{ //attached as a renderbuffer
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
+			mStencil = false;
+		}
+		else
+		{ //attached as a texture
+			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0);
+		}
+		mUseDepth = false;
+	}
+
+	if (mFBO)
+	{
+		glDeleteFramebuffers(1, (GLuint *) &mFBO);
+		mFBO = 0;
+	}
+
+	if (mTex.size() > 0)
+	{
+		LLImageGL::deleteTextures(mTex.size(), &mTex[0]);
+		mTex.clear();
+	}
 
 	mSampleBuffer = NULL;
 	sBoundTarget = NULL;
@@ -283,14 +305,14 @@ void LLRenderTarget::bindTarget()
 		}
 		else
 		{
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			if (gGLManager.mHasDrawBuffers)
 			{ //setup multiple render targets
-				GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT,
-										GL_COLOR_ATTACHMENT1_EXT,
-										GL_COLOR_ATTACHMENT2_EXT,
-										GL_COLOR_ATTACHMENT3_EXT};
+				GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
+										GL_COLOR_ATTACHMENT1,
+										GL_COLOR_ATTACHMENT2,
+										GL_COLOR_ATTACHMENT3};
 				glDrawBuffersARB(mTex.size(), drawbuffers);
 			}
 			
@@ -315,7 +337,7 @@ void LLRenderTarget::unbindTarget()
 {
 	if (gGLManager.mHasFramebufferObject)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 	sBoundTarget = NULL;
 }
@@ -349,19 +371,19 @@ U32 LLRenderTarget::getTexture(U32 attachment) const
 	{
 		llerrs << "Invalid attachment index." << llendl;
 	}
+	if (mTex.empty())
+	{
+		return 0;
+	}
 	return mTex[attachment];
 }
 
 void LLRenderTarget::bindTexture(U32 index, S32 channel)
 {
-	if (index > mTex.size()-1)
-	{
-		llerrs << "Invalid attachment index." << llendl;
-	}
-	gGL.getTexUnit(channel)->bindManual(mUsage, mTex[index]);
+	gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index));
 }
 
-void LLRenderTarget::flush(BOOL fetch_depth)
+void LLRenderTarget::flush(bool fetch_depth)
 {
 	gGL.flush();
 	if (!mFBO)
@@ -377,7 +399,7 @@ void LLRenderTarget::flush(BOOL fetch_depth)
 			}
 
 			gGL.getTexUnit(0)->bind(this);
-			glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8_EXT, 0, 0, mResX, mResY, 0);
+			glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8, 0, 0, mResX, mResY, 0);
 		}
 
 		gGL.getTexUnit(0)->disable();
@@ -386,55 +408,59 @@ void LLRenderTarget::flush(BOOL fetch_depth)
 	{
 		stop_glerror();
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
 		stop_glerror();
 	
 		if (mSampleBuffer)
 		{
-			LLGLEnable multisample(GL_MULTISAMPLE_ARB);
+			LLGLEnable multisample(GL_MULTISAMPLE);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			check_framebuffer_status();
-			glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, mSampleBuffer->mFBO);
+			glBindFramebuffer(GL_READ_FRAMEBUFFER, mSampleBuffer->mFBO);
 			check_framebuffer_status();
 			
 			stop_glerror();
-			glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
+			glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
 			stop_glerror();		
 
 			if (mTex.size() > 1)
 			{		
 				for (U32 i = 1; i < mTex.size(); ++i)
 				{
-					glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+					glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 										LLTexUnit::getInternalType(mUsage), mTex[i], 0);
 					stop_glerror();
-					glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]);
+					glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
 					stop_glerror();
-					glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST);		
+					glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST);		
 					stop_glerror();
 				}
 
 				for (U32 i = 0; i < mTex.size(); ++i)
 				{
-					glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i,
+					glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i,
 										LLTexUnit::getInternalType(mUsage), mTex[i], 0);
 					stop_glerror();
-					glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]);
+					glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, GL_RENDERBUFFER, mSampleBuffer->mTex[i]);
 					stop_glerror();
 				}
 			}
 		}
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 }
 
 void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1,
 						S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter)
 {
+	GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
+
+	LLGLDepthTest depth(write_depth, write_depth);
+
 	gGL.flush();
 	if (!source.mFBO || !mFBO)
 	{
@@ -451,25 +477,25 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
 		{
 			stop_glerror();
 		
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, source.mFBO);
+			glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO);
 			gGL.getTexUnit(0)->bind(this, true);
 			stop_glerror();
 			glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 			stop_glerror();
 		}
 		else
 		{
-			glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO);
+			glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
 			stop_glerror();
-			glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, mFBO);
+			glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFBO);
 			stop_glerror();
 			check_framebuffer_status();
 			stop_glerror();
-			glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+			glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
 			stop_glerror();
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
 			stop_glerror();
 		}
 	}
@@ -484,22 +510,26 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0
 		llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl;
 	}
 	{
-		glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO);
+		GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE;
+
+		LLGLDepthTest depth(write_depth, write_depth);
+		
+		glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO);
 		stop_glerror();
-		glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
 		stop_glerror();
 		check_framebuffer_status();
 		stop_glerror();
-		glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+		glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
 		stop_glerror();
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		stop_glerror();
 	}
 }
 
-BOOL LLRenderTarget::isComplete() const
+bool LLRenderTarget::isComplete() const
 {
-	return (!mTex.empty() || mDepth) ? TRUE : FALSE;
+	return (!mTex.empty() || mDepth) ? true : false;
 }
 
 void LLRenderTarget::getViewport(S32* viewport)
@@ -520,26 +550,26 @@ LLMultisampleBuffer::LLMultisampleBuffer()
 
 LLMultisampleBuffer::~LLMultisampleBuffer()
 {
-	releaseSampleBuffer();
+	release();
 }
 
-void LLMultisampleBuffer::releaseSampleBuffer()
+void LLMultisampleBuffer::release()
 {
 	if (mFBO)
 	{
-		glDeleteFramebuffersEXT(1, (GLuint *) &mFBO);
+		glDeleteFramebuffers(1, (GLuint *) &mFBO);
 		mFBO = 0;
 	}
 
 	if (mTex.size() > 0)
 	{
-		glDeleteRenderbuffersEXT(mTex.size(), (GLuint *) &mTex[0]);
+		glDeleteRenderbuffers(mTex.size(), (GLuint *) &mTex[0]);
 		mTex.clear();
 	}
 
 	if (mDepth)
 	{
-		glDeleteRenderbuffersEXT(1, (GLuint *) &mDepth);
+		glDeleteRenderbuffers(1, (GLuint *) &mDepth);
 		mDepth = 0;
 	}
 }
@@ -556,13 +586,13 @@ void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref)
 		ref = this;
 	}
 
-	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+	glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 	if (gGLManager.mHasDrawBuffers)
 	{ //setup multiple render targets
-		GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT,
-								GL_COLOR_ATTACHMENT1_EXT,
-								GL_COLOR_ATTACHMENT2_EXT,
-								GL_COLOR_ATTACHMENT3_EXT};
+		GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0,
+								GL_COLOR_ATTACHMENT1,
+								GL_COLOR_ATTACHMENT2,
+								GL_COLOR_ATTACHMENT3};
 		glDrawBuffersARB(ref->mTex.size(), drawbuffers);
 	}
 
@@ -573,12 +603,12 @@ void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref)
 	sBoundTarget = this;
 }
 
-void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil,  LLTexUnit::eTextureType usage, BOOL use_fbo )
+void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil,  LLTexUnit::eTextureType usage, bool use_fbo )
 {
 	allocate(resx,resy,color_fmt,depth,stencil,usage,use_fbo,2);
 }
 
-void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil,  LLTexUnit::eTextureType usage, BOOL use_fbo, U32 samples )
+void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil,  LLTexUnit::eTextureType usage, bool use_fbo, U32 samples )
 {
 	stop_glerror();
 	mResX = resx;
@@ -588,12 +618,7 @@ void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth
 	mUseDepth = depth;
 	mStencil = stencil;
 
-	releaseSampleBuffer();
-
-	if (!gGLManager.mHasFramebufferMultisample)
-	{
-		llerrs << "Attempting to allocate unsupported render target type!" << llendl;
-	}
+	release();
 
 	mSamples = samples;
 	
@@ -614,23 +639,21 @@ void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth
 			stop_glerror();
 		}
 
-		glGenFramebuffersEXT(1, (GLuint *) &mFBO);
+		glGenFramebuffers(1, (GLuint *) &mFBO);
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
 
 		if (mDepth)
 		{
-			glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);
+			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth);
 			if (mStencil)
 			{
-				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth);			
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth);			
 			}
-			glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 		}
-		
+	
 		stop_glerror();
-
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 		stop_glerror();
 	}
 
@@ -652,30 +675,28 @@ void LLMultisampleBuffer::addColorAttachment(U32 color_fmt)
 	}
 
 	U32 tex;
-	glGenRenderbuffersEXT(1, &tex);
+	glGenRenderbuffers(1, &tex);
 	
-	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, tex);
-	glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, color_fmt, mResX, mResY);
+	glBindRenderbuffer(GL_RENDERBUFFER, tex);
+	glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, color_fmt, mResX, mResY);
 	stop_glerror();
 
 	if (mFBO)
 	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
-		glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset, GL_RENDERBUFFER_EXT, tex);
+		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, GL_RENDERBUFFER, tex);
 		stop_glerror();
-		GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+		GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
 		switch (status)
 		{
-		case GL_FRAMEBUFFER_COMPLETE_EXT:
-			break;
-		case GL_FRAMEBUFFER_UNSUPPORTED_EXT:
-			llerrs << "WTF?" << llendl;
+		case GL_FRAMEBUFFER_COMPLETE:
 			break;
 		default:
-			llerrs << "WTF?" << llendl;
+			llerrs << "WTF? " << std::hex << status << llendl;
+			break;
 		}
 
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	}
 
 	mTex.push_back(tex);
@@ -683,15 +704,15 @@ void LLMultisampleBuffer::addColorAttachment(U32 color_fmt)
 
 void LLMultisampleBuffer::allocateDepth()
 {
-	glGenRenderbuffersEXT(1, (GLuint* ) &mDepth);
-	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth);
+	glGenRenderbuffers(1, (GLuint* ) &mDepth);
+	glBindRenderbuffer(GL_RENDERBUFFER, mDepth);
 	if (mStencil)
 	{
-		glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH24_STENCIL8_EXT, mResX, mResY);	
+		glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH24_STENCIL8, mResX, mResY);	
 	}
 	else
 	{
-		glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH_COMPONENT16_ARB, mResX, mResY);	
+		glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH_COMPONENT16, mResX, mResY);	
 	}
 }