Merge viewer-bear maint RC changes to get this build closer to the RC it will follow

1 files changed, 14 insertions, 3 deletions

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index a157cd94c4..acfb3c085a 100755
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -59,6 +59,7 @@ BOOL gDebugGL = FALSE;
 BOOL gClothRipple = FALSE;
 BOOL gHeadlessClient = FALSE;
 BOOL gGLActive = FALSE;
+BOOL gGLDebugLoggingEnabled = TRUE;
 
 static const std::string HEADLESS_VENDOR_STRING("Linden Lab");
 static const std::string HEADLESS_RENDERER_STRING("Headless");
@@ -80,6 +81,8 @@ void APIENTRY gl_debug_callback(GLenum source,
                                 const GLchar* message,
                                 GLvoid* userParam)
 {
+	if (gGLDebugLoggingEnabled)
+	{
 	if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
 	{
 		llwarns << "----- GL ERROR --------" << llendl;
@@ -98,6 +101,7 @@ void APIENTRY gl_debug_callback(GLenum source,
 		llerrs << "Halting on GL Error" << llendl;
 	}
 }
+}
 #endif
 
 void parse_glsl_version(S32& major, S32& minor);
@@ -258,6 +262,7 @@ PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback = NULL;
 PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback = NULL;
 PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings = NULL;
 PFNGLBINDBUFFERRANGEPROC glBindBufferRange = NULL;
+PFNGLBINDBUFFERBASEPROC glBindBufferBase = NULL;
 
 //GL_ARB_debug_output
 PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB = NULL;
@@ -1156,7 +1161,7 @@ void LLGLManager::initExtensions()
 	glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, (GLint*) &mGLMaxVertexRange);
 	glGetIntegerv(GL_MAX_ELEMENTS_INDICES, (GLint*) &mGLMaxIndexRange);
 	glGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*) &mGLMaxTextureSize);
-	
+
 #if (LL_WINDOWS || LL_LINUX || LL_SOLARIS) && !LL_MESA_HEADLESS
 	LL_DEBUGS("RenderInit") << "GL Probe: Getting symbols" << LL_ENDL;
 	if (mHasVertexBufferObject)
@@ -1247,6 +1252,7 @@ void LLGLManager::initExtensions()
 		glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glEndTransformFeedback");
 		glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) GLH_EXT_GET_PROC_ADDRESS("glTransformFeedbackVaryings");
 		glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferRange");
+		glBindBufferBase = (PFNGLBINDBUFFERBASEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferBase");
 	}
 	if (mHasDebugOutput)
 	{
@@ -1501,7 +1507,7 @@ void do_assert_glerror()
 
 void assert_glerror()
 {
-	if (!gGLActive)
+/*	if (!gGLActive)
 	{
 		//llwarns << "GL used while not active!" << llendl;
 
@@ -1510,8 +1516,13 @@ void assert_glerror()
 			//ll_fail("GL used while not active");
 		}
 	}
+*/
 
-	if (gDebugGL) 
+	if (!gDebugGL) 
+	{
+		//funny looking if for branch prediction -- gDebugGL is almost always false and assert_glerror is called often
+	}
+	else
 	{
 		do_assert_glerror();
 	}