merge

1 files changed, 29 insertions, 4 deletions

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index c224ab0e9b..e07ff0015c 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -128,9 +128,21 @@ PFNGLGETBUFFERPARAMETERIVARBPROC	glGetBufferParameterivARB = NULL;
 PFNGLGETBUFFERPOINTERVARBPROC		glGetBufferPointervARB = NULL;
 
 // GL_ARB_map_buffer_range
-PFNGLMAPBUFFERRANGEPROC			glMapBufferRange;
-PFNGLFLUSHMAPPEDBUFFERRANGEPROC	glFlushMappedBufferRange;
-
+PFNGLMAPBUFFERRANGEPROC			glMapBufferRange = NULL;
+PFNGLFLUSHMAPPEDBUFFERRANGEPROC	glFlushMappedBufferRange = NULL;
+
+// GL_ARB_sync
+PFNGLFENCESYNCPROC				glFenceSync = NULL;
+PFNGLISSYNCPROC					glIsSync = NULL;
+PFNGLDELETESYNCPROC				glDeleteSync = NULL;
+PFNGLCLIENTWAITSYNCPROC			glClientWaitSync = NULL;
+PFNGLWAITSYNCPROC				glWaitSync = NULL;
+PFNGLGETINTEGER64VPROC			glGetInteger64v = NULL;
+PFNGLGETSYNCIVPROC				glGetSynciv = NULL;
+
+// GL_APPLE_flush_buffer_range
+PFNGLBUFFERPARAMETERIAPPLEPROC	glBufferParameteriAPPLE = NULL;
+PFNGLFLUSHMAPPEDBUFFERRANGEAPPLEPROC glFlushMappedBufferRangeAPPLE = NULL;
 
 // vertex object prototypes
 PFNGLNEWOBJECTBUFFERATIPROC			glNewObjectBufferATI = NULL;
@@ -334,9 +346,10 @@ LLGLManager::LLGLManager() :
 	mHasFramebufferObject(FALSE),
 	mMaxSamples(0),
 	mHasBlendFuncSeparate(FALSE),
-
+	mHasSync(FALSE),
 	mHasVertexBufferObject(FALSE),
 	mHasMapBufferRange(FALSE),
+	mHasFlushBufferRange(FALSE),
 	mHasPBuffer(FALSE),
 	mHasShaderObjects(FALSE),
 	mHasVertexShader(FALSE),
@@ -774,7 +787,9 @@ void LLGLManager::initExtensions()
 	mHasOcclusionQuery = ExtensionExists("GL_ARB_occlusion_query", gGLHExts.mSysExts);
 	mHasOcclusionQuery2 = ExtensionExists("GL_ARB_occlusion_query2", gGLHExts.mSysExts);
 	mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
+	mHasSync = ExtensionExists("GL_ARB_sync", gGLHExts.mSysExts);
 	mHasMapBufferRange = ExtensionExists("GL_ARB_map_buffer_range", gGLHExts.mSysExts);
+	mHasFlushBufferRange = ExtensionExists("GL_APPLE_flush_buffer_range", gGLHExts.mSysExts);
 	mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
 	// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
 #ifdef GL_ARB_framebuffer_object
@@ -969,6 +984,16 @@ void LLGLManager::initExtensions()
 			mHasVertexBufferObject = FALSE;
 		}
 	}
+	if (mHasSync)
+	{
+		glFenceSync = (PFNGLFENCESYNCPROC) GLH_EXT_GET_PROC_ADDRESS("glFenceSync");

+		glIsSync = (PFNGLISSYNCPROC) GLH_EXT_GET_PROC_ADDRESS("glIsSync");

+		glDeleteSync = (PFNGLDELETESYNCPROC) GLH_EXT_GET_PROC_ADDRESS("glDeleteSync");

+		glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC) GLH_EXT_GET_PROC_ADDRESS("glClientWaitSync");

+		glWaitSync = (PFNGLWAITSYNCPROC) GLH_EXT_GET_PROC_ADDRESS("glWaitSync");

+		glGetInteger64v = (PFNGLGETINTEGER64VPROC) GLH_EXT_GET_PROC_ADDRESS("glGetInteger64v");

+		glGetSynciv = (PFNGLGETSYNCIVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetSynciv");
+	}
 	if (mHasMapBufferRange)
 	{
 		glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glMapBufferRange");