SL-16418 Media texture update stall fix. Make media texture updates use LLImageGL thread to update, fix AMD sync issue on ImageGL thread and install debug callbacks on LLImageGL thread when debug gl enabled.

1 files changed, 20 insertions, 0 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 92d8e6193f..a03a27cf94 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -36,6 +36,17 @@
 #include "lltexture.h"
 #include "llshadermgr.h"
 
+#if LL_WINDOWS
+extern void APIENTRY gl_debug_callback(GLenum source,
+                                GLenum type,
+                                GLuint id,
+                                GLenum severity,
+                                GLsizei length,
+                                const GLchar* message,
+                                GLvoid* userParam)
+;
+#endif
+
 thread_local LLRender gGL;
 
 // Handy copies of last good GL matrices
@@ -860,6 +871,15 @@ LLRender::~LLRender()
 
 void LLRender::init()
 {
+#if LL_WINDOWS
+    if (gGLManager.mHasDebugOutput && gDebugGL)
+    { //setup debug output callback
+        //glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_TRUE);
+        glDebugMessageCallbackARB((GLDEBUGPROCARB) gl_debug_callback, NULL);
+        glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+    }
+#endif
+
     glPixelStorei(GL_PACK_ALIGNMENT, 1);
     glPixelStorei(GL_UNPACK_ALIGNMENT, 1);