[OPENGL]

- Add some optimizations (GCC) on compilation of libMesa
- Move opengl32 to the opengl directory
- Disable ICD refcounting for now, it does more harm than good.

svn path=/trunk/; revision=57153

reactos/dll/opengl/mesa/CMakeLists.txt

@@ -14,6 +14,8 @@ include_directories(
 if(NOT MSVC)
     add_compile_flags_language("-std=gnu99" "C")
     add_compile_flags("-Wno-deprecated-declarations")
+    # optimizations (builtin memcmp is slow on some gcc versions) used in SConsript files
+    add_compile_flags("-ffast-math -fno-builtin-memcmp")
 else()
     include_directories(include/c99)
     add_compile_flags("/wd4996")

reactos/dll/opengl/opengl32/wgl.c

@@ -129,6 +129,8 @@ VOID
 ROSGL_DeleteDCDataForICD( GLDRIVERDATA *icd )
 {
     GLDCDATA *p, **pptr;
+    
+    return;
 
     /* synchronize */
     if (WaitForSingleObject( OPENGL32_processdata.dcdata_mutex, INFINITE ) ==