Add a new header for some constants from Context.h.

TRAC #22518

Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1936 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Context.h b/src/libGLESv2/Context.h
index 8401a64..770ad1c 100644
--- a/src/libGLESv2/Context.h
+++ b/src/libGLESv2/Context.h
@@ -28,6 +28,7 @@
 #include "common/RefCountObject.h"
 #include "libGLESv2/HandleAllocator.h"
 #include "libGLESv2/angletypes.h"
+#include "libGLESv2/Constants.h"
 
 namespace rx
 {
@@ -60,20 +61,6 @@
 class ResourceManager;
 class Buffer;
 
-enum
-{
-    MAX_DRAW_BUFFERS = 1,
-
-    MAX_VERTEX_ATTRIBS = 16,
-    MAX_TEXTURE_IMAGE_UNITS = 16,
-
-    // Implementation upper limits, real maximums depend on the hardware
-    IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS = 16,
-    IMPLEMENTATION_MAX_COMBINED_TEXTURE_IMAGE_UNITS = MAX_TEXTURE_IMAGE_UNITS + IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS,    
-
-    IMPLEMENTATION_MAX_VARYING_VECTORS = 32
-};
-
 enum QueryType
 {
     QUERY_ANY_SAMPLES_PASSED,
@@ -82,10 +69,6 @@
     QUERY_TYPE_COUNT
 };
 
-const float ALIASED_LINE_WIDTH_RANGE_MIN = 1.0f;
-const float ALIASED_LINE_WIDTH_RANGE_MAX = 1.0f;
-const float ALIASED_POINT_SIZE_RANGE_MIN = 1.0f;
-
 // Helper structure describing a single vertex attribute
 class VertexAttribute
 {