mesa: move GL_HALF_FLOAT_OES definition to glheader.h

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/mesa/main/glheader.h

@@ -144,6 +144,13 @@ typedef void *GLeglImageOES;
 #endif
 
 
+/* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT.
+ */
+#ifndef GL_HALF_FLOAT_OES
+#define GL_HALF_FLOAT_OES 0x8D61
+#endif
+
+
 /**
  * Internal token to represent a GLSL shader program (a collection of
  * one or more shaders that get linked together).  Note that GLSL

src/mesa/main/readpix.c

@@ -40,11 +40,6 @@
 #include "fbobject.h"
 #include "teximage.h"
 
-/* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT.
- */
-#ifndef GL_HALF_FLOAT_OES
-#define GL_HALF_FLOAT_OES 0x8D61
-#endif
 
 /**
  * Tries to implement glReadPixels() of GL_DEPTH_COMPONENT using memcpy of the

src/mesa/main/teximage.c

@@ -50,12 +50,6 @@
 #include "glformats.h"
 
 
-/* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT.
- */
-#ifndef GL_HALF_FLOAT_OES
-#define GL_HALF_FLOAT_OES 0x8D61
-#endif
-
 /**
  * State changes which we care about for glCopyTex[Sub]Image() calls.
  * In particular, we care about pixel transfer state and buffer state