Linux: use generated shim headers for system mesa.

gpu/GLES2/gl2extchromium.h

Index: gpu/GLES2/gl2extchromium.h
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index 7ea2e2856865ac592a80dfb7432771d126d8939c..4d6991322342394053ec72f8b00f14043e2a9292 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -276,6 +276,34 @@ typedef void (GL_APIENTRYP PFNGLBINDUNIFORMLOCATIONCHROMIUMPROC) (
 #endif
 #endif  /* GL_CHROMIUM_texture_compression_dxt3 */
 
+/* GL_ANGLE_instanced_arrays */

[greggman, 2013/01/10 21:21:02]

I don't understand this change. Why are we editing this file to use the system
mesa headers?

[Paweł Hajdan Jr., 2013/01/10 21:52:03]

System headers are buggy and do not contain "#define GL_ANGLE_instanced_arrays
1" line, confusing generate_bindings.py (in fact it just bails out with an
error).

+#ifndef GL_ANGLE_instanced_arrays
+#define GL_ANGLE_instanced_arrays 1
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDrawArraysInstancedANGLE(
+    GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+#endif
+typedef void (
+    GL_APIENTRYP PFNGLDRAWARRAYSINSTANCEDANGLEPROC) (
+        GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glDrawElementsInstancedANGLE(
+    GLenum mode, GLsizei count, GLenum type, const void* indices,
+    GLsizei primcount);
+#endif
+typedef void (
+    GL_APIENTRYP PFNGLDRAWELEMENTSINSTANCEDANGLEPROC) (
+        GLenum mode, GLsizei count, GLenum type, const void* indices,
+        GLsizei primcount);
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glVertexAttribDivisorANGLE(
+    GLuint index, GLuint divisor);
+#endif
+typedef void (
+    GL_APIENTRYP PFNGLVERTEXATTRIBDIVISORANGLEPROC) (
+        GLuint index, GLuint divisor);
+#endif  /* GL_ANGLE_instanced_arrays */
+
 /* GL_CHROMIUM_texture_compression_dxt5 */
 #ifndef GL_CHROMIUM_texture_compression_dxt5
 #define GL_CHROMIUM_texture_compression_dxt5 1