Add support for ES3 MSAA.

src/gpu/gl/android/GrGLCreateNativeInterface_android.cpp

 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc
 
 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gl/GrGLExtensions.h"
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLUtil.h"
 
@@ skipping 131 matching lines @@
         interface->fVertexAttrib4fv = glVertexAttrib4fv;
         interface->fVertexAttribPointer = glVertexAttribPointer;
         interface->fViewport = glViewport;
         interface->fBindFramebuffer = glBindFramebuffer;
         interface->fBindRenderbuffer = glBindRenderbuffer;
         interface->fCheckFramebufferStatus = glCheckFramebufferStatus;
         interface->fDeleteFramebuffers = glDeleteFramebuffers;
         interface->fDeleteRenderbuffers = glDeleteRenderbuffers;
         interface->fFramebufferRenderbuffer = glFramebufferRenderbuffer;
         interface->fFramebufferTexture2D = glFramebufferTexture2D;
+
+#if GR_GL_IGNORE_ES3_MSAA

[robertphillips, 2013/08/23 17:25:34]

could these two if blocks be shared with the !GR_GL_IGNORE_ES2_MSAA path?

[bsalomon, 2013/08/23 17:28:49]

They don't use ES2APPLE or ES2EXT. It'll also be a little easier to just blow
away this whole block after Chrome gets updated.

         if (extensions.has("GL_EXT_multisampled_render_to_texture")) {
 #if GL_EXT_multisampled_render_to_texture
             interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleEXT;
             interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleEXT;
 #else
             interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleEXT");
             interface->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleEXT");
 #endif
         } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) {
 #if GL_IMG_multisampled_render_to_texture
             interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleIMG;
             interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleIMG;
 #else
             interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleIMG");
             interface->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleIMG");
 #endif
         }
+
+#else // GR_GL_IGNORE_ES3_MSAA
+
+        if (version >= GR_GL_VER(3,0)) {
+#if GL_ES_VERSION_3_0
+            interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisample;
+            interface->fBlitFramebuffer = glBlitFramebuffer;
+#else
+            interface->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisample");
+            interface->fBlitFramebuffer = (GrGLBlitFramebufferProc) eglGetProcAddress("glBlitFramebuffer");
+#endif
+        }
+        if (extensions.has("GL_EXT_multisampled_render_to_texture")) {
+#if GL_EXT_multisampled_render_to_texture
+            interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleEXT;
+            interface->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleEXT;
+#else
+            interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleEXT");
+            interface->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleEXT");
+#endif
+        } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) {
+#if GL_IMG_multisampled_render_to_texture
+            interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleIMG;
+            interface->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleIMG;
+#else
+            interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleIMG");
+            interface->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleIMG");
+#endif
+        }
+#endif // GR_GL_IGNORE_ES3_MSAA
+
         interface->fGenFramebuffers = glGenFramebuffers;
         interface->fGenRenderbuffers = glGenRenderbuffers;
         interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv;
         interface->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
         interface->fRenderbufferStorage = glRenderbufferStorage;
 #if GL_OES_mapbuffer
         interface->fMapBuffer = glMapBufferOES;
         interface->fUnmapBuffer = glUnmapBufferOES;
 #else
         interface->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
         interface->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
 #endif
     }
     glInterface.get()->ref();
     return glInterface.get();
 }