Split DEPTH_STENCIL into DEPTH and STENCIL in command buffer

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 03ce04134dc62c31df4633c1137cbb290af7591c..fb9377f56e24ba9c6cc3e34eb6050ae018663179 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -7002,7 +7002,12 @@ void GLES2DecoderImpl::DoFramebufferRenderbuffer(
   }
   GLenum error = LOCAL_PEEK_GL_ERROR("glFramebufferRenderbuffer");
   if (error == GL_NO_ERROR) {
-    framebuffer->AttachRenderbuffer(attachment, renderbuffer);
+    if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {

[Zhenyao Mo, 2016/07/20 20:28:10]

You will need to do the same in DoFramebufferTexture2DCommon and
DoFramebufferTextureLayer.

+      framebuffer->AttachRenderbuffer(GL_DEPTH_ATTACHMENT, renderbuffer);
+      framebuffer->AttachRenderbuffer(GL_STENCIL_ATTACHMENT, renderbuffer);
+    } else {
+      framebuffer->AttachRenderbuffer(attachment, renderbuffer);
+    }
   }
   if (framebuffer == framebuffer_state_.bound_draw_framebuffer.get()) {
     framebuffer_state_.clear_state_dirty = true;