gpu, cmaa: reduce one-copy

gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h

Index: gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h
diff --git a/gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h b/gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h
index 33e787dab385c7487e0eda7acb582e57e4d43a02..855e1e667d6b2519595faff70cb9685b4b587d34 100644
--- a/gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h
+++ b/gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h
@@ -39,7 +39,9 @@ class GPU_EXPORT ApplyFramebufferAttachmentCMAAINTELResourceManager {
 
  private:
   // Applies the CMAA algorithm to a texture.
-  void ApplyCMAAEffectTexture(GLuint source_texture, GLuint dest_texture);
+  void ApplyCMAAEffectTexture(GLuint source_texture,
+                              GLuint dest_texture,
+                              bool do_copy);
 
   void OnSize(GLint width, GLint height);
   void ReleaseTextures();
@@ -79,11 +81,11 @@ class GPU_EXPORT ApplyFramebufferAttachmentCMAAINTELResourceManager {
   GLuint mini4_edge_texture_;
   GLuint mini4_edge_depth_texture_;
 
-  GLuint edges1_shader_result_texture_float4_slot1_;
-  GLuint edges1_shader_result_texture_;
-  GLuint edges_combine_shader_result_texture_float4_slot1_;
-  GLuint process_and_apply_shader_result_texture_float4_slot1_;
-  GLuint edges_combine_shader_result_texture_slot2_;
+  GLuint edges0_shader_result_rgba_texture_slot1_;
+  GLuint edges0_shader_target_texture_slot2_;
+  GLuint edges1_shader_result_edge_texture_;
+  GLuint process_and_apply_shader_result_rgba_texture_slot1_;
+  GLuint edges_combine_shader_result_edge_texture_;
 
   static const char vert_str_[];
   static const char cmaa_frag_s1_[];