Clear render buffers

gpu/command_buffer/service/gles2_cmd_decoder_unittest_1.cc

 // Copyright (c) 2009 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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include "app/gfx/gl/gl_mock.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
@@ skipping 54 matching lines @@
   if (valid) {
     DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
     DoTexImage2D(
         GL_TEXTURE_2D, 2, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE,
         0, 0);
   }
 };
 
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<FramebufferRenderbuffer, 0>(
-    bool /* valid */) {
+    bool valid) {
   DoBindFramebuffer(GL_FRAMEBUFFER, client_framebuffer_id_,
                     kServiceFramebufferId);
+  if (valid) {
+    // Return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT so the code
+    // doesn't try to clear the buffer. That is tested else where.
+    EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
+        .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT))
+        .RetiresOnSaturation();
+  }
 };
 
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<FramebufferTexture2D, 0>(
-    bool /* valid */) {
+    bool valid) {
   DoBindFramebuffer(GL_FRAMEBUFFER, client_framebuffer_id_,
                     kServiceFramebufferId);
+  if (valid) {
+    // Return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT so the code
+    // doesn't try to clear the buffer. That is tested else where.
+    EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
+        .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT))
+        .RetiresOnSaturation();
+  }
 };
 
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<GetFramebufferAttachmentParameteriv,
                                             0>(bool /* valid */) {
   DoBindFramebuffer(GL_FRAMEBUFFER, client_framebuffer_id_,
                     kServiceFramebufferId);
 };
 
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<GetRenderbufferParameteriv, 0>(
     bool /* valid */) {
   DoBindRenderbuffer(GL_RENDERBUFFER, client_renderbuffer_id_,
                     kServiceRenderbufferId);
 };
 
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<GetProgramInfoLog, 0>(
     bool /* valid */) {
   ProgramManager::ProgramInfo* info = GetProgramInfo(client_program_id_);
   info->set_log_info("hello");
 };
 
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_1_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu