Implement TransformFeedbackManager in GPU command buffer.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc

 // Copyright (c) 2012 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_unittest_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 225 matching lines @@
                                  DisallowedFeatures()));
 
   if (init.context_type == CONTEXT_TYPE_WEBGL2 ||
       init.context_type == CONTEXT_TYPE_OPENGLES3) {
     EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_COLOR_ATTACHMENTS, _))
         .WillOnce(SetArgumentPointee<1>(kMaxColorAttachments))
         .RetiresOnSaturation();
     EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_DRAW_BUFFERS, _))
         .WillOnce(SetArgumentPointee<1>(kMaxDrawBuffers))
         .RetiresOnSaturation();
+
+    EXPECT_CALL(*gl_, GenTransformFeedbacks(1, _))
+        .WillOnce(SetArgumentPointee<1>(kServiceDefaultTransformFeedbackId))
+        .RetiresOnSaturation();
+    EXPECT_CALL(*gl_, BindTransformFeedback(GL_TRANSFORM_FEEDBACK,
+                                            kServiceDefaultTransformFeedbackId))
+        .Times(1)
+        .RetiresOnSaturation();
   }
 
   if (group_->feature_info()->feature_flags().native_vertex_array_object) {
     EXPECT_CALL(*gl_, GenVertexArraysOES(1, _))
         .WillOnce(SetArgumentPointee<1>(kServiceVertexArrayId))
         .RetiresOnSaturation();
     EXPECT_CALL(*gl_, BindVertexArrayOES(_)).Times(1).RetiresOnSaturation();
   }
 
   if (group_->feature_info()->workarounds().init_vertex_attributes)
@@ skipping 259 matching lines @@
   // All Tests should have read all their GLErrors before getting here.
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
   if (!decoder_->WasContextLost()) {
     EXPECT_CALL(*gl_, DeleteBuffersARB(1, _)).Times(2).RetiresOnSaturation();
     if (group_->feature_info()->feature_flags().native_vertex_array_object) {
       EXPECT_CALL(*gl_,
                   DeleteVertexArraysOES(1, Pointee(kServiceVertexArrayId)))
           .Times(1)
           .RetiresOnSaturation();
     }
+    if (group_->feature_info()->IsES3Capable()) {
+      // fake default transform feedback.
+      EXPECT_CALL(*gl_, DeleteTransformFeedbacks(1, _))
+          .Times(1)
+          .RetiresOnSaturation();
+    }
+    if (group_->feature_info()->gl_version_info().IsAtLeastGL(4, 0) ||
+        group_->feature_info()->gl_version_info().IsAtLeastGLES(3, 0)) {
+      // |client_transformfeedback_id_|
+      EXPECT_CALL(*gl_, DeleteTransformFeedbacks(1, _))
+          .Times(1)
+          .RetiresOnSaturation();
+    }
   }
 
   decoder_->EndDecoding();
   decoder_->Destroy(!decoder_->WasContextLost());
   decoder_.reset();
   group_->Destroy(mock_decoder_.get(), false);
   engine_.reset();
   ::gfx::MockGLInterface::SetGLInterface(NULL);
   gl_.reset();
   gfx::ClearGLBindings();
@@ skipping 938 matching lines @@
 const GLuint GLES2DecoderTestBase::kServiceFramebufferId;
 const GLuint GLES2DecoderTestBase::kServiceRenderbufferId;
 const GLuint GLES2DecoderTestBase::kServiceSamplerId;
 const GLuint GLES2DecoderTestBase::kServiceTextureId;
 const GLuint GLES2DecoderTestBase::kServiceProgramId;
 const GLuint GLES2DecoderTestBase::kServiceShaderId;
 const GLuint GLES2DecoderTestBase::kServiceElementBufferId;
 const GLuint GLES2DecoderTestBase::kServiceQueryId;
 const GLuint GLES2DecoderTestBase::kServiceVertexArrayId;
 const GLuint GLES2DecoderTestBase::kServiceTransformFeedbackId;
+const GLuint GLES2DecoderTestBase::kServiceDefaultTransformFeedbackId;
 const GLuint GLES2DecoderTestBase::kServiceSyncId;
 
 const int32_t GLES2DecoderTestBase::kSharedMemoryId;
 const size_t GLES2DecoderTestBase::kSharedBufferSize;
 const uint32_t GLES2DecoderTestBase::kSharedMemoryOffset;
 const int32_t GLES2DecoderTestBase::kInvalidSharedMemoryId;
 const uint32_t GLES2DecoderTestBase::kInvalidSharedMemoryOffset;
 const uint32_t GLES2DecoderTestBase::kInitialResult;
 const uint8_t GLES2DecoderTestBase::kInitialMemoryValue;
 
@@ skipping 539 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu