Improve indexed gl state related GL commands.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc

 // Copyright 2014 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 <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 3238 matching lines @@
       .Times(0);
   EXPECT_CALL(*gl_, GetIntegerv(_, _)).Times(1).RetiresOnSaturation();
   cmd.Init(GL_IMPLEMENTATION_COLOR_READ_TYPE,
            shared_memory_id_,
            shared_memory_offset_);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(1, result->GetNumResults());
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
+TEST_P(GLES3DecoderTest, FramebufferTextureLayerNoBoundFramebuffer) {
+  DoBindTexture(GL_TEXTURE_3D, client_texture_id_, kServiceTextureId);
+  EXPECT_CALL(*gl_, FramebufferTextureLayer(_, _, _, _, _)).Times(0);
+  cmds::FramebufferTextureLayer cmd;
+  cmd.Init(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, client_texture_id_, 4, 5);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
+}
+
+TEST_P(GLES3DecoderTest, FramebufferTextureLayerInvalidTextureTarget) {
+  DoBindFramebuffer(
+      GL_FRAMEBUFFER, client_framebuffer_id_, kServiceFramebufferId);
+  DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
+  EXPECT_CALL(*gl_, FramebufferTextureLayer(_, _, _, _, _)).Times(0);
+  cmds::FramebufferTextureLayer cmd;
+  cmd.Init(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, client_texture_id_, 4, 5);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
+}
+
+TEST_P(GLES3DecoderTest, FramebufferTextureLayerValidArgs) {
+  DoBindFramebuffer(
+      GL_FRAMEBUFFER, client_framebuffer_id_, kServiceFramebufferId);
+  DoBindTexture(GL_TEXTURE_3D, client_texture_id_, kServiceTextureId);
+  EXPECT_CALL(*gl_, FramebufferTextureLayer(GL_FRAMEBUFFER,
+                                            GL_COLOR_ATTACHMENT0,
+                                            kServiceTextureId, 4, 5))
+      .Times(1)
+      .RetiresOnSaturation();
+  cmds::FramebufferTextureLayer cmd;
+  cmd.Init(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, client_texture_id_, 4, 5);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_NO_ERROR, GetGLError());
+}
+
 // TODO(gman): PixelStorei
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu