Fix depth texture sampling on compatibility profile.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.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 <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 3742 matching lines @@
       DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
       CopyTexImage2D cmd;
       cmd.Init(target, level, destination_texture_format, 0, 0, width, height);
       EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
       GLenum expectation = should_succeed ? GL_NO_ERROR : GL_INVALID_OPERATION;
       EXPECT_EQ(expectation, static_cast<GLenum>(GetGLError()));
     }
   }
 }
 
+TEST_P(GLES2DecoderTest, BindTextureValidArgs) {
+  EXPECT_CALL(*gl_, BindTexture(GL_TEXTURE_2D, kServiceTextureId))
+      .Times(1)
+      .RetiresOnSaturation();
+  if (!feature_info()->gl_version_info().BehavesLikeGLES() &&
+      feature_info()->gl_version_info().IsAtLeastGL(3, 2)) {
+    EXPECT_CALL(*gl_, TexParameteri(GL_TEXTURE_2D,
+                                    GL_DEPTH_TEXTURE_MODE,
+                                    GL_RED))
+        .Times(1)
+        .RetiresOnSaturation();
+  }
+  cmds::BindTexture cmd;
+  cmd.Init(GL_TEXTURE_2D, client_texture_id_);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_NO_ERROR, GetGLError());
+}
+
+TEST_P(GLES2DecoderTest, BindTextureValidArgsNewId) {
+  EXPECT_CALL(*gl_, BindTexture(GL_TEXTURE_2D, kNewServiceId))
+      .Times(1)
+      .RetiresOnSaturation();
+  EXPECT_CALL(*gl_, GenTextures(1, _))
+      .WillOnce(SetArgumentPointee<1>(kNewServiceId));
+  if (!feature_info()->gl_version_info().BehavesLikeGLES() &&
+      feature_info()->gl_version_info().IsAtLeastGL(3, 2)) {
+    EXPECT_CALL(*gl_, TexParameteri(GL_TEXTURE_2D,
+                                    GL_DEPTH_TEXTURE_MODE,
+                                    GL_RED))
+        .Times(1)
+        .RetiresOnSaturation();
+  }
+  cmds::BindTexture cmd;
+  cmd.Init(GL_TEXTURE_2D, kNewClientId);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_NO_ERROR, GetGLError());
+  EXPECT_TRUE(GetTexture(kNewClientId) != NULL);
+}
+
+TEST_P(GLES2DecoderTest, BindTextureInvalidArgs) {
+  EXPECT_CALL(*gl_, BindTexture(_, _)).Times(0);
+  cmds::BindTexture cmd;
+  cmd.Init(GL_TEXTURE_1D, client_texture_id_);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
+
+  cmd.Init(GL_TEXTURE_3D, client_texture_id_);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
+}
+
 // TODO(gman): Complete this test.
 // TEST_P(GLES2DecoderTest, CompressedTexImage2DGLError) {
 // }
 
 // TODO(gman): CompressedTexImage2D
 
 // TODO(gman): CompressedTexImage2DImmediate
 
 // TODO(gman): CompressedTexSubImage2DImmediate
 
 // TODO(gman): TexImage2D
 
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 }  // namespace gles2
 }  // namespace gpu