Correctly limit glTexStorage*(GL_TEXTURE_RECTANGLE_ARB, ...) to 1 mip level

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 4077 matching lines @@
 
   result->size = 0;
   cmd.Init(
       GL_COMPRESSED_TEXTURE_FORMATS, shared_memory_id_, shared_memory_offset_);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(num_formats, result->GetNumResults());
 
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
+TEST_P(GLES2DecoderManualInitTest, TexStorageInvalidLevels) {
+  InitState init;
+  init.gl_version = "OpenGL 4.2";
+  init.extensions = "GL_ARB_texture_rectangle GL_ARB_texture_storage";
+  init.bind_generates_resource = true;
+  InitDecoder(init);
+  DoBindTexture(GL_TEXTURE_RECTANGLE_ARB, client_texture_id_,
+                kServiceTextureId);
+  TexStorage2DEXT cmd;
+  cmd.Init(GL_TEXTURE_RECTANGLE_ARB, 2, GL_RGBA8, 4, 4);
+  EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
+  EXPECT_EQ(GL_INVALID_VALUE, GetGLError());
+}
+
 TEST_P(GLES3DecoderTest, TexStorage3DValidArgs) {
   DoBindTexture(GL_TEXTURE_3D, client_texture_id_, kServiceTextureId);
   EXPECT_CALL(*gl_, TexStorage3D(GL_TEXTURE_3D, 2, GL_RGB565, 4, 5, 6))
       .Times(1)
       .RetiresOnSaturation();
   TexStorage3D cmd;
   cmd.Init(GL_TEXTURE_3D, 2, GL_RGB565, 4, 5, 6);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
@@ skipping 338 matching lines @@
 // TODO(gman): CompressedTexSubImage2DImmediate
 
 // TODO(gman): TexImage2D
 
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 }  // namespace gles2
 }  // namespace gpu