command_buffer: MAX/BASE_LEVEL fixes for GetTexParameter

gpu/command_buffer/service/texture_manager.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/texture_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1198 matching lines @@
     case GL_TEXTURE_MAG_FILTER:
     case GL_TEXTURE_WRAP_R:
     case GL_TEXTURE_WRAP_S:
     case GL_TEXTURE_WRAP_T:
     case GL_TEXTURE_COMPARE_FUNC:
     case GL_TEXTURE_COMPARE_MODE:
     case GL_TEXTURE_BASE_LEVEL:
     case GL_TEXTURE_MAX_LEVEL:
     case GL_TEXTURE_USAGE_ANGLE:
       {
-        GLint iparam = static_cast<GLint>(param);
+        GLint iparam = static_cast<GLint>(std::round(param));
         return SetParameteri(feature_info, pname, iparam);
       }
     case GL_TEXTURE_MIN_LOD:
       sampler_state_.min_lod = param;
       break;
     case GL_TEXTURE_MAX_LOD:
       sampler_state_.max_lod = param;
       break;
     case GL_TEXTURE_MAX_ANISOTROPY_EXT:
       if (param < 1.f) {
@@ skipping 2079 matching lines @@
 uint32_t TextureManager::GetServiceIdGeneration() const {
   return current_service_id_generation_;
 }
 
 void TextureManager::IncrementServiceIdGeneration() {
   current_service_id_generation_++;
 }
 
 }  // namespace gles2
 }  // namespace gpu