Avoid type truncation warnings when converting GLenum to GLboolean by inserting

gpu/command_buffer/client/gles2_implementation_impl_autogen.h

 // 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 946 matching lines @@
   TRACE_EVENT0("gpu", "GLES2Implementation::IsBuffer");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsBuffer(" << buffer << ")");
   typedef cmds::IsBuffer::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsBuffer(buffer, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 GLboolean GLES2Implementation::IsFramebuffer(GLuint framebuffer) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   TRACE_EVENT0("gpu", "GLES2Implementation::IsFramebuffer");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsFramebuffer(" << framebuffer
                      << ")");
   typedef cmds::IsFramebuffer::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsFramebuffer(framebuffer, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 GLboolean GLES2Implementation::IsProgram(GLuint program) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   TRACE_EVENT0("gpu", "GLES2Implementation::IsProgram");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsProgram(" << program << ")");
   typedef cmds::IsProgram::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsProgram(program, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 GLboolean GLES2Implementation::IsRenderbuffer(GLuint renderbuffer) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   TRACE_EVENT0("gpu", "GLES2Implementation::IsRenderbuffer");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsRenderbuffer(" << renderbuffer
                      << ")");
   typedef cmds::IsRenderbuffer::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsRenderbuffer(renderbuffer, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 GLboolean GLES2Implementation::IsShader(GLuint shader) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   TRACE_EVENT0("gpu", "GLES2Implementation::IsShader");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsShader(" << shader << ")");
   typedef cmds::IsShader::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsShader(shader, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 GLboolean GLES2Implementation::IsTexture(GLuint texture) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   TRACE_EVENT0("gpu", "GLES2Implementation::IsTexture");
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsTexture(" << texture << ")");
   typedef cmds::IsTexture::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsTexture(texture, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 void GLES2Implementation::LineWidth(GLfloat width) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glLineWidth(" << width << ")");
   helper_->LineWidth(width);
   CheckGLError();
@@ skipping 859 matching lines @@
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsVertexArrayOES(" << array
                      << ")");
   typedef cmds::IsVertexArrayOES::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return GL_FALSE;
   }
   *result = 0;
   helper_->IsVertexArrayOES(array, GetResultShmId(), GetResultShmOffset());
   WaitForCmd();
-  GLboolean result_value = *result;
+  GLboolean result_value = *result != 0;
   GPU_CLIENT_LOG("returned " << result_value);
   CheckGLError();
   return result_value;
 }
 
 void GLES2Implementation::BindVertexArrayOES(GLuint array) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindVertexArrayOES(" << array
                      << ")");
   if (IsVertexArrayReservedId(array)) {
@@ skipping 206 matching lines @@
 
 void GLES2Implementation::MatrixLoadIdentityCHROMIUM(GLenum matrixMode) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMatrixLoadIdentityCHROMIUM("
                      << GLES2Util::GetStringMatrixMode(matrixMode) << ")");
   helper_->MatrixLoadIdentityCHROMIUM(matrixMode);
   CheckGLError();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_