gpu_fuzzer: cache shader translators

gpu/command_buffer/service/gles2_cmd_decoder.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/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 637 matching lines @@
 
   void WaitForReadPixels(base::Closure callback) override;
 
   Logger* GetLogger() override;
 
   void BeginDecoding() override;
   void EndDecoding() override;
 
   ErrorState* GetErrorState() override;
   const ContextState* GetContextState() override { return &state_; }
+  scoped_refptr<ShaderTranslatorInterface> GetTranslator(GLenum type) override;
 
   void SetShaderCacheCallback(const ShaderCacheCallback& callback) override;
   void SetFenceSyncReleaseCallback(
       const FenceSyncReleaseCallback& callback) override;
   void SetWaitFenceSyncCallback(const WaitFenceSyncCallback& callback) override;
 
   void SetDescheduleUntilFinishedCallback(
       const NoParamCallback& callback) override;
   void SetRescheduleAfterFinishedCallback(
       const NoParamCallback& callback) override;
@@ skipping 8648 matching lines @@
     GLuint client_program_id, GLsizei count, const char* const* varyings,
     GLenum buffer_mode) {
   Program* program = GetProgramInfoNotShader(
       client_program_id, "glTransformFeedbackVaryings");
   if (!program) {
     return;
   }
   program->TransformFeedbackVaryings(count, varyings, buffer_mode);
 }
 
+scoped_refptr<ShaderTranslatorInterface> GLES2DecoderImpl::GetTranslator(
+    GLenum type) {
+  return type == GL_VERTEX_SHADER ? vertex_translator_ : fragment_translator_;
+}
+
 void GLES2DecoderImpl::DoCompileShader(GLuint client_id) {
   TRACE_EVENT0("gpu", "GLES2DecoderImpl::DoCompileShader");
   Shader* shader = GetShaderInfoNotProgram(client_id, "glCompileShader");
   if (!shader) {
     return;
   }
 
   scoped_refptr<ShaderTranslatorInterface> translator;
-  if (!feature_info_->disable_shader_translator()) {
-      translator = shader->shader_type() == GL_VERTEX_SHADER ?
-                   vertex_translator_ : fragment_translator_;
-  }
+  if (!feature_info_->disable_shader_translator())
+      translator = GetTranslator(shader->shader_type());
 
   const Shader::TranslatedShaderSourceType source_type =
       feature_info_->feature_flags().angle_translated_shader_source ?
       Shader::kANGLE : Shader::kGL;
   shader->RequestCompile(translator, source_type);
 }
 
 void GLES2DecoderImpl::DoGetShaderiv(
     GLuint shader_id, GLenum pname, GLint* params) {
   Shader* shader = GetShaderInfoNotProgram(shader_id, "glGetShaderiv");
@@ skipping 8013 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu