GPU Program Caching

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 <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 4596 matching lines @@
 }
 
 void GLES2DecoderImpl::DoLinkProgram(GLuint program) {
   TRACE_EVENT0("gpu", "GLES2DecoderImpl::DoLinkProgram");
   ProgramManager::ProgramInfo* info = GetProgramInfoNotShader(
       program, "glLinkProgram");
   if (!info) {
     return;
   }
 
-  if (info->Link()) {
+  ShaderTranslator* vertex_translator = NULL;
+  ShaderTranslator* fragment_translator = NULL;
+  if(use_shader_translator_) {
+    vertex_translator = vertex_translator_;
+    fragment_translator = fragment_translator_;
+  }
+  if (info->Link(shader_manager(),
+                 vertex_translator,
+                 fragment_translator,
+                 feature_info_)) {
     if (info == current_program_.get()) {
       program_manager()->ClearUniforms(info);
     }
   }
 };
 
 void GLES2DecoderImpl::DoTexParameterf(
     GLenum target, GLenum pname, GLfloat param) {
   TextureManager::TextureInfo* info = GetTextureInfoForTarget(target);
   if (!info) {
@@ skipping 1062 matching lines @@
       bucket->size() - 1);
 }
 
 void GLES2DecoderImpl::DoCompileShader(GLuint client_id) {
   TRACE_EVENT0("gpu", "GLES2DecoderImpl::DoCompileShader");
   ShaderManager::ShaderInfo* info = GetShaderInfoNotProgram(
       client_id, "glCompileShader");
   if (!info) {
     return;
   }
-  // Translate GL ES 2.0 shader to Desktop GL shader and pass that to
-  // glShaderSource and then glCompileShader.
-  const char* shader_src = info->source() ? info->source()->c_str() : "";
   ShaderTranslator* translator = NULL;
   if (use_shader_translator_) {
     translator = info->shader_type() == GL_VERTEX_SHADER ?
         vertex_translator_.get() : fragment_translator_.get();
-
-    if (!translator->Translate(shader_src)) {
-      info->SetStatus(false, translator->info_log(), NULL);
-      return;
-    }
-    shader_src = translator->translated_shader();
-    if (!feature_info_->feature_flags().angle_translated_shader_source)
-      info->UpdateTranslatedSource(shader_src);
   }
 
-  glShaderSource(info->service_id(), 1, &shader_src, NULL);
-  glCompileShader(info->service_id());
-  if (feature_info_->feature_flags().angle_translated_shader_source) {
-    GLint max_len = 0;
-    glGetShaderiv(info->service_id(),
-                  GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE,
-                  &max_len);
-    scoped_array<char> temp(new char[max_len]);
-    GLint len = 0;
-    glGetTranslatedShaderSourceANGLE(
-        info->service_id(), max_len, &len, temp.get());
-    DCHECK(max_len == 0 || len < max_len);
-    DCHECK(len == 0 || temp[len] == '\0');
-    info->UpdateTranslatedSource(temp.get());
+  ProgramManager* manager = program_manager();
+  ProgramCache* cache = manager->program_cache();
+  if (cache &&
+      cache->GetShaderCompilationStatus(*info->source())
+          == ProgramCache::COMPILATION_SUCCEEDED) {
+    info->SetStatus(true, "", translator);
+    info->SetPendingCompilation(true);
+    return;
   }
 
-  GLint status = GL_FALSE;
-  glGetShaderiv(info->service_id(),  GL_COMPILE_STATUS, &status);
-  if (status) {
-    info->SetStatus(true, "", translator);
-  } else {
-    // We cannot reach here if we are using the shader translator.
-    // All invalid shaders must be rejected by the translator.
-    // All translated shaders must compile.
-    LOG_IF(ERROR, use_shader_translator_)
-        << "Shader translator allowed/produced an invalid shader.";
-    GLint max_len = 0;
-    glGetShaderiv(info->service_id(), GL_INFO_LOG_LENGTH, &max_len);
-    scoped_array<char> temp(new char[max_len]);
-    GLint len = 0;
-    glGetShaderInfoLog(info->service_id(), max_len, &len, temp.get());
-    DCHECK(max_len == 0 || len < max_len);
-    DCHECK(len == 0 || temp[len] == '\0');
-    info->SetStatus(false, std::string(temp.get(), len).c_str(), NULL);
-  }
+  manager->DoCompileShader(info, translator, feature_info_);
 };
 
 void GLES2DecoderImpl::DoGetShaderiv(
     GLuint shader, GLenum pname, GLint* params) {
   ShaderManager::ShaderInfo* info = GetShaderInfoNotProgram(
       shader, "glGetShaderiv");
   if (!info) {
     return;
   }
   switch (pname) {
@@ skipping 3313 matching lines @@
   BindAndApplyTextureParameters(info);
 }
 
 // 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 "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu