Add option to not generate resources on bind in OpenGL ES

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2011 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 2664 matching lines @@
   active_texture_unit_ = texture_index;
   glActiveTexture(texture_unit);
 }
 
 void GLES2DecoderImpl::DoBindBuffer(GLenum target, GLuint client_id) {
   BufferManager::BufferInfo* info = NULL;
   GLuint service_id = 0;
   if (client_id != 0) {
     info = GetBufferInfo(client_id);
     if (!info) {
+      if (!group_->bind_generates_resource()) {
+        SetGLError(GL_INVALID_VALUE,
+                   "glBindBuffer: id not generated by glGenBuffers");
+        return;
+      }
+
       // It's a new id so make a buffer info for it.
       glGenBuffersARB(1, &service_id);
       CreateBufferInfo(client_id, service_id);
       info = GetBufferInfo(client_id);
       IdAllocatorInterface* id_allocator =
           group_->GetIdAllocator(id_namespaces::kBuffers);
       id_allocator->MarkAsUsed(client_id);
     }
   }
   if (info) {
@@ skipping 59 matching lines @@
     state_dirty_ = false;
   }
 }
 
 void GLES2DecoderImpl::DoBindFramebuffer(GLenum target, GLuint client_id) {
   FramebufferManager::FramebufferInfo* info = NULL;
   GLuint service_id = 0;
   if (client_id != 0) {
     info = GetFramebufferInfo(client_id);
     if (!info) {
+      if (!group_->bind_generates_resource()) {
+        SetGLError(GL_INVALID_VALUE,
+                   "glBindFramebuffer: id not generated by glGenFramebuffers");
+        return;
+      }
+
       // It's a new id so make a framebuffer info for it.
       glGenFramebuffersEXT(1, &service_id);
       CreateFramebufferInfo(client_id, service_id);
       info = GetFramebufferInfo(client_id);
       IdAllocatorInterface* id_allocator =
           group_->GetIdAllocator(id_namespaces::kFramebuffers);
       id_allocator->MarkAsUsed(client_id);
     } else {
       service_id = info->service_id();
     }
@@ skipping 19 matching lines @@
 
   glBindFramebufferEXT(target, service_id);
 }
 
 void GLES2DecoderImpl::DoBindRenderbuffer(GLenum target, GLuint client_id) {
   RenderbufferManager::RenderbufferInfo* info = NULL;
   GLuint service_id = 0;
   if (client_id != 0) {
     info = GetRenderbufferInfo(client_id);
     if (!info) {
+      if (!group_->bind_generates_resource()) {
+        SetGLError(
+            GL_INVALID_VALUE,
+            "glBindRenderbuffer: id not generated by glGenRenderbuffers");
+        return;
+      }
+
       // It's a new id so make a renderbuffer info for it.
       glGenRenderbuffersEXT(1, &service_id);
       CreateRenderbufferInfo(client_id, service_id);
       info = GetRenderbufferInfo(client_id);
       IdAllocatorInterface* id_allocator =
           group_->GetIdAllocator(id_namespaces::kRenderbuffers);
       id_allocator->MarkAsUsed(client_id);
     } else {
       service_id = info->service_id();
     }
     info->MarkAsValid();
   }
   bound_renderbuffer_ = info;
   glBindRenderbufferEXT(target, service_id);
 }
 
 void GLES2DecoderImpl::DoBindTexture(GLenum target, GLuint client_id) {
   TextureManager::TextureInfo* info = NULL;
   GLuint service_id = 0;
   if (client_id != 0) {
     info = GetTextureInfo(client_id);
     if (!info) {
+      if (!group_->bind_generates_resource()) {
+        SetGLError(GL_INVALID_VALUE,
+                   "glBindTexture: id not generated by glGenTextures");
+        return;
+      }
+
       // It's a new id so make a texture info for it.
       glGenTextures(1, &service_id);
       CreateTextureInfo(client_id, service_id);
       info = GetTextureInfo(client_id);
       IdAllocatorInterface* id_allocator =
           group_->GetIdAllocator(id_namespaces::kTextures);
       id_allocator->MarkAsUsed(client_id);
     }
   } else {
     info = texture_manager()->GetDefaultTextureInfo(target);
@@ skipping 3953 matching lines @@
   return false;
 }
 
 // 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