Move webkit/gpu into webkit/common/gpu

webkit/gpu/grcontext_for_webgraphicscontext3d.cc

-// Copyright (c) 2013 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 "webkit/gpu/grcontext_for_webgraphicscontext3d.h"
-
-#include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
-#include "third_party/skia/include/gpu/GrContext.h"
-#include "third_party/skia/include/gpu/gl/GrGLInterface.h"
-
-namespace webkit {
-namespace gpu {
-
-static void BindWebGraphicsContext3DGLContextCallback(
-    const GrGLInterface* interface) {
-  reinterpret_cast<WebKit::WebGraphicsContext3D*>(
-      interface->fCallbackData)->makeContextCurrent();
-}
-
-GrContextForWebGraphicsContext3D::GrContextForWebGraphicsContext3D(
-    WebKit::WebGraphicsContext3D* context3d) {
-  if (!context3d)
-    return;
-
-  skia::RefPtr<GrGLInterface> interface = skia::AdoptRef(
-      context3d->createGrGLInterface());
-  if (!interface)
-    return;
-
-  interface->fCallback = BindWebGraphicsContext3DGLContextCallback;
-  interface->fCallbackData =
-      reinterpret_cast<GrGLInterfaceCallbackData>(context3d);
-
-  gr_context_ = skia::AdoptRef(GrContext::Create(
-      kOpenGL_GrBackend,
-      reinterpret_cast<GrBackendContext>(interface.get())));
-  if (!gr_context_)
-    return;
-
-  bool nonzero_allocation = true;
-  SetMemoryLimit(nonzero_allocation);
-}
-
-GrContextForWebGraphicsContext3D::~GrContextForWebGraphicsContext3D() {
-  if (gr_context_)
-    gr_context_->contextDestroyed();
-}
-
-void GrContextForWebGraphicsContext3D::SetMemoryLimit(bool nonzero_allocation) {
-  if (!gr_context_)
-    return;
-
-  if (nonzero_allocation) {
-    // The limit of the number of textures we hold in the GrContext's
-    // bitmap->texture cache.
-    static const int kMaxGaneshTextureCacheCount = 2048;
-    // The limit of the bytes allocated toward textures in the GrContext's
-    // bitmap->texture cache.
-    static const size_t kMaxGaneshTextureCacheBytes = 96 * 1024 * 1024;
-
-    gr_context_->setTextureCacheLimits(
-        kMaxGaneshTextureCacheCount, kMaxGaneshTextureCacheBytes);
-  } else {
-    gr_context_->freeGpuResources();
-    gr_context_->setTextureCacheLimits(0, 0);
-  }
-}
-
-}  // namespace gpu
-}  // namespace webkit