Index: webkit/gpu/grcontext_for_webgraphicscontext3d.cc |
diff --git a/webkit/gpu/grcontext_for_webgraphicscontext3d.cc b/webkit/gpu/grcontext_for_webgraphicscontext3d.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a1d3abd56da2a154e555b485e2e0f36d0680bbf6 |
--- /dev/null |
+++ b/webkit/gpu/grcontext_for_webgraphicscontext3d.cc |
@@ -0,0 +1,70 @@ |
+// 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 |