Index: third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
diff --git a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..137299ee91d4b4ba89685e00a6a616e0bef09cb3 |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
@@ -0,0 +1,55 @@ |
+// Copyright 2016 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 "platform/graphics/OffscreenCanvasFrameDispatcherImpl.h" |
+ |
+#include "cc/output/compositor_frame.h" |
+#include "cc/output/delegated_frame_data.h" |
+#include "cc/quads/render_pass.h" |
+#include "cc/quads/shared_quad_state.h" |
+#include "cc/quads/solid_color_draw_quad.h" |
+#include "public/platform/InterfaceProvider.h" |
+#include "public/platform/Platform.h" |
+#include "third_party/skia/include/core/SkColor.h" |
+#include "third_party/skia/include/core/SkXfermode.h" |
+#include "ui/gfx/geometry/rect.h" |
+#include "ui/gfx/transform.h" |
+ |
+namespace blink { |
+ |
+OffscreenCanvasFrameDispatcherImpl::OffscreenCanvasFrameDispatcherImpl(uint32_t clientId, uint32_t localId, uint64_t nonce, int width, int height) |
+ : m_surfaceId(cc::SurfaceId(clientId, localId, nonce)) |
+ , m_width(width) |
+ , m_height(height) |
+{ |
+ DCHECK(!m_service.is_bound()); |
+ Platform::current()->interfaceProvider()->getInterface(mojo::GetProxy(&m_service)); |
+} |
+ |
+void OffscreenCanvasFrameDispatcherImpl::dispatchFrame() |
+{ |
+ // TODO(563852/xlai): Currently this is just a simple solid-color compositor |
+ // frame. We need to update this function to extract the image data from canvas. |
+ cc::CompositorFrame frame; |
+ frame.metadata.device_scale_factor = 1.0f; |
+ frame.delegated_frame_data.reset(new cc::DelegatedFrameData); |
+ |
+ const gfx::Rect bounds(m_width, m_height); |
+ const cc::RenderPassId renderPassId(1, 1); |
+ std::unique_ptr<cc::RenderPass> pass = cc::RenderPass::Create(); |
+ pass->SetAll(renderPassId, bounds, bounds, gfx::Transform(), false); |
+ |
+ cc::SharedQuadState* sqs = pass->CreateAndAppendSharedQuadState(); |
+ sqs->SetAll(gfx::Transform(), bounds.size(), bounds, bounds, false, 1.f, SkXfermode::kSrcOver_Mode, 0); |
+ |
+ cc::SolidColorDrawQuad* quad = pass->CreateAndAppendDrawQuad<cc::SolidColorDrawQuad>(); |
+ const bool forceAntialiasingOff = false; |
+ quad->SetNew(sqs, bounds, bounds, SK_ColorGREEN, forceAntialiasingOff); |
+ |
+ frame.delegated_frame_data->render_pass_list.push_back(std::move(pass)); |
+ |
+ m_service->SubmitCompositorFrame(m_surfaceId, std::move(frame)); |
+} |
+ |
+} // namespace blink |