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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "platform/graphics/OffscreenCanvasFrameDispatcherImpl.h" | |
6 | |
7 #include "cc/output/compositor_frame.h" | |
8 #include "cc/output/delegated_frame_data.h" | |
9 #include "cc/quads/render_pass.h" | |
10 #include "cc/quads/shared_quad_state.h" | |
11 #include "cc/quads/solid_color_draw_quad.h" | |
12 #include "public/platform/InterfaceProvider.h" | |
13 #include "public/platform/Platform.h" | |
14 #include "third_party/skia/include/core/SkColor.h" | |
15 #include "third_party/skia/include/core/SkXfermode.h" | |
16 #include "ui/gfx/geometry/rect.h" | |
17 #include "ui/gfx/transform.h" | |
18 | |
19 namespace blink { | |
20 | |
21 OffscreenCanvasFrameDispatcherImpl::OffscreenCanvasFrameDispatcherImpl(uint32_t
clientId, uint32_t localId, uint64_t nonce, int width, int height) | |
22 : m_surfaceId(cc::SurfaceId(clientId, localId, nonce)) | |
23 , m_width(width) | |
24 , m_height(height) | |
25 { | |
26 DCHECK(!m_service.is_bound()); | |
27 Platform::current()->interfaceProvider()->getInterface(mojo::GetProxy(&m_ser
vice)); | |
28 } | |
29 | |
30 void OffscreenCanvasFrameDispatcherImpl::dispatchFrame() | |
31 { | |
32 // TODO(563852/xlai): Currently this is just a simple solid-color compositor | |
33 // frame. We need to update this function to extract the image data from can
vas. | |
34 cc::CompositorFrame frame; | |
35 frame.metadata.device_scale_factor = 1.0f; | |
36 frame.delegated_frame_data.reset(new cc::DelegatedFrameData); | |
37 | |
38 const gfx::Rect bounds(m_width, m_height); | |
39 const cc::RenderPassId renderPassId(1, 1); | |
40 std::unique_ptr<cc::RenderPass> pass = cc::RenderPass::Create(); | |
41 pass->SetAll(renderPassId, bounds, bounds, gfx::Transform(), false); | |
42 | |
43 cc::SharedQuadState* sqs = pass->CreateAndAppendSharedQuadState(); | |
44 sqs->SetAll(gfx::Transform(), bounds.size(), bounds, bounds, false, 1.f, SkX
fermode::kSrcOver_Mode, 0); | |
45 | |
46 cc::SolidColorDrawQuad* quad = pass->CreateAndAppendDrawQuad<cc::SolidColorD
rawQuad>(); | |
47 const bool forceAntialiasingOff = false; | |
48 quad->SetNew(sqs, bounds, bounds, SK_ColorGREEN, forceAntialiasingOff); | |
49 | |
50 frame.delegated_frame_data->render_pass_list.push_back(std::move(pass)); | |
51 | |
52 m_service->SubmitCompositorFrame(m_surfaceId, std::move(frame)); | |
53 } | |
54 | |
55 } // namespace blink | |
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