1 // Copyright 2013 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 "cc/test/pixel_test_output_surface.h"
6
7 #include <utility>
8
9 #include "base/bind.h"
10 #include "base/threading/thread_task_runner_handle.h"
11 #include "components/viz/service/display/output_surface_client.h"
12 #include "components/viz/service/display/output_surface_frame.h"
13 #include "gpu/command_buffer/client/gles2_interface.h"
14 #include "third_party/khronos/GLES2/gl2.h"
15 #include "ui/gfx/buffer_format_util.h"
16 #include "ui/gfx/presentation_feedback.h"
17 #include "ui/gfx/swap_result.h"
18 #include "ui/gfx/transform.h"
19
20 namespace cc {
21
PixelTestOutputSurface(scoped_refptr<viz::ContextProvider> context_provider,gfx::SurfaceOrigin origin)22 PixelTestOutputSurface::PixelTestOutputSurface(
23 scoped_refptr<viz::ContextProvider> context_provider,
24 gfx::SurfaceOrigin origin)
25 : OutputSurface(std::move(context_provider)) {
26 capabilities_.output_surface_origin = origin;
27 capabilities_.supports_stencil = true;
28 }
29
PixelTestOutputSurface(std::unique_ptr<viz::SoftwareOutputDevice> software_device)30 PixelTestOutputSurface::PixelTestOutputSurface(
31 std::unique_ptr<viz::SoftwareOutputDevice> software_device)
32 : OutputSurface(std::move(software_device)) {
33 capabilities_.supports_stencil = true;
34 }
35
36 PixelTestOutputSurface::~PixelTestOutputSurface() = default;
37
BindToClient(viz::OutputSurfaceClient * client)38 void PixelTestOutputSurface::BindToClient(viz::OutputSurfaceClient* client) {
39 client_ = client;
40 }
41
EnsureBackbuffer()42 void PixelTestOutputSurface::EnsureBackbuffer() {}
43
DiscardBackbuffer()44 void PixelTestOutputSurface::DiscardBackbuffer() {}
45
BindFramebuffer()46 void PixelTestOutputSurface::BindFramebuffer() {
47 context_provider()->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, 0);
48 }
49
Reshape(const gfx::Size & size,float device_scale_factor,const gfx::ColorSpace & color_space,gfx::BufferFormat format,bool use_stencil)50 void PixelTestOutputSurface::Reshape(const gfx::Size& size,
51 float device_scale_factor,
52 const gfx::ColorSpace& color_space,
53 gfx::BufferFormat format,
54 bool use_stencil) {
55 // External stencil test cannot be tested at the same time as |use_stencil|.
56 DCHECK(!use_stencil || !external_stencil_test_);
57 if (context_provider()) {
58 const bool has_alpha = gfx::AlphaBitsForBufferFormat(format);
59 context_provider()->ContextGL()->ResizeCHROMIUM(
60 size.width(), size.height(), device_scale_factor,
61 color_space.AsGLColorSpace(), has_alpha);
62 } else {
63 software_device()->Resize(size, device_scale_factor);
64 }
65 }
66
HasExternalStencilTest() const67 bool PixelTestOutputSurface::HasExternalStencilTest() const {
68 return external_stencil_test_;
69 }
70
ApplyExternalStencil()71 void PixelTestOutputSurface::ApplyExternalStencil() {}
72
SwapBuffers(viz::OutputSurfaceFrame frame)73 void PixelTestOutputSurface::SwapBuffers(viz::OutputSurfaceFrame frame) {
74 base::ThreadTaskRunnerHandle::Get()->PostTask(
75 FROM_HERE, base::BindOnce(&PixelTestOutputSurface::SwapBuffersCallback,
76 weak_ptr_factory_.GetWeakPtr()));
77 }
78
SwapBuffersCallback()79 void PixelTestOutputSurface::SwapBuffersCallback() {
80 base::TimeTicks now = base::TimeTicks::Now();
81 gfx::SwapTimings timings = {now, now};
82 client_->DidReceiveSwapBuffersAck(timings);
83 client_->DidReceivePresentationFeedback(
84 gfx::PresentationFeedback(base::TimeTicks::Now(), base::TimeDelta(), 0));
85 }
86
IsDisplayedAsOverlayPlane() const87 bool PixelTestOutputSurface::IsDisplayedAsOverlayPlane() const {
88 return false;
89 }
90
GetOverlayTextureId() const91 unsigned PixelTestOutputSurface::GetOverlayTextureId() const {
92 return 0;
93 }
94
GetFramebufferCopyTextureFormat()95 uint32_t PixelTestOutputSurface::GetFramebufferCopyTextureFormat() {
96 // This format will work if the |context_provider| has an RGB or RGBA
97 // framebuffer. For now assume tests do not want/care about alpha in
98 // the root render pass.
99 return GL_RGB;
100 }
101
UpdateGpuFence()102 unsigned PixelTestOutputSurface::UpdateGpuFence() {
103 return 0;
104 }
105
SetUpdateVSyncParametersCallback(viz::UpdateVSyncParametersCallback callback)106 void PixelTestOutputSurface::SetUpdateVSyncParametersCallback(
107 viz::UpdateVSyncParametersCallback callback) {}
108
GetDisplayTransform()109 gfx::OverlayTransform PixelTestOutputSurface::GetDisplayTransform() {
110 return gfx::OVERLAY_TRANSFORM_NONE;
111 }
112
113 } // namespace cc
114