| // Copyright 2017 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 "ui/gl/direct_composition_child_surface_win.h" |
| |
| #include <d3d11_1.h> |
| #include <dcomptypes.h> |
| |
| #include "base/macros.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "base/trace_event/trace_event.h" |
| #include "base/trace_event/traced_value.h" |
| #include "base/win/windows_version.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gl/color_space_utils.h" |
| #include "ui/gl/direct_composition_surface_win.h" |
| #include "ui/gl/egl_util.h" |
| #include "ui/gl/gl_angle_util_win.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_surface_egl.h" |
| #include "ui/gl/gl_switches.h" |
| #include "ui/gl/scoped_make_current.h" |
| |
| #ifndef EGL_ANGLE_flexible_surface_compatibility |
| #define EGL_ANGLE_flexible_surface_compatibility 1 |
| #define EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE 0x33A6 |
| #endif /* EGL_ANGLE_flexible_surface_compatibility */ |
| |
| #ifndef EGL_ANGLE_d3d_texture_client_buffer |
| #define EGL_ANGLE_d3d_texture_client_buffer 1 |
| #define EGL_D3D_TEXTURE_ANGLE 0x33A3 |
| #endif /* EGL_ANGLE_d3d_texture_client_buffer */ |
| |
| namespace gl { |
| |
| namespace { |
| // Only one DirectComposition surface can be rendered into at a time. Track |
| // here which IDCompositionSurface is being rendered into. If another context |
| // is made current, then this surface will be suspended. |
| IDCompositionSurface* g_current_surface = nullptr; |
| |
| } // namespace |
| |
| DirectCompositionChildSurfaceWin::DirectCompositionChildSurfaceWin() = default; |
| |
| DirectCompositionChildSurfaceWin::~DirectCompositionChildSurfaceWin() { |
| Destroy(); |
| } |
| |
| bool DirectCompositionChildSurfaceWin::Initialize(GLSurfaceFormat format) { |
| d3d11_device_ = QueryD3D11DeviceObjectFromANGLE(); |
| dcomp_device_ = QueryDirectCompositionDevice(d3d11_device_); |
| if (!dcomp_device_) |
| return false; |
| |
| EGLDisplay display = GetDisplay(); |
| |
| EGLint pbuffer_attribs[] = { |
| EGL_WIDTH, |
| 1, |
| EGL_HEIGHT, |
| 1, |
| EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE, |
| EGL_TRUE, |
| EGL_NONE, |
| }; |
| |
| default_surface_ = |
| eglCreatePbufferSurface(display, GetConfig(), pbuffer_attribs); |
| if (!default_surface_) { |
| DLOG(ERROR) << "eglCreatePbufferSurface failed with error " |
| << ui::GetLastEGLErrorString(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::ReleaseDrawTexture(bool will_discard) { |
| EGLSurface egl_surface = real_surface_; |
| real_surface_ = nullptr; |
| |
| // We make current with the same surface (could be the parent), but its |
| // handle has changed to |default_surface_|. |
| gl::GLContext* context = gl::GLContext::GetCurrent(); |
| DCHECK(context); |
| gl::GLSurface* surface = gl::GLSurface::GetCurrent(); |
| DCHECK(surface); |
| bool result = context->MakeCurrent(surface); |
| // If MakeCurrent fails (probably lost device), we'll want to return failure, |
| // but we still want to reset the rest of the state for consistency. |
| DLOG_IF(ERROR, !result) << "Failed to make current in ReleaseDrawTexture"; |
| |
| if (egl_surface) |
| eglDestroySurface(GetDisplay(), egl_surface); |
| |
| if (dcomp_surface_.Get() == g_current_surface) |
| g_current_surface = nullptr; |
| |
| if (draw_texture_) { |
| draw_texture_.Reset(); |
| if (dcomp_surface_) { |
| TRACE_EVENT0("gpu", "DirectCompositionChildSurfaceWin::EndDraw"); |
| HRESULT hr = dcomp_surface_->EndDraw(); |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "EndDraw failed with error " << std::hex << hr; |
| return false; |
| } |
| dcomp_surface_serial_++; |
| } else if (!will_discard) { |
| TRACE_EVENT0("gpu", "DirectCompositionChildSurfaceWin::PresentSwapChain"); |
| const bool use_swap_chain_tearing = |
| DirectCompositionSurfaceWin::AllowTearing(); |
| UINT interval = |
| first_swap_ || !vsync_enabled_ || use_swap_chain_tearing ? 0 : 1; |
| UINT flags = use_swap_chain_tearing ? DXGI_PRESENT_ALLOW_TEARING : 0; |
| DXGI_PRESENT_PARAMETERS params = {}; |
| RECT dirty_rect = swap_rect_.ToRECT(); |
| params.DirtyRectsCount = 1; |
| params.pDirtyRects = &dirty_rect; |
| HRESULT hr = swap_chain_->Present1(interval, flags, ¶ms); |
| // Ignore DXGI_STATUS_OCCLUDED since that's not an error but only |
| // indicates that the window is occluded and we can stop rendering. |
| if (FAILED(hr) && hr != DXGI_STATUS_OCCLUDED) { |
| DLOG(ERROR) << "Present1 failed with error " << std::hex << hr; |
| return false; |
| } |
| if (first_swap_) { |
| // Wait for the GPU to finish executing its commands before |
| // committing the DirectComposition tree, or else the swapchain |
| // may flicker black when it's first presented. |
| first_swap_ = false; |
| Microsoft::WRL::ComPtr<IDXGIDevice2> dxgi_device2; |
| d3d11_device_.As(&dxgi_device2); |
| DCHECK(dxgi_device2); |
| base::WaitableEvent event( |
| base::WaitableEvent::ResetPolicy::AUTOMATIC, |
| base::WaitableEvent::InitialState::NOT_SIGNALED); |
| hr = dxgi_device2->EnqueueSetEvent(event.handle()); |
| DCHECK(SUCCEEDED(hr)); |
| event.Wait(); |
| } |
| } |
| } |
| return result; |
| } |
| |
| void DirectCompositionChildSurfaceWin::Destroy() { |
| if (default_surface_) { |
| if (!eglDestroySurface(GetDisplay(), default_surface_)) { |
| DLOG(ERROR) << "eglDestroySurface failed with error " |
| << ui::GetLastEGLErrorString(); |
| } |
| default_surface_ = nullptr; |
| } |
| if (real_surface_) { |
| if (!eglDestroySurface(GetDisplay(), real_surface_)) { |
| DLOG(ERROR) << "eglDestroySurface failed with error " |
| << ui::GetLastEGLErrorString(); |
| } |
| real_surface_ = nullptr; |
| } |
| if (dcomp_surface_ && (dcomp_surface_.Get() == g_current_surface)) { |
| HRESULT hr = dcomp_surface_->EndDraw(); |
| if (FAILED(hr)) |
| DLOG(ERROR) << "EndDraw failed with error " << std::hex << hr; |
| g_current_surface = nullptr; |
| } |
| draw_texture_.Reset(); |
| dcomp_surface_.Reset(); |
| } |
| |
| gfx::Size DirectCompositionChildSurfaceWin::GetSize() { |
| return size_; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::IsOffscreen() { |
| return false; |
| } |
| |
| void* DirectCompositionChildSurfaceWin::GetHandle() { |
| return real_surface_ ? real_surface_ : default_surface_; |
| } |
| |
| gfx::SwapResult DirectCompositionChildSurfaceWin::SwapBuffers( |
| PresentationCallback callback) { |
| TRACE_EVENT1("gpu", "DirectCompositionChildSurfaceWin::SwapBuffers", "size", |
| size_.ToString()); |
| // PresentationCallback is handled by DirectCompositionSurfaceWin. The child |
| // surface doesn't need to provide presentation feedback. |
| DCHECK(!callback); |
| |
| return ReleaseDrawTexture(false /* will_discard */) |
| ? gfx::SwapResult::SWAP_ACK |
| : gfx::SwapResult::SWAP_FAILED; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::FlipsVertically() const { |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::SupportsPostSubBuffer() { |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::OnMakeCurrent(GLContext* context) { |
| if (g_current_surface != dcomp_surface_.Get()) { |
| if (g_current_surface) { |
| HRESULT hr = g_current_surface->SuspendDraw(); |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "SuspendDraw failed with error " << std::hex << hr; |
| return false; |
| } |
| g_current_surface = nullptr; |
| } |
| if (draw_texture_) { |
| HRESULT hr = dcomp_surface_->ResumeDraw(); |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "ResumeDraw failed with error " << std::hex << hr; |
| return false; |
| } |
| g_current_surface = dcomp_surface_.Get(); |
| } |
| } |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::SupportsDCLayers() const { |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::SetDrawRectangle( |
| const gfx::Rect& rectangle) { |
| if (!gfx::Rect(size_).Contains(rectangle)) { |
| DLOG(ERROR) << "Draw rectangle must be contained within size of surface"; |
| return false; |
| } |
| |
| if (draw_texture_) { |
| DLOG(ERROR) << "SetDrawRectangle must be called only once per swap buffers"; |
| return false; |
| } |
| DCHECK(!real_surface_); |
| DCHECK(!g_current_surface); |
| |
| if (gfx::Rect(size_) != rectangle && !swap_chain_ && !dcomp_surface_) { |
| DLOG(ERROR) << "First draw to surface must draw to everything"; |
| return false; |
| } |
| |
| gl::GLContext* context = gl::GLContext::GetCurrent(); |
| if (!context) { |
| DLOG(ERROR) << "gl::GLContext::GetCurrent() returned nullptr"; |
| return false; |
| } |
| gl::GLSurface* surface = gl::GLSurface::GetCurrent(); |
| if (!surface) { |
| DLOG(ERROR) << "gl::GLSurface::GetCurrent() returned nullptr"; |
| return false; |
| } |
| |
| DXGI_FORMAT dxgi_format = ColorSpaceUtils::GetDXGIFormat(color_space_); |
| |
| if (!dcomp_surface_ && enable_dc_layers_) { |
| TRACE_EVENT2("gpu", "DirectCompositionChildSurfaceWin::CreateSurface", |
| "width", size_.width(), "height", size_.height()); |
| swap_chain_.Reset(); |
| // Always treat as premultiplied, because an underlay could cause it to |
| // become transparent. |
| HRESULT hr = dcomp_device_->CreateSurface( |
| size_.width(), size_.height(), dxgi_format, |
| DXGI_ALPHA_MODE_PREMULTIPLIED, &dcomp_surface_); |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "CreateSurface failed with error " << std::hex << hr; |
| return false; |
| } |
| } else if (!swap_chain_ && !enable_dc_layers_) { |
| TRACE_EVENT2("gpu", "DirectCompositionChildSurfaceWin::CreateSwapChain", |
| "width", size_.width(), "height", size_.height()); |
| dcomp_surface_.Reset(); |
| |
| Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device; |
| d3d11_device_.As(&dxgi_device); |
| DCHECK(dxgi_device); |
| Microsoft::WRL::ComPtr<IDXGIAdapter> dxgi_adapter; |
| dxgi_device->GetAdapter(&dxgi_adapter); |
| DCHECK(dxgi_adapter); |
| Microsoft::WRL::ComPtr<IDXGIFactory2> dxgi_factory; |
| dxgi_adapter->GetParent(IID_PPV_ARGS(&dxgi_factory)); |
| DCHECK(dxgi_factory); |
| |
| DXGI_SWAP_CHAIN_DESC1 desc = {}; |
| desc.Width = size_.width(); |
| desc.Height = size_.height(); |
| desc.Format = dxgi_format; |
| desc.Stereo = FALSE; |
| desc.SampleDesc.Count = 1; |
| desc.BufferCount = 2; |
| desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; |
| desc.Scaling = DXGI_SCALING_STRETCH; |
| desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL; |
| desc.AlphaMode = (has_alpha_ || enable_dc_layers_) |
| ? DXGI_ALPHA_MODE_PREMULTIPLIED |
| : DXGI_ALPHA_MODE_IGNORE; |
| desc.Flags = DirectCompositionSurfaceWin::AllowTearing() |
| ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING |
| : 0; |
| HRESULT hr = dxgi_factory->CreateSwapChainForComposition( |
| d3d11_device_.Get(), &desc, nullptr, &swap_chain_); |
| first_swap_ = true; |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "CreateSwapChainForComposition failed with error " |
| << std::hex << hr; |
| return false; |
| } |
| Microsoft::WRL::ComPtr<IDXGISwapChain3> swap_chain; |
| if (SUCCEEDED(swap_chain_.As(&swap_chain))) { |
| swap_chain->SetColorSpace1( |
| ColorSpaceUtils::GetDXGIColorSpace(color_space_)); |
| } |
| } |
| |
| swap_rect_ = rectangle; |
| draw_offset_ = gfx::Vector2d(); |
| |
| if (dcomp_surface_) { |
| TRACE_EVENT0("gpu", "DirectCompositionChildSurfaceWin::BeginDraw"); |
| POINT update_offset; |
| const RECT rect = rectangle.ToRECT(); |
| HRESULT hr = dcomp_surface_->BeginDraw(&rect, IID_PPV_ARGS(&draw_texture_), |
| &update_offset); |
| if (FAILED(hr)) { |
| DLOG(ERROR) << "BeginDraw failed with error " << std::hex << hr; |
| return false; |
| } |
| draw_offset_ = gfx::Point(update_offset) - rectangle.origin(); |
| } else { |
| TRACE_EVENT0("gpu", "DirectCompositionChildSurfaceWin::GetBuffer"); |
| swap_chain_->GetBuffer(0, IID_PPV_ARGS(&draw_texture_)); |
| } |
| DCHECK(draw_texture_); |
| |
| g_current_surface = dcomp_surface_.Get(); |
| |
| EGLint pbuffer_attribs[] = { |
| EGL_WIDTH, |
| size_.width(), |
| EGL_HEIGHT, |
| size_.height(), |
| EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE, |
| EGL_TRUE, |
| EGL_NONE, |
| }; |
| |
| EGLClientBuffer buffer = |
| reinterpret_cast<EGLClientBuffer>(draw_texture_.Get()); |
| real_surface_ = |
| eglCreatePbufferFromClientBuffer(GetDisplay(), EGL_D3D_TEXTURE_ANGLE, |
| buffer, GetConfig(), pbuffer_attribs); |
| if (!real_surface_) { |
| DLOG(ERROR) << "eglCreatePbufferFromClientBuffer failed with error " |
| << ui::GetLastEGLErrorString(); |
| return false; |
| } |
| |
| // We make current with the same surface (could be the parent), but its |
| // handle has changed to |real_surface_|. |
| if (!context->MakeCurrent(surface)) { |
| DLOG(ERROR) << "Failed to make current in SetDrawRectangle"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| gfx::Vector2d DirectCompositionChildSurfaceWin::GetDrawOffset() const { |
| return draw_offset_; |
| } |
| |
| void DirectCompositionChildSurfaceWin::SetVSyncEnabled(bool enabled) { |
| vsync_enabled_ = enabled; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) { |
| if (size_ == size && has_alpha_ == has_alpha && color_space_ == color_space) |
| return true; |
| |
| // This will release indirect references to swap chain (|real_surface_|) by |
| // binding |default_surface_| as the default framebuffer. |
| if (!ReleaseDrawTexture(true /* will_discard */)) |
| return false; |
| |
| bool resize_only = has_alpha_ == has_alpha && color_space_ == color_space; |
| |
| size_ = size; |
| color_space_ = color_space; |
| has_alpha_ = has_alpha; |
| |
| // ResizeBuffers can't change alpha blending mode. |
| if (swap_chain_ && resize_only) { |
| DXGI_FORMAT format = ColorSpaceUtils::GetDXGIFormat(color_space_); |
| UINT flags = DirectCompositionSurfaceWin::AllowTearing() |
| ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING |
| : 0; |
| HRESULT hr = swap_chain_->ResizeBuffers(2 /* BufferCount */, size.width(), |
| size.height(), format, flags); |
| UMA_HISTOGRAM_BOOLEAN("GPU.DirectComposition.SwapChainResizeResult", |
| SUCCEEDED(hr)); |
| if (SUCCEEDED(hr)) |
| return true; |
| DLOG(ERROR) << "ResizeBuffers failed with error 0x" << std::hex << hr; |
| } |
| // Next SetDrawRectangle call will recreate the swap chain or surface. |
| swap_chain_.Reset(); |
| dcomp_surface_.Reset(); |
| return true; |
| } |
| |
| bool DirectCompositionChildSurfaceWin::SetEnableDCLayers(bool enable) { |
| if (enable_dc_layers_ == enable) |
| return true; |
| enable_dc_layers_ = enable; |
| if (!ReleaseDrawTexture(true /* will_discard */)) |
| return false; |
| // Next SetDrawRectangle call will recreate the swap chain or surface. |
| swap_chain_.Reset(); |
| dcomp_surface_.Reset(); |
| return true; |
| } |
| |
| } // namespace gl |