54c13996a3
Right now we just cast from a float* on the C++ side to a LayoutTransform on the Rust side, except the LayoutTransform isn't a repr(C) storage type, so there's no guarantee that it will actually have the same layout. Adding an explicit type and conversion code ensure that we are able to pass the matrix across the boundary safely. MozReview-Commit-ID: H3gK3g0K3xz
754 lines
23 KiB
C++
754 lines
23 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebRenderAPI.h"
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#include "mozilla/webrender/RendererOGL.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/layers/CompositorThread.h"
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#include "mozilla/widget/CompositorWidget.h"
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#include "mozilla/widget/CompositorWidget.h"
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#include "mozilla/layers/SynchronousTask.h"
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namespace mozilla {
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namespace wr {
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class NewRenderer : public RendererEvent
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{
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public:
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NewRenderer(WrAPI** aApi, layers::CompositorBridgeParentBase* aBridge,
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GLint* aMaxTextureSize,
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bool* aUseANGLE,
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RefPtr<widget::CompositorWidget>&& aWidget,
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layers::SynchronousTask* aTask,
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bool aEnableProfiler,
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LayoutDeviceIntSize aSize)
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: mWrApi(aApi)
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, mMaxTextureSize(aMaxTextureSize)
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, mUseANGLE(aUseANGLE)
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, mBridge(aBridge)
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, mCompositorWidget(Move(aWidget))
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, mTask(aTask)
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, mEnableProfiler(aEnableProfiler)
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, mSize(aSize)
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{
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MOZ_COUNT_CTOR(NewRenderer);
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}
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~NewRenderer()
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{
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MOZ_COUNT_DTOR(NewRenderer);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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layers::AutoCompleteTask complete(mTask);
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RefPtr<gl::GLContext> gl;
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if (gfx::gfxVars::UseWebRenderANGLE()) {
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gl = gl::GLContextProviderEGL::CreateForCompositorWidget(mCompositorWidget, true);
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if (!gl || !gl->IsANGLE()) {
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gfxCriticalNote << "Failed ANGLE GL context creation for WebRender: " << gfx::hexa(gl.get());
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return;
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}
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}
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if (!gl) {
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gl = gl::GLContextProvider::CreateForCompositorWidget(mCompositorWidget, true);
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}
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if (!gl || !gl->MakeCurrent()) {
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gfxCriticalNote << "Failed GL context creation for WebRender: " << gfx::hexa(gl.get());
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return;
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}
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gl->fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, mMaxTextureSize);
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*mUseANGLE = gl->IsANGLE();
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WrRenderer* wrRenderer = nullptr;
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if (!wr_window_new(aWindowId, mSize.width, mSize.height, gl.get(),
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this->mEnableProfiler, mWrApi, &wrRenderer)) {
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// wr_window_new puts a message into gfxCriticalNote if it returns false
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return;
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}
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MOZ_ASSERT(wrRenderer);
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RefPtr<RenderThread> thread = &aRenderThread;
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auto renderer = MakeUnique<RendererOGL>(Move(thread),
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Move(gl),
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Move(mCompositorWidget),
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aWindowId,
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wrRenderer,
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mBridge);
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if (wrRenderer && renderer) {
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WrExternalImageHandler handler = renderer->GetExternalImageHandler();
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wr_renderer_set_external_image_handler(wrRenderer, &handler);
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}
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aRenderThread.AddRenderer(aWindowId, Move(renderer));
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}
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private:
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WrAPI** mWrApi;
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GLint* mMaxTextureSize;
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bool* mUseANGLE;
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layers::CompositorBridgeParentBase* mBridge;
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RefPtr<widget::CompositorWidget> mCompositorWidget;
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layers::SynchronousTask* mTask;
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bool mEnableProfiler;
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LayoutDeviceIntSize mSize;
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};
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class RemoveRenderer : public RendererEvent
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{
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public:
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explicit RemoveRenderer(layers::SynchronousTask* aTask)
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: mTask(aTask)
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{
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MOZ_COUNT_CTOR(RemoveRenderer);
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}
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~RemoveRenderer()
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{
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MOZ_COUNT_DTOR(RemoveRenderer);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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aRenderThread.RemoveRenderer(aWindowId);
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layers::AutoCompleteTask complete(mTask);
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}
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private:
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layers::SynchronousTask* mTask;
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};
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//static
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already_AddRefed<WebRenderAPI>
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WebRenderAPI::Create(bool aEnableProfiler,
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layers::CompositorBridgeParentBase* aBridge,
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RefPtr<widget::CompositorWidget>&& aWidget,
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LayoutDeviceIntSize aSize)
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{
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MOZ_ASSERT(aBridge);
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MOZ_ASSERT(aWidget);
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static uint64_t sNextId = 1;
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auto id = NewWindowId(sNextId++);
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WrAPI* wrApi = nullptr;
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GLint maxTextureSize = 0;
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bool useANGLE = false;
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// Dispatch a synchronous task because the WrApi object needs to be created
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// on the render thread. If need be we could delay waiting on this task until
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// the next time we need to access the WrApi object.
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layers::SynchronousTask task("Create Renderer");
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auto event = MakeUnique<NewRenderer>(&wrApi, aBridge, &maxTextureSize, &useANGLE,
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Move(aWidget), &task, aEnableProfiler, aSize);
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RenderThread::Get()->RunEvent(id, Move(event));
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task.Wait();
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if (!wrApi) {
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return nullptr;
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}
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return RefPtr<WebRenderAPI>(new WebRenderAPI(wrApi, id, maxTextureSize, useANGLE)).forget();
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}
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WrIdNamespace
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WebRenderAPI::GetNamespace() {
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return wr_api_get_namespace(mWrApi);
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}
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WebRenderAPI::~WebRenderAPI()
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{
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layers::SynchronousTask task("Destroy WebRenderAPI");
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auto event = MakeUnique<RemoveRenderer>(&task);
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RunOnRenderThread(Move(event));
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task.Wait();
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wr_api_delete(mWrApi);
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}
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void
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WebRenderAPI::GenerateFrame()
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{
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wr_api_generate_frame(mWrApi);
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}
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void
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WebRenderAPI::SetRootDisplayList(gfx::Color aBgColor,
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Epoch aEpoch,
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LayerSize aViewportSize,
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WrPipelineId pipeline_id,
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WrBuiltDisplayListDescriptor dl_descriptor,
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uint8_t *dl_data,
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size_t dl_size,
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WrAuxiliaryListsDescriptor aux_descriptor,
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uint8_t *aux_data,
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size_t aux_size)
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{
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wr_api_set_root_display_list(mWrApi,
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aEpoch,
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aViewportSize.width, aViewportSize.height,
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pipeline_id,
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dl_descriptor,
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dl_data,
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dl_size,
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aux_descriptor,
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aux_data,
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aux_size);
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}
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void
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WebRenderAPI::ClearRootDisplayList(Epoch aEpoch,
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WrPipelineId pipeline_id)
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{
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wr_api_clear_root_display_list(mWrApi, aEpoch, pipeline_id);
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}
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void
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WebRenderAPI::SetWindowParameters(LayoutDeviceIntSize size)
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{
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wr_api_set_window_parameters(mWrApi, size.width, size.height);
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}
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void
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WebRenderAPI::Readback(gfx::IntSize size,
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uint8_t *buffer,
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uint32_t buffer_size)
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{
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class Readback : public RendererEvent
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{
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public:
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explicit Readback(layers::SynchronousTask* aTask,
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gfx::IntSize aSize, uint8_t *aBuffer, uint32_t aBufferSize)
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: mTask(aTask)
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, mSize(aSize)
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, mBuffer(aBuffer)
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, mBufferSize(aBufferSize)
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{
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MOZ_COUNT_CTOR(Readback);
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}
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~Readback()
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{
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MOZ_COUNT_DTOR(Readback);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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aRenderThread.UpdateAndRender(aWindowId);
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wr_renderer_readback(aRenderThread.GetRenderer(aWindowId)->GetWrRenderer(),
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mSize.width, mSize.height, mBuffer, mBufferSize);
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layers::AutoCompleteTask complete(mTask);
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}
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layers::SynchronousTask* mTask;
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gfx::IntSize mSize;
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uint8_t *mBuffer;
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uint32_t mBufferSize;
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};
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layers::SynchronousTask task("Readback");
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auto event = MakeUnique<Readback>(&task, size, buffer, buffer_size);
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// This event will be passed from wr_backend thread to renderer thread. That
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// implies that all frame data have been processed when the renderer runs this
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// read-back event. Then, we could make sure this read-back event gets the
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// latest result.
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RunOnRenderThread(Move(event));
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task.Wait();
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}
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void
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WebRenderAPI::Pause()
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{
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class PauseEvent : public RendererEvent
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{
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public:
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explicit PauseEvent(layers::SynchronousTask* aTask)
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: mTask(aTask)
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{
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MOZ_COUNT_CTOR(PauseEvent);
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}
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~PauseEvent()
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{
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MOZ_COUNT_DTOR(PauseEvent);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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aRenderThread.Pause(aWindowId);
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layers::AutoCompleteTask complete(mTask);
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}
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layers::SynchronousTask* mTask;
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};
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layers::SynchronousTask task("Pause");
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auto event = MakeUnique<PauseEvent>(&task);
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// This event will be passed from wr_backend thread to renderer thread. That
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// implies that all frame data have been processed when the renderer runs this event.
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RunOnRenderThread(Move(event));
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task.Wait();
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}
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bool
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WebRenderAPI::Resume()
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{
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class ResumeEvent : public RendererEvent
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{
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public:
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explicit ResumeEvent(layers::SynchronousTask* aTask, bool* aResult)
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: mTask(aTask)
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, mResult(aResult)
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{
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MOZ_COUNT_CTOR(ResumeEvent);
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}
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~ResumeEvent()
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{
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MOZ_COUNT_DTOR(ResumeEvent);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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*mResult = aRenderThread.Resume(aWindowId);
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layers::AutoCompleteTask complete(mTask);
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}
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layers::SynchronousTask* mTask;
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bool* mResult;
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};
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bool result = false;
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layers::SynchronousTask task("Resume");
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auto event = MakeUnique<ResumeEvent>(&task, &result);
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// This event will be passed from wr_backend thread to renderer thread. That
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// implies that all frame data have been processed when the renderer runs this event.
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RunOnRenderThread(Move(event));
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task.Wait();
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return result;
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}
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void
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WebRenderAPI::WaitFlushed()
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{
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class WaitFlushedEvent : public RendererEvent
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{
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public:
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explicit WaitFlushedEvent(layers::SynchronousTask* aTask)
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: mTask(aTask)
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{
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MOZ_COUNT_CTOR(WaitFlushedEvent);
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}
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~WaitFlushedEvent()
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{
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MOZ_COUNT_DTOR(WaitFlushedEvent);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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layers::AutoCompleteTask complete(mTask);
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}
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layers::SynchronousTask* mTask;
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};
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layers::SynchronousTask task("WaitFlushed");
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auto event = MakeUnique<WaitFlushedEvent>(&task);
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// This event will be passed from wr_backend thread to renderer thread. That
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// implies that all frame data have been processed when the renderer runs this event.
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RunOnRenderThread(Move(event));
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task.Wait();
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}
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void
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WebRenderAPI::SetRootPipeline(PipelineId aPipeline)
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{
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wr_api_set_root_pipeline(mWrApi, aPipeline);
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}
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void
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WebRenderAPI::AddImage(ImageKey key, const ImageDescriptor& aDescriptor,
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Range<uint8_t> aBytes)
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{
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wr_api_add_image(mWrApi,
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key,
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&aDescriptor,
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RangeToByteSlice(aBytes));
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}
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void
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WebRenderAPI::AddBlobImage(ImageKey key, const ImageDescriptor& aDescriptor,
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Range<uint8_t> aBytes)
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{
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wr_api_add_blob_image(mWrApi,
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key,
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&aDescriptor,
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RangeToByteSlice(aBytes));
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}
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void
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WebRenderAPI::AddExternalImageHandle(ImageKey key,
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const ImageDescriptor& aDescriptor,
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uint64_t aHandle)
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{
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wr_api_add_external_image_handle(mWrApi,
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key,
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&aDescriptor,
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aHandle);
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}
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void
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WebRenderAPI::AddExternalImageBuffer(ImageKey key,
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const ImageDescriptor& aDescriptor,
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uint64_t aHandle)
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{
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wr_api_add_external_image_buffer(mWrApi,
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key,
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&aDescriptor,
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aHandle);
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}
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void
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WebRenderAPI::UpdateImageBuffer(ImageKey aKey,
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const ImageDescriptor& aDescriptor,
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Range<uint8_t> aBytes)
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{
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wr_api_update_image(mWrApi,
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aKey,
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&aDescriptor,
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RangeToByteSlice(aBytes));
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}
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void
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WebRenderAPI::DeleteImage(ImageKey aKey)
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{
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wr_api_delete_image(mWrApi, aKey);
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}
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void
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WebRenderAPI::AddRawFont(wr::FontKey key, Range<uint8_t> aBytes)
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{
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wr_api_add_raw_font(mWrApi, key, &aBytes[0], aBytes.length());
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}
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void
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WebRenderAPI::DeleteFont(wr::FontKey aKey)
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{
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wr_api_delete_font(mWrApi, aKey);
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}
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class EnableProfiler : public RendererEvent
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{
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public:
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explicit EnableProfiler(bool aEnabled)
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: mEnabled(aEnabled)
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{
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MOZ_COUNT_CTOR(EnableProfiler);
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}
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~EnableProfiler()
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{
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MOZ_COUNT_DTOR(EnableProfiler);
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}
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virtual void Run(RenderThread& aRenderThread, WindowId aWindowId) override
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{
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auto renderer = aRenderThread.GetRenderer(aWindowId);
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if (renderer) {
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renderer->SetProfilerEnabled(mEnabled);
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}
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}
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private:
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bool mEnabled;
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};
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void
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WebRenderAPI::SetProfilerEnabled(bool aEnabled)
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{
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auto event = MakeUnique<EnableProfiler>(aEnabled);
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RunOnRenderThread(Move(event));
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}
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void
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WebRenderAPI::RunOnRenderThread(UniquePtr<RendererEvent> aEvent)
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{
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auto event = reinterpret_cast<uintptr_t>(aEvent.release());
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wr_api_send_external_event(mWrApi, event);
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}
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DisplayListBuilder::DisplayListBuilder(PipelineId aId)
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{
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MOZ_COUNT_CTOR(DisplayListBuilder);
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mWrState = wr_state_new(aId);
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}
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DisplayListBuilder::~DisplayListBuilder()
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{
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MOZ_COUNT_DTOR(DisplayListBuilder);
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wr_state_delete(mWrState);
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}
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void
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DisplayListBuilder::Begin(const LayerIntSize& aSize)
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{
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wr_dp_begin(mWrState, aSize.width, aSize.height);
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}
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void
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DisplayListBuilder::End()
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{
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wr_dp_end(mWrState);
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}
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BuiltDisplayList
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DisplayListBuilder::Finalize()
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{
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BuiltDisplayList dl;
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wr_api_finalize_builder(mWrState,
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dl.dl_desc,
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dl.dl.inner,
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dl.aux_desc,
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dl.aux.inner);
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return dl;
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}
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void
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DisplayListBuilder::PushStackingContext(const WrRect& aBounds,
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const WrRect& aOverflow,
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const WrImageMask* aMask,
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const float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const WrMixBlendMode& aMixBlendMode)
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{
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wr_dp_push_stacking_context(mWrState, aBounds, aOverflow, aMask, aOpacity,
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ToWrMatrix(aTransform), aMixBlendMode);
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}
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void
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DisplayListBuilder::PopStackingContext()
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{
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wr_dp_pop_stacking_context(mWrState);
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}
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void
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DisplayListBuilder::PushBuiltDisplayList(BuiltDisplayList dl)
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{
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wr_dp_push_built_display_list(mWrState,
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dl.dl_desc,
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dl.dl.Extract(),
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dl.aux_desc,
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dl.aux.Extract());
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}
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void
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DisplayListBuilder::PushScrollLayer(const WrRect& aBounds,
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const WrRect& aOverflow,
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const WrImageMask* aMask)
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{
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wr_dp_push_scroll_layer(mWrState, aBounds, aOverflow, aMask);
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|
}
|
|
|
|
void
|
|
DisplayListBuilder::PopScrollLayer()
|
|
{
|
|
wr_dp_pop_scroll_layer(mWrState);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushRect(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrColor& aColor)
|
|
{
|
|
wr_dp_push_rect(mWrState, aBounds, aClip, aColor);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushLinearGradient(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrPoint& aStartPoint,
|
|
const WrPoint& aEndPoint,
|
|
const nsTArray<WrGradientStop>& aStops,
|
|
wr::GradientExtendMode aExtendMode)
|
|
{
|
|
wr_dp_push_linear_gradient(mWrState,
|
|
aBounds, aClip,
|
|
aStartPoint, aEndPoint,
|
|
aStops.Elements(), aStops.Length(),
|
|
aExtendMode);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushRadialGradient(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrPoint& aCenter,
|
|
const WrSize& aRadius,
|
|
const nsTArray<WrGradientStop>& aStops,
|
|
wr::GradientExtendMode aExtendMode)
|
|
{
|
|
wr_dp_push_radial_gradient(mWrState,
|
|
aBounds, aClip,
|
|
aCenter, aRadius,
|
|
aStops.Elements(), aStops.Length(),
|
|
aExtendMode);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushImage(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
wr::ImageRendering aFilter,
|
|
wr::ImageKey aImage)
|
|
{
|
|
WrSize size;
|
|
size.width = aBounds.width;
|
|
size.height = aBounds.height;
|
|
PushImage(aBounds, aClip, size, size, aFilter, aImage);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushImage(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrSize& aStretchSize,
|
|
const WrSize& aTileSpacing,
|
|
wr::ImageRendering aFilter,
|
|
wr::ImageKey aImage)
|
|
{
|
|
wr_dp_push_image(mWrState, aBounds, aClip, aStretchSize, aTileSpacing, aFilter, aImage);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushIFrame(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
PipelineId aPipeline)
|
|
{
|
|
wr_dp_push_iframe(mWrState, aBounds, aClip, aPipeline);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushBorder(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrBorderWidths& aWidths,
|
|
const WrBorderSide& aTop,
|
|
const WrBorderSide& aRight,
|
|
const WrBorderSide& aBottom,
|
|
const WrBorderSide& aLeft,
|
|
const WrBorderRadius& aRadius)
|
|
{
|
|
wr_dp_push_border(mWrState, aBounds, aClip,
|
|
aWidths, aTop, aRight, aBottom, aLeft, aRadius);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushBorderImage(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrBorderWidths& aWidths,
|
|
wr::ImageKey aImage,
|
|
const WrNinePatchDescriptor& aPatch,
|
|
const WrSideOffsets2Df32& aOutset,
|
|
const WrRepeatMode& aRepeatHorizontal,
|
|
const WrRepeatMode& aRepeatVertical)
|
|
{
|
|
wr_dp_push_border_image(mWrState, aBounds, aClip,
|
|
aWidths, aImage, aPatch, aOutset,
|
|
aRepeatHorizontal, aRepeatVertical);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushBorderGradient(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrBorderWidths& aWidths,
|
|
const WrPoint& aStartPoint,
|
|
const WrPoint& aEndPoint,
|
|
const nsTArray<WrGradientStop>& aStops,
|
|
wr::GradientExtendMode aExtendMode,
|
|
const WrSideOffsets2Df32& aOutset)
|
|
{
|
|
wr_dp_push_border_gradient(mWrState, aBounds, aClip,
|
|
aWidths, aStartPoint, aEndPoint,
|
|
aStops.Elements(), aStops.Length(),
|
|
aExtendMode, aOutset);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushBorderRadialGradient(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const WrBorderWidths& aWidths,
|
|
const WrPoint& aCenter,
|
|
const WrSize& aRadius,
|
|
const nsTArray<WrGradientStop>& aStops,
|
|
wr::GradientExtendMode aExtendMode,
|
|
const WrSideOffsets2Df32& aOutset)
|
|
{
|
|
wr_dp_push_border_radial_gradient(
|
|
mWrState, aBounds, aClip, aWidths, aCenter,
|
|
aRadius, aStops.Elements(), aStops.Length(),
|
|
aExtendMode, aOutset);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushText(const WrRect& aBounds,
|
|
const WrClipRegion& aClip,
|
|
const gfx::Color& aColor,
|
|
wr::FontKey aFontKey,
|
|
Range<const WrGlyphInstance> aGlyphBuffer,
|
|
float aGlyphSize)
|
|
{
|
|
wr_dp_push_text(mWrState, aBounds, aClip,
|
|
ToWrColor(aColor),
|
|
aFontKey,
|
|
&aGlyphBuffer[0], aGlyphBuffer.length(),
|
|
aGlyphSize);
|
|
}
|
|
|
|
void
|
|
DisplayListBuilder::PushBoxShadow(const WrRect& aRect,
|
|
const WrClipRegion& aClip,
|
|
const WrRect& aBoxBounds,
|
|
const WrPoint& aOffset,
|
|
const WrColor& aColor,
|
|
const float& aBlurRadius,
|
|
const float& aSpreadRadius,
|
|
const float& aBorderRadius,
|
|
const WrBoxShadowClipMode& aClipMode)
|
|
{
|
|
wr_dp_push_box_shadow(mWrState, aRect, aClip,
|
|
aBoxBounds, aOffset, aColor,
|
|
aBlurRadius, aSpreadRadius, aBorderRadius,
|
|
aClipMode);
|
|
}
|
|
|
|
WrClipRegion
|
|
DisplayListBuilder::BuildClipRegion(const WrRect& aMain,
|
|
const WrImageMask* aMask)
|
|
{
|
|
return wr_dp_new_clip_region(mWrState,
|
|
aMain,
|
|
nullptr, 0,
|
|
aMask);
|
|
}
|
|
|
|
WrClipRegion
|
|
DisplayListBuilder::BuildClipRegion(const WrRect& aMain,
|
|
const nsTArray<WrComplexClipRegion>& aComplex,
|
|
const WrImageMask* aMask)
|
|
{
|
|
return wr_dp_new_clip_region(mWrState,
|
|
aMain,
|
|
aComplex.Elements(), aComplex.Length(),
|
|
aMask);
|
|
}
|
|
|
|
} // namespace wr
|
|
} // namespace mozilla
|