зеркало из https://github.com/mozilla/gecko-dev.git
708 строки
21 KiB
C++
708 строки
21 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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printf("XXX - WebRender does not seem to implement deleting a font! Leaking it...\n");
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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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&aTransform.components[0], 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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}
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void
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DisplayListBuilder::PopScrollLayer()
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{
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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)
|
|
{
|
|
wr_dp_push_image(mWrState, aBounds, aClip, 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::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
|