forked from mirrors/gecko-dev
b66f280583
--HG-- extra : amend_source : bfa6ad8ee9cc13ab292958040ccd0f8dded15e5f extra : histedit_source : c33cb15304d3e5806b90f04f690e000d42a5f933
102 lines
3.4 KiB
C++
102 lines
3.4 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 "WebRenderCanvasLayer.h"
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#include "AsyncCanvasRenderer.h"
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#include "gfxUtils.h"
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#include "GLContext.h"
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#include "GLScreenBuffer.h"
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#include "LayersLogging.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/layers/TextureClientSharedSurface.h"
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#include "mozilla/layers/WebRenderBridgeChild.h"
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#include "PersistentBufferProvider.h"
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#include "SharedSurface.h"
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#include "SharedSurfaceGL.h"
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#include "mozilla/webrender/WebRenderTypes.h"
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namespace mozilla {
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namespace layers {
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WebRenderCanvasLayer::~WebRenderCanvasLayer()
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{
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MOZ_COUNT_DTOR(WebRenderCanvasLayer);
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if (mExternalImageId) {
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WrBridge()->DeallocExternalImageId(mExternalImageId);
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}
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}
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void
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WebRenderCanvasLayer::Initialize(const Data& aData)
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{
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ShareableCanvasLayer::Initialize(aData);
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// XXX: Use basic surface factory until we support shared surface.
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if (!mGLContext || mGLFrontbuffer)
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return;
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gl::GLScreenBuffer* screen = mGLContext->Screen();
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auto factory = MakeUnique<gl::SurfaceFactory_Basic>(mGLContext, screen->mCaps, mFlags);
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screen->Morph(Move(factory));
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}
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void
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WebRenderCanvasLayer::RenderLayer()
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{
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UpdateCompositableClient();
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if (!mExternalImageId) {
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mExternalImageId = WrBridge()->AllocExternalImageIdForCompositable(mCanvasClient);
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}
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MOZ_ASSERT(mExternalImageId);
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gfx::Matrix4x4 transform;// = GetTransform();
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const bool needsYFlip = (mOriginPos == gl::OriginPos::BottomLeft);
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if (needsYFlip) {
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transform.PreTranslate(0, mBounds.height, 0).PreScale(1, -1, 1);
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}
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gfx::Rect rect(0, 0, mBounds.width, mBounds.height);
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rect = RelativeToTransformedVisible(GetTransform().TransformBounds(rect));
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gfx::Rect clip;
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if (GetClipRect().isSome()) {
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clip = RelativeToTransformedVisible(IntRectToRect(GetClipRect().ref().ToUnknownRect()));
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} else {
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clip = rect;
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}
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if (gfxPrefs::LayersDump()) printf_stderr("CanvasLayer %p using rect:%s clip:%s\n", this, Stringify(rect).c_str(), Stringify(clip).c_str());
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gfx::Rect relBounds = TransformedVisibleBoundsRelativeToParent();
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gfx::Rect overflow(0, 0, relBounds.width, relBounds.height);
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Maybe<WrImageMask> mask = buildMaskLayer();
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WrTextureFilter filter = (mSamplingFilter == gfx::SamplingFilter::POINT) ? WrTextureFilter::Point : WrTextureFilter::Linear;
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WrMixBlendMode mixBlendMode = wr::ToWrMixBlendMode(GetMixBlendMode());
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WrBridge()->AddWebRenderCommand(
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OpDPPushStackingContext(wr::ToWrRect(relBounds),
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wr::ToWrRect(overflow),
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mask,
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GetAnimations(),
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transform,
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mixBlendMode,
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FrameMetrics::NULL_SCROLL_ID));
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WrBridge()->AddWebRenderCommand(OpDPPushExternalImageId(LayerIntRegion(), wr::ToWrRect(rect), wr::ToWrRect(clip), Nothing(), filter, mExternalImageId));
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WrBridge()->AddWebRenderCommand(OpDPPopStackingContext());
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if (gfxPrefs::LayersDump()) printf_stderr("CanvasLayer %p using %s as bounds/overflow, %s for transform\n", this, Stringify(relBounds).c_str(), Stringify(transform).c_str());
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}
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void
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WebRenderCanvasLayer::AttachCompositable()
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{
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mCanvasClient->Connect();
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}
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} // namespace layers
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} // namespace mozilla
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