зеркало из https://github.com/mozilla/gecko-dev.git
241 строка
8.9 KiB
C++
241 строка
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "MacIOSurfaceTextureHostOGL.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/gfx/MacIOSurface.h"
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#include "mozilla/webrender/RenderMacIOSurfaceTextureHost.h"
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#include "mozilla/webrender/RenderThread.h"
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#include "mozilla/webrender/WebRenderAPI.h"
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#include "GLContextCGL.h"
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namespace mozilla {
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namespace layers {
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MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(
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TextureFlags aFlags, const SurfaceDescriptorMacIOSurface& aDescriptor)
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: TextureHost(TextureHostType::MacIOSurface, aFlags) {
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MOZ_COUNT_CTOR(MacIOSurfaceTextureHostOGL);
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mSurface = MacIOSurface::LookupSurface(aDescriptor.surfaceId(),
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!aDescriptor.isOpaque(),
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aDescriptor.yUVColorSpace());
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if (!mSurface) {
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gfxCriticalNote << "Failed to look up MacIOSurface";
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}
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}
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MacIOSurfaceTextureHostOGL::~MacIOSurfaceTextureHostOGL() {
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MOZ_COUNT_DTOR(MacIOSurfaceTextureHostOGL);
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}
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gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetFormat() const {
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if (!mSurface) {
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return gfx::SurfaceFormat::UNKNOWN;
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}
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return mSurface->GetFormat();
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}
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gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetReadFormat() const {
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if (!mSurface) {
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return gfx::SurfaceFormat::UNKNOWN;
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}
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return mSurface->GetReadFormat();
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}
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gfx::IntSize MacIOSurfaceTextureHostOGL::GetSize() const {
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if (!mSurface) {
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return gfx::IntSize();
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}
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return gfx::IntSize(mSurface->GetDevicePixelWidth(),
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mSurface->GetDevicePixelHeight());
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}
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gl::GLContext* MacIOSurfaceTextureHostOGL::gl() const { return nullptr; }
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gfx::YUVColorSpace MacIOSurfaceTextureHostOGL::GetYUVColorSpace() const {
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if (!mSurface) {
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return gfx::YUVColorSpace::Identity;
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}
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return mSurface->GetYUVColorSpace();
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}
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gfx::ColorRange MacIOSurfaceTextureHostOGL::GetColorRange() const {
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if (!mSurface) {
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return gfx::ColorRange::LIMITED;
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}
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return mSurface->IsFullRange() ? gfx::ColorRange::FULL
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: gfx::ColorRange::LIMITED;
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}
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void MacIOSurfaceTextureHostOGL::CreateRenderTexture(
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const wr::ExternalImageId& aExternalImageId) {
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RefPtr<wr::RenderTextureHost> texture =
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new wr::RenderMacIOSurfaceTextureHost(GetMacIOSurface());
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bool isDRM = (bool)(mFlags & TextureFlags::DRM_SOURCE);
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texture->SetIsFromDRMSource(isDRM);
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wr::RenderThread::Get()->RegisterExternalImage(aExternalImageId,
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texture.forget());
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}
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uint32_t MacIOSurfaceTextureHostOGL::NumSubTextures() {
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if (!mSurface) {
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return 0;
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}
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switch (GetFormat()) {
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case gfx::SurfaceFormat::R8G8B8X8:
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case gfx::SurfaceFormat::R8G8B8A8:
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case gfx::SurfaceFormat::B8G8R8A8:
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case gfx::SurfaceFormat::B8G8R8X8:
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case gfx::SurfaceFormat::YUV422: {
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return 1;
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}
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case gfx::SurfaceFormat::NV12:
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case gfx::SurfaceFormat::P010: {
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return 2;
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}
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default: {
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MOZ_ASSERT_UNREACHABLE("unexpected format");
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return 1;
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}
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}
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}
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void MacIOSurfaceTextureHostOGL::PushResourceUpdates(
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wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
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const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
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MOZ_ASSERT(mSurface);
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auto method = aOp == TextureHost::ADD_IMAGE
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? &wr::TransactionBuilder::AddExternalImage
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: &wr::TransactionBuilder::UpdateExternalImage;
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auto imageType =
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wr::ExternalImageType::TextureHandle(wr::ImageBufferKind::TextureRect);
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switch (GetFormat()) {
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case gfx::SurfaceFormat::B8G8R8A8:
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case gfx::SurfaceFormat::B8G8R8X8: {
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MOZ_ASSERT(aImageKeys.length() == 1);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
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// The internal pixel format of MacIOSurface is always BGRX or BGRA
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// format.
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auto format = GetFormat() == gfx::SurfaceFormat::B8G8R8A8
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? gfx::SurfaceFormat::B8G8R8A8
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: gfx::SurfaceFormat::B8G8R8X8;
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wr::ImageDescriptor descriptor(GetSize(), format);
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(aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0);
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break;
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}
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case gfx::SurfaceFormat::YUV422: {
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// This is the special buffer format. The buffer contents could be a
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// converted RGB interleaving data or a YCbCr interleaving data depending
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// on the different platform setting. (e.g. It will be RGB at OpenGL 2.1
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// and YCbCr at OpenGL 3.1)
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MOZ_ASSERT(aImageKeys.length() == 1);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
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wr::ImageDescriptor descriptor(GetSize(), gfx::SurfaceFormat::B8G8R8X8);
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(aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0);
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break;
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}
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case gfx::SurfaceFormat::NV12: {
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MOZ_ASSERT(aImageKeys.length() == 2);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
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wr::ImageDescriptor descriptor0(
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gfx::IntSize(mSurface->GetDevicePixelWidth(0),
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mSurface->GetDevicePixelHeight(0)),
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gfx::SurfaceFormat::A8);
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wr::ImageDescriptor descriptor1(
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gfx::IntSize(mSurface->GetDevicePixelWidth(1),
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mSurface->GetDevicePixelHeight(1)),
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gfx::SurfaceFormat::R8G8);
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(aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
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(aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
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break;
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}
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case gfx::SurfaceFormat::P010: {
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MOZ_ASSERT(aImageKeys.length() == 2);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
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wr::ImageDescriptor descriptor0(
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gfx::IntSize(mSurface->GetDevicePixelWidth(0),
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mSurface->GetDevicePixelHeight(0)),
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gfx::SurfaceFormat::A16);
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wr::ImageDescriptor descriptor1(
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gfx::IntSize(mSurface->GetDevicePixelWidth(1),
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mSurface->GetDevicePixelHeight(1)),
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gfx::SurfaceFormat::R16G16);
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(aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
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(aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
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break;
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}
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default: {
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MOZ_ASSERT_UNREACHABLE("unexpected to be called");
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}
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}
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}
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void MacIOSurfaceTextureHostOGL::PushDisplayItems(
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wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
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const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
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const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
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bool preferCompositorSurface =
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aFlags.contains(PushDisplayItemFlag::PREFER_COMPOSITOR_SURFACE);
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switch (GetFormat()) {
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case gfx::SurfaceFormat::B8G8R8A8:
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case gfx::SurfaceFormat::B8G8R8X8: {
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MOZ_ASSERT(aImageKeys.length() == 1);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
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// We disable external compositing for RGB surfaces for now until
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// we've tested support more thoroughly. Bug 1667917.
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aBuilder.PushImage(aBounds, aClip, true, false, aFilter, aImageKeys[0],
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!(mFlags & TextureFlags::NON_PREMULTIPLIED),
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wr::ColorF{1.0f, 1.0f, 1.0f, 1.0f},
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preferCompositorSurface,
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/* aSupportsExternalCompositing */ true);
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break;
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}
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case gfx::SurfaceFormat::YUV422: {
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MOZ_ASSERT(aImageKeys.length() == 1);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
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// Those images can only be generated at present by the Apple H264 decoder
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// which only supports 8 bits color depth.
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aBuilder.PushYCbCrInterleavedImage(
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aBounds, aClip, true, aImageKeys[0], wr::ColorDepth::Color8,
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wr::ToWrYuvColorSpace(GetYUVColorSpace()),
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wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
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/* aSupportsExternalCompositing */ true);
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break;
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}
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case gfx::SurfaceFormat::NV12: {
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MOZ_ASSERT(aImageKeys.length() == 2);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
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aBuilder.PushNV12Image(
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aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
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wr::ColorDepth::Color8, wr::ToWrYuvColorSpace(GetYUVColorSpace()),
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wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
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/* aSupportsExternalCompositing */ true);
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break;
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}
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case gfx::SurfaceFormat::P010: {
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MOZ_ASSERT(aImageKeys.length() == 2);
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MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
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aBuilder.PushP010Image(
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aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
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wr::ColorDepth::Color10, wr::ToWrYuvColorSpace(GetYUVColorSpace()),
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wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
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/* aSupportsExternalCompositing */ true);
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break;
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}
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default: {
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MOZ_ASSERT_UNREACHABLE("unexpected to be called");
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}
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}
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}
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} // namespace layers
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} // namespace mozilla
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