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diff --git a/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp b/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp
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+++ b/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "MacIOSurfaceTextureHostOGL.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "mozilla/webrender/RenderMacIOSurfaceTextureHost.h"
+#include "mozilla/webrender/RenderThread.h"
+#include "mozilla/webrender/WebRenderAPI.h"
+#include "GLContextCGL.h"
+
+namespace mozilla {
+namespace layers {
+
+MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(
+ TextureFlags aFlags, const SurfaceDescriptorMacIOSurface& aDescriptor)
+ : TextureHost(TextureHostType::MacIOSurface, aFlags) {
+ MOZ_COUNT_CTOR(MacIOSurfaceTextureHostOGL);
+ mSurface = MacIOSurface::LookupSurface(aDescriptor.surfaceId(),
+ !aDescriptor.isOpaque(),
+ aDescriptor.yUVColorSpace());
+ if (!mSurface) {
+ gfxCriticalNote << "Failed to look up MacIOSurface";
+ }
+}
+
+MacIOSurfaceTextureHostOGL::~MacIOSurfaceTextureHostOGL() {
+ MOZ_COUNT_DTOR(MacIOSurfaceTextureHostOGL);
+}
+
+gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetFormat() const {
+ if (!mSurface) {
+ return gfx::SurfaceFormat::UNKNOWN;
+ }
+ return mSurface->GetFormat();
+}
+
+gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetReadFormat() const {
+ if (!mSurface) {
+ return gfx::SurfaceFormat::UNKNOWN;
+ }
+ return mSurface->GetReadFormat();
+}
+
+gfx::IntSize MacIOSurfaceTextureHostOGL::GetSize() const {
+ if (!mSurface) {
+ return gfx::IntSize();
+ }
+ return gfx::IntSize(mSurface->GetDevicePixelWidth(),
+ mSurface->GetDevicePixelHeight());
+}
+
+gl::GLContext* MacIOSurfaceTextureHostOGL::gl() const { return nullptr; }
+
+gfx::YUVColorSpace MacIOSurfaceTextureHostOGL::GetYUVColorSpace() const {
+ if (!mSurface) {
+ return gfx::YUVColorSpace::Identity;
+ }
+ return mSurface->GetYUVColorSpace();
+}
+
+gfx::ColorRange MacIOSurfaceTextureHostOGL::GetColorRange() const {
+ if (!mSurface) {
+ return gfx::ColorRange::LIMITED;
+ }
+ return mSurface->IsFullRange() ? gfx::ColorRange::FULL
+ : gfx::ColorRange::LIMITED;
+}
+
+void MacIOSurfaceTextureHostOGL::CreateRenderTexture(
+ const wr::ExternalImageId& aExternalImageId) {
+ RefPtr<wr::RenderTextureHost> texture =
+ new wr::RenderMacIOSurfaceTextureHost(GetMacIOSurface());
+
+ bool isDRM = (bool)(mFlags & TextureFlags::DRM_SOURCE);
+ texture->SetIsFromDRMSource(isDRM);
+
+ wr::RenderThread::Get()->RegisterExternalImage(aExternalImageId,
+ texture.forget());
+}
+
+uint32_t MacIOSurfaceTextureHostOGL::NumSubTextures() {
+ if (!mSurface) {
+ return 0;
+ }
+
+ switch (GetFormat()) {
+ case gfx::SurfaceFormat::R8G8B8X8:
+ case gfx::SurfaceFormat::R8G8B8A8:
+ case gfx::SurfaceFormat::B8G8R8A8:
+ case gfx::SurfaceFormat::B8G8R8X8:
+ case gfx::SurfaceFormat::YUV422: {
+ return 1;
+ }
+ case gfx::SurfaceFormat::NV12:
+ case gfx::SurfaceFormat::P010: {
+ return 2;
+ }
+ default: {
+ MOZ_ASSERT_UNREACHABLE("unexpected format");
+ return 1;
+ }
+ }
+}
+
+void MacIOSurfaceTextureHostOGL::PushResourceUpdates(
+ wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
+ const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
+ MOZ_ASSERT(mSurface);
+
+ auto method = aOp == TextureHost::ADD_IMAGE
+ ? &wr::TransactionBuilder::AddExternalImage
+ : &wr::TransactionBuilder::UpdateExternalImage;
+ auto imageType =
+ wr::ExternalImageType::TextureHandle(wr::ImageBufferKind::TextureRect);
+
+ switch (GetFormat()) {
+ case gfx::SurfaceFormat::B8G8R8A8:
+ case gfx::SurfaceFormat::B8G8R8X8: {
+ MOZ_ASSERT(aImageKeys.length() == 1);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
+ // The internal pixel format of MacIOSurface is always BGRX or BGRA
+ // format.
+ auto format = GetFormat() == gfx::SurfaceFormat::B8G8R8A8
+ ? gfx::SurfaceFormat::B8G8R8A8
+ : gfx::SurfaceFormat::B8G8R8X8;
+ wr::ImageDescriptor descriptor(GetSize(), format);
+ (aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0);
+ break;
+ }
+ case gfx::SurfaceFormat::YUV422: {
+ // This is the special buffer format. The buffer contents could be a
+ // converted RGB interleaving data or a YCbCr interleaving data depending
+ // on the different platform setting. (e.g. It will be RGB at OpenGL 2.1
+ // and YCbCr at OpenGL 3.1)
+ MOZ_ASSERT(aImageKeys.length() == 1);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
+ wr::ImageDescriptor descriptor(GetSize(), gfx::SurfaceFormat::B8G8R8X8);
+ (aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0);
+ break;
+ }
+ case gfx::SurfaceFormat::NV12: {
+ MOZ_ASSERT(aImageKeys.length() == 2);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
+ wr::ImageDescriptor descriptor0(
+ gfx::IntSize(mSurface->GetDevicePixelWidth(0),
+ mSurface->GetDevicePixelHeight(0)),
+ gfx::SurfaceFormat::A8);
+ wr::ImageDescriptor descriptor1(
+ gfx::IntSize(mSurface->GetDevicePixelWidth(1),
+ mSurface->GetDevicePixelHeight(1)),
+ gfx::SurfaceFormat::R8G8);
+ (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
+ (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
+ break;
+ }
+ case gfx::SurfaceFormat::P010: {
+ MOZ_ASSERT(aImageKeys.length() == 2);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
+ wr::ImageDescriptor descriptor0(
+ gfx::IntSize(mSurface->GetDevicePixelWidth(0),
+ mSurface->GetDevicePixelHeight(0)),
+ gfx::SurfaceFormat::A16);
+ wr::ImageDescriptor descriptor1(
+ gfx::IntSize(mSurface->GetDevicePixelWidth(1),
+ mSurface->GetDevicePixelHeight(1)),
+ gfx::SurfaceFormat::R16G16);
+ (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
+ (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
+ break;
+ }
+ default: {
+ MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+ }
+ }
+}
+
+void MacIOSurfaceTextureHostOGL::PushDisplayItems(
+ wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
+ const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
+ const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
+ bool preferCompositorSurface =
+ aFlags.contains(PushDisplayItemFlag::PREFER_COMPOSITOR_SURFACE);
+ switch (GetFormat()) {
+ case gfx::SurfaceFormat::B8G8R8A8:
+ case gfx::SurfaceFormat::B8G8R8X8: {
+ MOZ_ASSERT(aImageKeys.length() == 1);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
+ // We disable external compositing for RGB surfaces for now until
+ // we've tested support more thoroughly. Bug 1667917.
+ aBuilder.PushImage(aBounds, aClip, true, false, aFilter, aImageKeys[0],
+ !(mFlags & TextureFlags::NON_PREMULTIPLIED),
+ wr::ColorF{1.0f, 1.0f, 1.0f, 1.0f},
+ preferCompositorSurface,
+ /* aSupportsExternalCompositing */ true);
+ break;
+ }
+ case gfx::SurfaceFormat::YUV422: {
+ MOZ_ASSERT(aImageKeys.length() == 1);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
+ // Those images can only be generated at present by the Apple H264 decoder
+ // which only supports 8 bits color depth.
+ aBuilder.PushYCbCrInterleavedImage(
+ aBounds, aClip, true, aImageKeys[0], wr::ColorDepth::Color8,
+ wr::ToWrYuvColorSpace(GetYUVColorSpace()),
+ wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
+ /* aSupportsExternalCompositing */ true);
+ break;
+ }
+ case gfx::SurfaceFormat::NV12: {
+ MOZ_ASSERT(aImageKeys.length() == 2);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
+ aBuilder.PushNV12Image(
+ aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
+ wr::ColorDepth::Color8, wr::ToWrYuvColorSpace(GetYUVColorSpace()),
+ wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
+ /* aSupportsExternalCompositing */ true);
+ break;
+ }
+ case gfx::SurfaceFormat::P010: {
+ MOZ_ASSERT(aImageKeys.length() == 2);
+ MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
+ aBuilder.PushP010Image(
+ aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
+ wr::ColorDepth::Color10, wr::ToWrYuvColorSpace(GetYUVColorSpace()),
+ wr::ToWrColorRange(GetColorRange()), aFilter, preferCompositorSurface,
+ /* aSupportsExternalCompositing */ true);
+ break;
+ }
+ default: {
+ MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+ }
+ }
+}
+
+} // namespace layers
+} // namespace mozilla
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