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Diffstat (limited to '')
| -rw-r--r-- | gfx/layers/opengl/DMABUFTextureHostOGL.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/gfx/layers/opengl/DMABUFTextureHostOGL.cpp b/gfx/layers/opengl/DMABUFTextureHostOGL.cpp new file mode 100644 index 0000000000..19202038e8 --- /dev/null +++ b/gfx/layers/opengl/DMABUFTextureHostOGL.cpp @@ -0,0 +1,186 @@ +/* -*- 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 "DMABUFTextureHostOGL.h" +#include "mozilla/widget/DMABufSurface.h" +#include "mozilla/webrender/RenderDMABUFTextureHost.h" +#include "mozilla/webrender/RenderThread.h" +#include "mozilla/webrender/WebRenderAPI.h" +#include "GLContextEGL.h" + +namespace mozilla::layers { + +DMABUFTextureHostOGL::DMABUFTextureHostOGL(TextureFlags aFlags, + const SurfaceDescriptor& aDesc) + : TextureHost(TextureHostType::DMABUF, aFlags) { + MOZ_COUNT_CTOR(DMABUFTextureHostOGL); + + // DMABufSurface::CreateDMABufSurface() can fail, for instance when we're run + // out of file descriptors. + mSurface = + DMABufSurface::CreateDMABufSurface(aDesc.get_SurfaceDescriptorDMABuf()); +} + +DMABUFTextureHostOGL::~DMABUFTextureHostOGL() { + MOZ_COUNT_DTOR(DMABUFTextureHostOGL); +} + +gfx::SurfaceFormat DMABUFTextureHostOGL::GetFormat() const { + if (!mSurface) { + return gfx::SurfaceFormat::UNKNOWN; + } + return mSurface->GetFormat(); +} + +gfx::YUVColorSpace DMABUFTextureHostOGL::GetYUVColorSpace() const { + if (!mSurface) { + return gfx::YUVColorSpace::Identity; + } + return mSurface->GetYUVColorSpace(); +} + +gfx::ColorRange DMABUFTextureHostOGL::GetColorRange() const { + if (!mSurface) { + return gfx::ColorRange::LIMITED; + } + return mSurface->IsFullRange() ? gfx::ColorRange::FULL + : gfx::ColorRange::LIMITED; +} + +uint32_t DMABUFTextureHostOGL::NumSubTextures() { + return mSurface ? mSurface->GetTextureCount() : 0; +} + +gfx::IntSize DMABUFTextureHostOGL::GetSize() const { + if (!mSurface) { + return gfx::IntSize(); + } + return gfx::IntSize(mSurface->GetWidth(), mSurface->GetHeight()); +} + +gl::GLContext* DMABUFTextureHostOGL::gl() const { return nullptr; } + +void DMABUFTextureHostOGL::CreateRenderTexture( + const wr::ExternalImageId& aExternalImageId) { + if (!mSurface) { + return; + } + RefPtr<wr::RenderTextureHost> texture = + new wr::RenderDMABUFTextureHost(mSurface); + wr::RenderThread::Get()->RegisterExternalImage(aExternalImageId, + texture.forget()); +} + +void DMABUFTextureHostOGL::PushResourceUpdates( + wr::TransactionBuilder& aResources, ResourceUpdateOp aOp, + const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) { + if (!mSurface) { + return; + } + + auto method = aOp == TextureHost::ADD_IMAGE + ? &wr::TransactionBuilder::AddExternalImage + : &wr::TransactionBuilder::UpdateExternalImage; + auto imageType = + wr::ExternalImageType::TextureHandle(wr::ImageBufferKind::Texture2D); + + switch (mSurface->GetFormat()) { + case gfx::SurfaceFormat::R8G8B8X8: + case gfx::SurfaceFormat::R8G8B8A8: + case gfx::SurfaceFormat::B8G8R8X8: + case gfx::SurfaceFormat::B8G8R8A8: { + MOZ_ASSERT(aImageKeys.length() == 1); + // XXX Add RGBA handling. Temporary hack to avoid crash + // With BGRA format setting, rendering works without problem. + wr::ImageDescriptor descriptor(GetSize(), mSurface->GetFormat()); + (aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0); + break; + } + case gfx::SurfaceFormat::NV12: { + MOZ_ASSERT(aImageKeys.length() == 2); + MOZ_ASSERT(mSurface->GetTextureCount() == 2); + wr::ImageDescriptor descriptor0( + gfx::IntSize(mSurface->GetWidth(0), mSurface->GetHeight(0)), + gfx::SurfaceFormat::A8); + wr::ImageDescriptor descriptor1( + gfx::IntSize(mSurface->GetWidth(1), mSurface->GetHeight(1)), + gfx::SurfaceFormat::R8G8); + (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0); + (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1); + break; + } + case gfx::SurfaceFormat::YUV: { + MOZ_ASSERT(aImageKeys.length() == 3); + MOZ_ASSERT(mSurface->GetTextureCount() == 3); + wr::ImageDescriptor descriptor0( + gfx::IntSize(mSurface->GetWidth(0), mSurface->GetHeight(0)), + gfx::SurfaceFormat::A8); + wr::ImageDescriptor descriptor1( + gfx::IntSize(mSurface->GetWidth(1), mSurface->GetHeight(1)), + gfx::SurfaceFormat::A8); + (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0); + (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1); + (aResources.*method)(aImageKeys[2], descriptor1, aExtID, imageType, 2); + break; + } + default: { + MOZ_ASSERT_UNREACHABLE("unexpected to be called"); + } + } +} + +void DMABUFTextureHostOGL::PushDisplayItems( + wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds, + const wr::LayoutRect& aClip, wr::ImageRendering aFilter, + const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) { + if (!mSurface) { + return; + } + bool preferCompositorSurface = + aFlags.contains(PushDisplayItemFlag::PREFER_COMPOSITOR_SURFACE); + switch (mSurface->GetFormat()) { + case gfx::SurfaceFormat::R8G8B8X8: + case gfx::SurfaceFormat::R8G8B8A8: + case gfx::SurfaceFormat::B8G8R8A8: + case gfx::SurfaceFormat::B8G8R8X8: { + MOZ_ASSERT(aImageKeys.length() == 1); + aBuilder.PushImage(aBounds, aClip, true, false, aFilter, aImageKeys[0], + !(mFlags & TextureFlags::NON_PREMULTIPLIED), + wr::ColorF{1.0f, 1.0f, 1.0f, 1.0f}, + preferCompositorSurface); + break; + } + case gfx::SurfaceFormat::NV12: { + MOZ_ASSERT(aImageKeys.length() == 2); + MOZ_ASSERT(mSurface->GetTextureCount() == 2); + // Those images can only be generated at present by the VAAPI H264 decoder + // which only supports 8 bits color depth. + aBuilder.PushNV12Image(aBounds, aClip, true, aImageKeys[0], aImageKeys[1], + wr::ColorDepth::Color8, + wr::ToWrYuvColorSpace(GetYUVColorSpace()), + wr::ToWrColorRange(GetColorRange()), aFilter, + preferCompositorSurface); + break; + } + case gfx::SurfaceFormat::YUV: { + MOZ_ASSERT(aImageKeys.length() == 3); + MOZ_ASSERT(mSurface->GetTextureCount() == 3); + // Those images can only be generated at present by the VAAPI vp8 decoder + // which only supports 8 bits color depth. + aBuilder.PushYCbCrPlanarImage( + aBounds, aClip, true, aImageKeys[0], aImageKeys[1], aImageKeys[2], + wr::ColorDepth::Color8, wr::ToWrYuvColorSpace(GetYUVColorSpace()), + wr::ToWrColorRange(GetColorRange()), aFilter, + preferCompositorSurface); + break; + } + default: { + MOZ_ASSERT_UNREACHABLE("unexpected to be called"); + } + } +} + +} // namespace mozilla::layers |