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-rw-r--r--gfx/layers/opengl/DMABUFTextureHostOGL.cpp186
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
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+++ 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