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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
#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) {
MOZ_ASSERT(mExternalImageId.isSome());
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