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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 "MacIOSurfaceTextureClientOGL.h"
#include "mozilla/gfx/MacIOSurface.h"
#include "MacIOSurfaceHelpers.h"
#include "gfxPlatform.h"
namespace mozilla {
namespace layers {
using namespace gfx;
MacIOSurfaceTextureData::MacIOSurfaceTextureData(MacIOSurface* aSurface,
BackendType aBackend)
: mSurface(aSurface), mBackend(aBackend) {
MOZ_ASSERT(mSurface);
}
MacIOSurfaceTextureData::~MacIOSurfaceTextureData() = default;
// static
MacIOSurfaceTextureData* MacIOSurfaceTextureData::Create(MacIOSurface* aSurface,
BackendType aBackend) {
MOZ_ASSERT(aSurface);
if (!aSurface) {
return nullptr;
}
return new MacIOSurfaceTextureData(aSurface, aBackend);
}
MacIOSurfaceTextureData* MacIOSurfaceTextureData::Create(const IntSize& aSize,
SurfaceFormat aFormat,
BackendType aBackend) {
if (aFormat != SurfaceFormat::B8G8R8A8 &&
aFormat != SurfaceFormat::B8G8R8X8) {
return nullptr;
}
RefPtr<MacIOSurface> surf = MacIOSurface::CreateIOSurface(
aSize.width, aSize.height, aFormat == SurfaceFormat::B8G8R8A8);
if (!surf) {
return nullptr;
}
return Create(surf, aBackend);
}
bool MacIOSurfaceTextureData::Serialize(SurfaceDescriptor& aOutDescriptor) {
aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
!mSurface->HasAlpha(),
mSurface->GetYUVColorSpace());
return true;
}
void MacIOSurfaceTextureData::GetSubDescriptor(
RemoteDecoderVideoSubDescriptor* const aOutDesc) {
*aOutDesc = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
!mSurface->HasAlpha(),
mSurface->GetYUVColorSpace());
}
void MacIOSurfaceTextureData::FillInfo(TextureData::Info& aInfo) const {
aInfo.size = gfx::IntSize(mSurface->GetDevicePixelWidth(),
mSurface->GetDevicePixelHeight());
aInfo.format =
mSurface->HasAlpha() ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::B8G8R8X8;
aInfo.hasSynchronization = false;
aInfo.supportsMoz2D = true;
aInfo.canExposeMappedData = false;
}
bool MacIOSurfaceTextureData::Lock(OpenMode) {
mSurface->Lock(false);
return true;
}
void MacIOSurfaceTextureData::Unlock() { mSurface->Unlock(false); }
already_AddRefed<DataSourceSurface> MacIOSurfaceTextureData::GetAsSurface() {
RefPtr<SourceSurface> surf = CreateSourceSurfaceFromMacIOSurface(mSurface);
return surf->GetDataSurface();
}
already_AddRefed<DrawTarget> MacIOSurfaceTextureData::BorrowDrawTarget() {
MOZ_ASSERT(mBackend != BackendType::NONE);
if (mBackend == BackendType::NONE) {
// shouldn't happen, but degrade gracefully
return nullptr;
}
return Factory::CreateDrawTargetForData(
mBackend, (unsigned char*)mSurface->GetBaseAddress(),
IntSize(mSurface->GetWidth(), mSurface->GetHeight()),
mSurface->GetBytesPerRow(),
mSurface->HasAlpha() ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::B8G8R8X8,
true);
}
void MacIOSurfaceTextureData::Deallocate(LayersIPCChannel*) {
mSurface = nullptr;
}
void MacIOSurfaceTextureData::Forget(LayersIPCChannel*) { mSurface = nullptr; }
bool MacIOSurfaceTextureData::UpdateFromSurface(gfx::SourceSurface* aSurface) {
RefPtr<DrawTarget> dt = BorrowDrawTarget();
if (!dt) {
return false;
}
dt->CopySurface(aSurface, IntRect(IntPoint(), aSurface->GetSize()),
IntPoint());
return true;
}
} // namespace layers
} // namespace mozilla