зеркало из https://github.com/mozilla/gecko-dev.git
137 строки
3.9 KiB
C++
137 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* 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 "GLContext.h" // for GLContext, etc
|
|
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
|
|
#include "mozilla/layers/ISurfaceAllocator.h"
|
|
#include "mozilla/layers/TextureClientOGL.h"
|
|
#include "mozilla/gfx/Point.h" // for IntSize
|
|
#include "GLLibraryEGL.h"
|
|
|
|
using namespace mozilla::gl;
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class CompositableForwarder;
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// EGLImage
|
|
|
|
EGLImageTextureData::EGLImageTextureData(EGLImageImage* aImage, gfx::IntSize aSize)
|
|
: mImage(aImage)
|
|
, mSize(aSize)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
}
|
|
|
|
already_AddRefed<TextureClient>
|
|
EGLImageTextureData::CreateTextureClient(EGLImageImage* aImage, gfx::IntSize aSize,
|
|
LayersIPCChannel* aAllocator, TextureFlags aFlags)
|
|
{
|
|
MOZ_ASSERT(XRE_IsParentProcess(),
|
|
"Can't pass an `EGLImage` between processes.");
|
|
|
|
if (!aImage || !XRE_IsParentProcess()) {
|
|
return nullptr;
|
|
}
|
|
|
|
// XXX - This is quite sad and slow.
|
|
aFlags |= TextureFlags::DEALLOCATE_CLIENT;
|
|
|
|
if (aImage->GetOriginPos() == gl::OriginPos::BottomLeft) {
|
|
aFlags |= TextureFlags::ORIGIN_BOTTOM_LEFT;
|
|
}
|
|
|
|
return TextureClient::CreateWithData(
|
|
new EGLImageTextureData(aImage, aSize),
|
|
aFlags, aAllocator
|
|
);
|
|
}
|
|
|
|
void
|
|
EGLImageTextureData::FillInfo(TextureData::Info& aInfo) const
|
|
{
|
|
aInfo.size = mSize;
|
|
aInfo.format = gfx::SurfaceFormat::UNKNOWN;
|
|
aInfo.hasIntermediateBuffer = false;
|
|
aInfo.hasSynchronization = false;
|
|
aInfo.supportsMoz2D = false;
|
|
aInfo.canExposeMappedData = false;
|
|
}
|
|
|
|
bool
|
|
EGLImageTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
|
|
{
|
|
const bool hasAlpha = true;
|
|
aOutDescriptor =
|
|
EGLImageDescriptor((uintptr_t)mImage->GetImage(),
|
|
(uintptr_t)mImage->GetSync(),
|
|
mImage->GetSize(), hasAlpha);
|
|
return true;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// AndroidSurface
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
|
|
already_AddRefed<TextureClient>
|
|
AndroidSurfaceTextureData::CreateTextureClient(AndroidSurfaceTexture* aSurfTex,
|
|
gfx::IntSize aSize,
|
|
gl::OriginPos aOriginPos,
|
|
LayersIPCChannel* aAllocator,
|
|
TextureFlags aFlags)
|
|
{
|
|
MOZ_ASSERT(XRE_IsParentProcess(),
|
|
"Can't pass an android surfaces between processes.");
|
|
|
|
if (!aSurfTex || !XRE_IsParentProcess()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (aOriginPos == gl::OriginPos::BottomLeft) {
|
|
aFlags |= TextureFlags::ORIGIN_BOTTOM_LEFT;
|
|
}
|
|
|
|
return TextureClient::CreateWithData(
|
|
new AndroidSurfaceTextureData(aSurfTex, aSize),
|
|
aFlags, aAllocator
|
|
);
|
|
}
|
|
|
|
AndroidSurfaceTextureData::AndroidSurfaceTextureData(AndroidSurfaceTexture* aSurfTex,
|
|
gfx::IntSize aSize)
|
|
: mSurfTex(aSurfTex)
|
|
, mSize(aSize)
|
|
{}
|
|
|
|
AndroidSurfaceTextureData::~AndroidSurfaceTextureData()
|
|
{}
|
|
|
|
void
|
|
AndroidSurfaceTextureData::FillInfo(TextureData::Info& aInfo) const
|
|
{
|
|
aInfo.size = mSize;
|
|
aInfo.format = gfx::SurfaceFormat::UNKNOWN;
|
|
aInfo.hasIntermediateBuffer = false;
|
|
aInfo.hasSynchronization = false;
|
|
aInfo.supportsMoz2D = false;
|
|
aInfo.canExposeMappedData = false;
|
|
}
|
|
|
|
bool
|
|
AndroidSurfaceTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
|
|
{
|
|
aOutDescriptor = SurfaceTextureDescriptor((uintptr_t)mSurfTex.get(),
|
|
mSize);
|
|
return true;
|
|
}
|
|
|
|
#endif // MOZ_WIDGET_ANDROID
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|