gecko/gfx/layers/opengl/TextureClientOGL.cpp

135 lines
3.5 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 "nsSize.h" // for nsIntSize
#include "GLLibraryEGL.h"
using namespace mozilla::gl;
namespace mozilla {
namespace layers {
class CompositableForwarder;
////////////////////////////////////////////////////////////////////////
// EGLImageTextureClient
EGLImageTextureClient::EGLImageTextureClient(ISurfaceAllocator* aAllocator,
TextureFlags aFlags,
EGLImageImage* aImage,
gfx::IntSize aSize)
: TextureClient(aAllocator, aFlags)
, mImage(aImage)
, mSize(aSize)
, mIsLocked(false)
{
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default,
"Can't pass an `EGLImage` between processes.");
AddFlags(TextureFlags::DEALLOCATE_CLIENT);
if (aImage->GetData()->mOriginPos == gl::OriginPos::BottomLeft) {
AddFlags(TextureFlags::ORIGIN_BOTTOM_LEFT);
}
}
bool
EGLImageTextureClient::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(IsAllocated());
const EGLImageImage::Data* data = mImage->GetData();
aOutDescriptor = EGLImageDescriptor((uintptr_t)data->mImage, (uintptr_t)data->mSync, mSize);
return true;
}
bool
EGLImageTextureClient::Lock(OpenMode mode)
{
MOZ_ASSERT(!mIsLocked);
if (!IsValid() || !IsAllocated()) {
return false;
}
mIsLocked = true;
return true;
}
void
EGLImageTextureClient::Unlock()
{
MOZ_ASSERT(mIsLocked);
mIsLocked = false;
}
////////////////////////////////////////////////////////////////////////
// SurfaceTextureClient
#ifdef MOZ_WIDGET_ANDROID
SurfaceTextureClient::SurfaceTextureClient(ISurfaceAllocator* aAllocator,
TextureFlags aFlags,
AndroidSurfaceTexture* aSurfTex,
gfx::IntSize aSize,
gl::OriginPos aOriginPos)
: TextureClient(aAllocator, aFlags)
, mSurfTex(aSurfTex)
, mSize(aSize)
, mIsLocked(false)
{
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default,
"Can't pass pointers between processes.");
// Our data is always owned externally.
AddFlags(TextureFlags::DEALLOCATE_CLIENT);
if (aOriginPos == gl::OriginPos::BottomLeft) {
AddFlags(TextureFlags::ORIGIN_BOTTOM_LEFT);
}
}
SurfaceTextureClient::~SurfaceTextureClient()
{
// Our data is always owned externally.
}
bool
SurfaceTextureClient::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(IsAllocated());
aOutDescriptor = SurfaceTextureDescriptor((uintptr_t)mSurfTex.get(),
mSize);
return true;
}
bool
SurfaceTextureClient::Lock(OpenMode mode)
{
MOZ_ASSERT(!mIsLocked);
if (!IsValid() || !IsAllocated()) {
return false;
}
mIsLocked = true;
return true;
}
void
SurfaceTextureClient::Unlock()
{
MOZ_ASSERT(mIsLocked);
mIsLocked = false;
}
#endif // MOZ_WIDGET_ANDROID
} // namespace
} // namespace