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gecko-dev/gfx/layers/opengl/TextureHostOGL.cpp

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/* -*- 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 "TextureHostOGL.h"
#include "EGLUtils.h"
#include "GLContext.h" // for GLContext, etc
#include "GLLibraryEGL.h" // for GLLibraryEGL
#include "GLUploadHelpers.h"
#include "GLReadTexImageHelper.h"
#include "gfx2DGlue.h" // for ContentForFormat, etc
#include "gfxReusableSurfaceWrapper.h" // for gfxReusableSurfaceWrapper
#include "mozilla/gfx/2D.h" // for DataSourceSurface
#include "mozilla/gfx/BaseSize.h" // for BaseSize
#ifdef MOZ_WIDGET_GONK
# include "GrallocImages.h" // for GrallocImage
# include "EGLImageHelpers.h"
#endif
#include "mozilla/layers/ISurfaceAllocator.h"
#include "mozilla/layers/YCbCrImageDataSerializer.h"
#include "mozilla/layers/GrallocTextureHost.h"
#include "nsPoint.h" // for nsIntPoint
#include "nsRegion.h" // for nsIntRegion
#include "AndroidSurfaceTexture.h"
#include "GfxTexturesReporter.h" // for GfxTexturesReporter
#include "GLBlitTextureImageHelper.h"
#ifdef XP_MACOSX
#include "SharedSurfaceIO.h"
#include "mozilla/layers/MacIOSurfaceTextureHostOGL.h"
#endif
#include "GeckoProfiler.h"
using namespace mozilla::gl;
using namespace mozilla::gfx;
namespace mozilla {
namespace layers {
class Compositor;
TemporaryRef<CompositableBackendSpecificData>
CreateCompositableBackendSpecificDataOGL()
{
#ifdef MOZ_WIDGET_GONK
return new CompositableDataGonkOGL();
#else
return nullptr;
#endif
}
TemporaryRef<TextureHost>
CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
RefPtr<TextureHost> result;
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem:
case SurfaceDescriptor::TSurfaceDescriptorMemory: {
result = CreateBackendIndependentTextureHost(aDesc,
aDeallocator, aFlags);
break;
}
#ifdef MOZ_WIDGET_ANDROID
case SurfaceDescriptor::TSurfaceTextureDescriptor: {
const SurfaceTextureDescriptor& desc = aDesc.get_SurfaceTextureDescriptor();
result = new SurfaceTextureHost(aFlags,
(AndroidSurfaceTexture*)desc.surfTex(),
desc.size());
break;
}
#endif
case SurfaceDescriptor::TEGLImageDescriptor: {
const EGLImageDescriptor& desc = aDesc.get_EGLImageDescriptor();
result = new EGLImageTextureHost(aFlags,
(EGLImage)desc.image(),
desc.size());
break;
}
#ifdef XP_MACOSX
case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
const SurfaceDescriptorMacIOSurface& desc =
aDesc.get_SurfaceDescriptorMacIOSurface();
result = new MacIOSurfaceTextureHostOGL(aFlags, desc);
break;
}
#endif
#ifdef MOZ_WIDGET_GONK
case SurfaceDescriptor::TNewSurfaceDescriptorGralloc: {
const NewSurfaceDescriptorGralloc& desc =
aDesc.get_NewSurfaceDescriptorGralloc();
result = new GrallocTextureHostOGL(aFlags, desc);
break;
}
#endif
default: return nullptr;
}
return result.forget();
}
static gl::TextureImage::Flags
FlagsToGLFlags(TextureFlags aFlags)
{
uint32_t result = TextureImage::NoFlags;
if (aFlags & TextureFlags::USE_NEAREST_FILTER)
result |= TextureImage::UseNearestFilter;
if (aFlags & TextureFlags::NEEDS_Y_FLIP)
result |= TextureImage::NeedsYFlip;
if (aFlags & TextureFlags::DISALLOW_BIGIMAGE)
result |= TextureImage::DisallowBigImage;
return static_cast<gl::TextureImage::Flags>(result);
}
CompositableDataGonkOGL::CompositableDataGonkOGL()
{
}
CompositableDataGonkOGL::~CompositableDataGonkOGL()
{
ClearData();
}
void
CompositableDataGonkOGL::ClearData()
{
CompositableBackendSpecificData::ClearData();
mTextureBackendSpecificData = nullptr;
mCompositor = nullptr;
}
void
CompositableDataGonkOGL::SetCompositor(Compositor* aCompositor)
{
mCompositor = static_cast<CompositorOGL*>(aCompositor);
if (mTextureBackendSpecificData) {
mTextureBackendSpecificData->SetCompositor(aCompositor);
}
}
TextureSharedDataGonkOGL*
CompositableDataGonkOGL::GetTextureBackendSpecificData()
{
if (!mTextureBackendSpecificData) {
mTextureBackendSpecificData = new TextureSharedDataGonkOGL();
mTextureBackendSpecificData->SetCompositor(mCompositor);
mTextureBackendSpecificData->SetAllowSharingTextureHost(IsAllowingSharingTextureHost());
}
return mTextureBackendSpecificData;
}
TextureSharedDataGonkOGL::TextureSharedDataGonkOGL()
: mOwnedByCompositableHost(true)
, mAllowSharingTextureHost(false)
, mTexture(0)
, mBoundEGLImage(EGL_NO_IMAGE)
{
}
TextureSharedDataGonkOGL::TextureSharedDataGonkOGL(GLuint aTexture, EGLImage aImage, CompositorOGL* aCompositor)
: mOwnedByCompositableHost(true)
, mAllowSharingTextureHost(false)
, mCompositor(aCompositor)
, mTexture(aTexture)
, mBoundEGLImage(aImage)
{
}
TextureSharedDataGonkOGL::~TextureSharedDataGonkOGL()
{
DeleteTextureIfPresent();
}
gl::GLContext*
TextureSharedDataGonkOGL::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
void
TextureSharedDataGonkOGL::SetCompositor(Compositor* aCompositor)
{
if (gl() && mCompositor != aCompositor) {
DeleteTextureIfPresent();
}
mCompositor = static_cast<CompositorOGL*>(aCompositor);
}
void
TextureSharedDataGonkOGL::ClearData()
{
DeleteTextureIfPresent();
}
TemporaryRef<TextureSharedDataGonkOGL>
TextureSharedDataGonkOGL::GetNewTextureBackendSpecificData(EGLImage aImage)
{
MOZ_ASSERT(IsAllowingSharingTextureHost());
if (IsEGLImageBound(aImage))
{
// If EGLImage is already bound to OpenGL Texture,
// handover the OpenGL Texture to caller
GLuint textureId = GetAndResetGLTextureOwnership();
RefPtr<TextureSharedDataGonkOGL> data = new TextureSharedDataGonkOGL(textureId, aImage, mCompositor);
data->SetCompositor(mCompositor);
data->SetAllowSharingTextureHost(true);
return data;
}
// Create brand new TextureSharedDataGonkOGL
RefPtr<TextureSharedDataGonkOGL> data = new TextureSharedDataGonkOGL();
data->SetCompositor(mCompositor);
data->SetAllowSharingTextureHost(true);
return data;
}
GLuint
TextureSharedDataGonkOGL::GetTexture()
{
if (!mTexture) {
if (gl() && gl()->MakeCurrent()) {
gl()->fGenTextures(1, &mTexture);
}
}
return mTexture;
}
GLuint
TextureSharedDataGonkOGL::GetAndResetGLTextureOwnership()
{
GLuint texture = mTexture;
mTexture = 0;
mBoundEGLImage = EGL_NO_IMAGE;
return texture;
}
void
TextureSharedDataGonkOGL::DeleteTextureIfPresent()
{
if (mTexture) {
MOZ_ASSERT(mCompositor);
if (gl() && gl()->MakeCurrent()) {
gl()->fDeleteTextures(1, &mTexture);
}
mTexture = 0;
mBoundEGLImage = EGL_NO_IMAGE;
}
}
void
TextureSharedDataGonkOGL::BindEGLImage(GLuint aTarget, EGLImage aImage)
{
if (mBoundEGLImage != aImage) {
MOZ_ASSERT(gl());
if (gl()) {
gl()->fEGLImageTargetTexture2D(aTarget, aImage);
}
mBoundEGLImage = aImage;
}
}
void
TextureSharedDataGonkOGL::ClearBoundEGLImage(EGLImage aImage)
{
if (mBoundEGLImage == aImage) {
DeleteTextureIfPresent();
mBoundEGLImage = EGL_NO_IMAGE;
}
}
bool
TextureSharedDataGonkOGL::IsEGLImageBound(EGLImage aImage)
{
if (mTexture != 0 &&
aImage != EGL_NO_IMAGE &&
aImage == mBoundEGLImage) {
return true;
}
return false;
}
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
bool
TextureHostOGL::SetReleaseFence(const android::sp<android::Fence>& aReleaseFence)
{
if (!aReleaseFence.get() || !aReleaseFence->isValid()) {
// HWC might not provide Fence.
// In this case, HWC implicitly handles buffer's fence.
return false;
}
if (!mReleaseFence.get()) {
mReleaseFence = aReleaseFence;
} else {
android::sp<android::Fence> mergedFence = android::Fence::merge(
android::String8::format("TextureHostOGL"),
mReleaseFence, aReleaseFence);
if (!mergedFence.get()) {
// synchronization is broken, the best we can do is hope fences
// signal in order so the new fence will act like a union.
// This error handling is same as android::ConsumerBase does.
mReleaseFence = aReleaseFence;
return false;
}
mReleaseFence = mergedFence;
}
return true;
}
android::sp<android::Fence>
TextureHostOGL::GetAndResetReleaseFence()
{
// Hold previous ReleaseFence to prevent Fence delivery failure via gecko IPC.
mPrevReleaseFence = mReleaseFence;
// Reset current ReleaseFence.
mReleaseFence = android::Fence::NO_FENCE;
return mPrevReleaseFence;
}
void
TextureHostOGL::SetAcquireFence(const android::sp<android::Fence>& aAcquireFence)
{
mAcquireFence = aAcquireFence;
}
android::sp<android::Fence>
TextureHostOGL::GetAndResetAcquireFence()
{
android::sp<android::Fence> fence = mAcquireFence;
// Reset current AcquireFence.
mAcquireFence = android::Fence::NO_FENCE;
return fence;
}
void
TextureHostOGL::WaitAcquireFenceSyncComplete()
{
if (!mAcquireFence.get() || !mAcquireFence->isValid()) {
return;
}
int fenceFd = mAcquireFence->dup();
if (fenceFd == -1) {
NS_WARNING("failed to dup fence fd");
return;
}
EGLint attribs[] = {
LOCAL_EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fenceFd,
LOCAL_EGL_NONE
};
EGLSync sync = sEGLLibrary.fCreateSync(EGL_DISPLAY(),
LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID,
attribs);
if (!sync) {
NS_WARNING("failed to create native fence sync");
return;
}
// Wait sync complete with timeout.
// If a source of the fence becomes invalid because of error,
// fene complete is not signaled. See Bug 1061435.
EGLint status = sEGLLibrary.fClientWaitSync(EGL_DISPLAY(),
sync,
0,
400000000 /*400 usec*/);
if (status != LOCAL_EGL_CONDITION_SATISFIED) {
NS_ERROR("failed to wait native fence sync");
}
MOZ_ALWAYS_TRUE( sEGLLibrary.fDestroySync(EGL_DISPLAY(), sync) );
mAcquireFence = nullptr;
}
#endif
bool
TextureImageTextureSourceOGL::Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion,
gfx::IntPoint* aSrcOffset)
{
MOZ_ASSERT(mGL);
if (!mGL) {
NS_WARNING("trying to update TextureImageTextureSourceOGL without a GLContext");
return false;
}
MOZ_ASSERT(aSurface);
IntSize size = aSurface->GetSize();
if (!mTexImage ||
(mTexImage->GetSize() != size && !aSrcOffset) ||
mTexImage->GetContentType() != gfx::ContentForFormat(aSurface->GetFormat())) {
if (mFlags & TextureFlags::DISALLOW_BIGIMAGE) {
GLint maxTextureSize;
mGL->fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, &maxTextureSize);
if (size.width > maxTextureSize || size.height > maxTextureSize) {
NS_WARNING("Texture exceeds maximum texture size, refusing upload");
return false;
}
// Explicitly use CreateBasicTextureImage instead of CreateTextureImage,
// because CreateTextureImage might still choose to create a tiled
// texture image.
mTexImage = CreateBasicTextureImage(mGL, size,
gfx::ContentForFormat(aSurface->GetFormat()),
LOCAL_GL_CLAMP_TO_EDGE,
FlagsToGLFlags(mFlags),
SurfaceFormatToImageFormat(aSurface->GetFormat()));
} else {
// XXX - clarify which size we want to use. IncrementalContentHost will
// require the size of the destination surface to be different from
// the size of aSurface.
// See bug 893300 (tracks the implementation of ContentHost for new textures).
mTexImage = CreateTextureImage(mGL,
size,
gfx::ContentForFormat(aSurface->GetFormat()),
LOCAL_GL_CLAMP_TO_EDGE,
FlagsToGLFlags(mFlags),
SurfaceFormatToImageFormat(aSurface->GetFormat()));
}
ClearCachedFilter();
if (aDestRegion &&
!aSrcOffset &&
!aDestRegion->IsEqual(nsIntRect(0, 0, size.width, size.height))) {
// UpdateFromDataSource will ignore our specified aDestRegion since the texture
// hasn't been allocated with glTexImage2D yet. Call Resize() to force the
// allocation (full size, but no upload), and then we'll only upload the pixels
// we care about below.
mTexImage->Resize(size);
}
}
mTexImage->UpdateFromDataSource(aSurface, aDestRegion, aSrcOffset);
if (mTexImage->InUpdate()) {
mTexImage->EndUpdate();
}
return true;
}
void
TextureImageTextureSourceOGL::EnsureBuffer(const nsIntSize& aSize,
gfxContentType aContentType)
{
if (!mTexImage ||
mTexImage->GetSize() != aSize.ToIntSize() ||
mTexImage->GetContentType() != aContentType) {
mTexImage = CreateTextureImage(mGL,
aSize.ToIntSize(),
aContentType,
LOCAL_GL_CLAMP_TO_EDGE,
FlagsToGLFlags(mFlags));
}
mTexImage->Resize(aSize.ToIntSize());
}
void
TextureImageTextureSourceOGL::CopyTo(const nsIntRect& aSourceRect,
DataTextureSource *aDest,
const nsIntRect& aDestRect)
{
MOZ_ASSERT(aDest->AsSourceOGL(), "Incompatible destination type!");
TextureImageTextureSourceOGL *dest =
aDest->AsSourceOGL()->AsTextureImageTextureSource();
MOZ_ASSERT(dest, "Incompatible destination type!");
mGL->BlitTextureImageHelper()->BlitTextureImage(mTexImage, aSourceRect,
dest->mTexImage, aDestRect);
dest->mTexImage->MarkValid();
}
void
TextureImageTextureSourceOGL::SetCompositor(Compositor* aCompositor)
{
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
if (!glCompositor || (mGL != glCompositor->gl())) {
DeallocateDeviceData();
mGL = glCompositor ? glCompositor->gl() : nullptr;
}
}
gfx::IntSize
TextureImageTextureSourceOGL::GetSize() const
{
if (mTexImage) {
if (mIterating) {
return mTexImage->GetTileRect().Size();
}
return mTexImage->GetSize();
}
NS_WARNING("Trying to query the size of an empty TextureSource.");
return gfx::IntSize(0, 0);
}
gfx::SurfaceFormat
TextureImageTextureSourceOGL::GetFormat() const
{
if (mTexImage) {
return mTexImage->GetTextureFormat();
}
NS_WARNING("Trying to query the format of an empty TextureSource.");
return gfx::SurfaceFormat::UNKNOWN;
}
nsIntRect TextureImageTextureSourceOGL::GetTileRect()
{
return ThebesIntRect(mTexImage->GetTileRect());
}
void
TextureImageTextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter)
{
MOZ_ASSERT(mTexImage,
"Trying to bind a TextureSource that does not have an underlying GL texture.");
mTexImage->BindTexture(aTextureUnit);
SetFilter(mGL, aFilter);
}
////////////////////////////////////////////////////////////////////////
// GLTextureSource
GLTextureSource::GLTextureSource(CompositorOGL* aCompositor,
GLuint aTex,
gfx::SurfaceFormat aFormat,
GLenum aTarget,
gfx::IntSize aSize)
: mSize(aSize)
, mCompositor(aCompositor)
, mTex(aTex)
, mFormat(aFormat)
, mTextureTarget(aTarget)
{
}
void
GLTextureSource::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter)
{
if (!gl()) {
NS_WARNING("Trying to bind a texture without a GLContext");
return;
}
gl()->fActiveTexture(aTextureUnit);
gl()->fBindTexture(mTextureTarget, mTex);
ApplyFilterToBoundTexture(gl(), aFilter, mTextureTarget);
}
void
GLTextureSource::SetCompositor(Compositor* aCompositor)
{
mCompositor = static_cast<CompositorOGL*>(aCompositor);
}
bool
GLTextureSource::IsValid() const
{
return !!gl();
}
gl::GLContext*
GLTextureSource::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// SurfaceTextureHost
#ifdef MOZ_WIDGET_ANDROID
SurfaceTextureSource::SurfaceTextureSource(CompositorOGL* aCompositor,
AndroidSurfaceTexture* aSurfTex,
gfx::SurfaceFormat aFormat,
GLenum aTarget,
GLenum aWrapMode,
gfx::IntSize aSize)
: mCompositor(aCompositor)
, mSurfTex(aSurfTex)
, mFormat(aFormat)
, mTextureTarget(aTarget)
, mWrapMode(aWrapMode)
, mSize(aSize)
{
}
void
SurfaceTextureSource::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter)
{
if (!gl()) {
NS_WARNING("Trying to bind a texture without a GLContext");
return;
}
gl()->fActiveTexture(aTextureUnit);
#ifndef DEBUG
// SurfaceTexture spams us if there are any existing GL errors, so
// we'll clear them here in order to avoid that.
gl()->GetAndClearError();
#endif
mSurfTex->UpdateTexImage();
ApplyFilterToBoundTexture(gl(), aFilter, mTextureTarget);
}
void
SurfaceTextureSource::SetCompositor(Compositor* aCompositor)
{
mCompositor = static_cast<CompositorOGL*>(aCompositor);
}
bool
SurfaceTextureSource::IsValid() const
{
return !!gl();
}
gl::GLContext*
SurfaceTextureSource::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
gfx::Matrix4x4
SurfaceTextureSource::GetTextureTransform()
{
gfx::Matrix4x4 ret;
mSurfTex->GetTransformMatrix(ret);
return ret;
}
////////////////////////////////////////////////////////////////////////
SurfaceTextureHost::SurfaceTextureHost(TextureFlags aFlags,
AndroidSurfaceTexture* aSurfTex,
gfx::IntSize aSize)
: TextureHost(aFlags)
, mSurfTex(aSurfTex)
, mSize(aSize)
, mCompositor(nullptr)
{
}
SurfaceTextureHost::~SurfaceTextureHost()
{
}
gl::GLContext*
SurfaceTextureHost::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
bool
SurfaceTextureHost::Lock()
{
if (!mCompositor) {
return false;
}
if (!mTextureSource) {
gfx::SurfaceFormat format = gfx::SurfaceFormat::R8G8B8A8;
GLenum target = LOCAL_GL_TEXTURE_EXTERNAL;
GLenum wrapMode = LOCAL_GL_CLAMP_TO_EDGE;
mTextureSource = new SurfaceTextureSource(mCompositor,
mSurfTex,
format,
target,
wrapMode,
mSize);
}
mSurfTex->Attach(gl());
return true;
}
void
SurfaceTextureHost::Unlock()
{
mSurfTex->Detach();
}
void
SurfaceTextureHost::SetCompositor(Compositor* aCompositor)
{
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
mCompositor = glCompositor;
if (mTextureSource) {
mTextureSource->SetCompositor(glCompositor);
}
}
gfx::SurfaceFormat
SurfaceTextureHost::GetFormat() const
{
MOZ_ASSERT(mTextureSource);
return mTextureSource->GetFormat();
}
#endif // MOZ_WIDGET_ANDROID
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// EGLImage
EGLImageTextureSource::EGLImageTextureSource(CompositorOGL* aCompositor,
EGLImage aImage,
gfx::SurfaceFormat aFormat,
GLenum aTarget,
GLenum aWrapMode,
gfx::IntSize aSize)
: mCompositor(aCompositor)
, mImage(aImage)
, mFormat(aFormat)
, mTextureTarget(aTarget)
, mWrapMode(aWrapMode)
, mSize(aSize)
{
}
void
EGLImageTextureSource::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter)
{
if (!gl()) {
NS_WARNING("Trying to bind a texture without a GLContext");
return;
}
MOZ_ASSERT(DoesEGLContextSupportSharingWithEGLImage(gl()),
"EGLImage not supported or disabled in runtime");
GLuint tex = mCompositor->GetTemporaryTexture(GetTextureTarget(), aTextureUnit);
gl()->fActiveTexture(aTextureUnit);
gl()->fBindTexture(mTextureTarget, tex);
MOZ_ASSERT(mTextureTarget == LOCAL_GL_TEXTURE_2D);
gl()->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, mImage);
ApplyFilterToBoundTexture(gl(), aFilter, mTextureTarget);
}
void
EGLImageTextureSource::SetCompositor(Compositor* aCompositor)
{
mCompositor = static_cast<CompositorOGL*>(aCompositor);
}
bool
EGLImageTextureSource::IsValid() const
{
return !!gl();
}
gl::GLContext*
EGLImageTextureSource::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
gfx::Matrix4x4
EGLImageTextureSource::GetTextureTransform()
{
gfx::Matrix4x4 ret;
return ret;
}
////////////////////////////////////////////////////////////////////////
EGLImageTextureHost::EGLImageTextureHost(TextureFlags aFlags,
EGLImage aImage,
gfx::IntSize aSize)
: TextureHost(aFlags)
, mImage(aImage)
, mSize(aSize)
, mCompositor(nullptr)
{
}
EGLImageTextureHost::~EGLImageTextureHost()
{
}
gl::GLContext*
EGLImageTextureHost::gl() const
{
return mCompositor ? mCompositor->gl() : nullptr;
}
bool
EGLImageTextureHost::Lock()
{
if (!mCompositor) {
return false;
}
if (!mTextureSource) {
gfx::SurfaceFormat format = gfx::SurfaceFormat::R8G8B8A8;
GLenum target = LOCAL_GL_TEXTURE_2D;
GLenum wrapMode = LOCAL_GL_CLAMP_TO_EDGE;
mTextureSource = new EGLImageTextureSource(mCompositor,
mImage,
format,
target,
wrapMode,
mSize);
}
return true;
}
void
EGLImageTextureHost::Unlock()
{
}
void
EGLImageTextureHost::SetCompositor(Compositor* aCompositor)
{
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
mCompositor = glCompositor;
if (mTextureSource) {
mTextureSource->SetCompositor(glCompositor);
}
}
gfx::SurfaceFormat
EGLImageTextureHost::GetFormat() const
{
MOZ_ASSERT(mTextureSource);
return mTextureSource->GetFormat();
}
} // namespace
} // namespace
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