gecko/gfx/layers/opengl/GrallocTextureClient.cpp

425 lines
12 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/. */
#ifdef MOZ_WIDGET_GONK
#include "mozilla/gfx/2D.h"
#include "mozilla/layers/AsyncTransactionTracker.h" // for AsyncTransactionTracker
#include "mozilla/layers/GrallocTextureClient.h"
#include "mozilla/layers/CompositableForwarder.h"
#include "mozilla/layers/ISurfaceAllocator.h"
#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
#include "gfx2DGlue.h"
#include "SharedSurfaceGralloc.h"
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
#include <ui/Fence.h>
#endif
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
using namespace android;
GrallocTextureClientOGL::GrallocTextureClientOGL(ISurfaceAllocator* aAllocator,
gfx::SurfaceFormat aFormat,
gfx::BackendType aMoz2dBackend,
TextureFlags aFlags)
: BufferTextureClient(aAllocator, aFormat, aMoz2dBackend, aFlags)
, mGrallocHandle(null_t())
, mMappedBuffer(nullptr)
, mMediaBuffer(nullptr)
, mIsOpaque(gfx::IsOpaque(aFormat))
{
MOZ_COUNT_CTOR(GrallocTextureClientOGL);
}
GrallocTextureClientOGL::~GrallocTextureClientOGL()
{
MOZ_COUNT_DTOR(GrallocTextureClientOGL);
ISurfaceAllocator* allocator = GetAllocator();
if (ShouldDeallocateInDestructor()) {
allocator->DeallocGrallocBuffer(&mGrallocHandle);
} else {
allocator->DropGrallocBuffer(&mGrallocHandle);
}
}
already_AddRefed<TextureClient>
GrallocTextureClientOGL::CreateSimilar(TextureFlags aFlags,
TextureAllocationFlags aAllocFlags) const
{
RefPtr<TextureClient> tex = new GrallocTextureClientOGL(
mAllocator, mFormat, mBackend, mFlags | aFlags
);
if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
return nullptr;
}
return tex.forget();
}
bool
GrallocTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
MOZ_ASSERT(IsValid());
if (!IsAllocated()) {
return false;
}
aOutDescriptor = NewSurfaceDescriptorGralloc(mGrallocHandle, mIsOpaque);
return true;
}
void
GrallocTextureClientOGL::SetRemoveFromCompositableWaiter(AsyncTransactionWaiter* aWaiter)
{
mRemoveFromCompositableWaiter = aWaiter;
}
void
GrallocTextureClientOGL::WaitForBufferOwnership(bool aWaitReleaseFence)
{
if (mRemoveFromCompositableWaiter) {
mRemoveFromCompositableWaiter->WaitComplete();
mRemoveFromCompositableWaiter = nullptr;
}
if (!aWaitReleaseFence) {
return;
}
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
if (mReleaseFenceHandle.IsValid()) {
nsRefPtr<FenceHandle::FdObj> fdObj = mReleaseFenceHandle.GetAndResetFdObj();
android::sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
#if ANDROID_VERSION == 17
fence->waitForever(1000, "GrallocTextureClientOGL::Lock");
// 1000 is what Android uses. It is a warning timeout in ms.
// This timeout was removed in ANDROID_VERSION 18.
#else
fence->waitForever("GrallocTextureClientOGL::Lock");
#endif
mReleaseFenceHandle = FenceHandle();
}
#endif
}
bool
GrallocTextureClientOGL::Lock(OpenMode aMode)
{
MOZ_ASSERT(IsValid());
if (!IsValid() || !IsAllocated()) {
return false;
}
if (mMappedBuffer) {
return true;
}
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
WaitForBufferOwnership(false /* aWaitReleaseFence */);
#else
WaitForBufferOwnership();
#endif
uint32_t usage = 0;
if (aMode & OpenMode::OPEN_READ) {
usage |= GRALLOC_USAGE_SW_READ_OFTEN;
}
if (aMode & OpenMode::OPEN_WRITE) {
usage |= GRALLOC_USAGE_SW_WRITE_OFTEN;
}
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
nsRefPtr<FenceHandle::FdObj> fdObj = mReleaseFenceHandle.GetAndResetFdObj();
int32_t rv = mGraphicBuffer->lockAsync(usage,
reinterpret_cast<void**>(&mMappedBuffer),
fdObj->GetAndResetFd());
#else
int32_t rv = mGraphicBuffer->lock(usage,
reinterpret_cast<void**>(&mMappedBuffer));
#endif
if (rv) {
mMappedBuffer = nullptr;
NS_WARNING("Couldn't lock graphic buffer");
return false;
}
return BufferTextureClient::Lock(aMode);
}
void
GrallocTextureClientOGL::Unlock()
{
BufferTextureClient::Unlock();
mDrawTarget = nullptr;
if (mMappedBuffer) {
mMappedBuffer = nullptr;
mGraphicBuffer->unlock();
}
}
uint8_t*
GrallocTextureClientOGL::GetBuffer() const
{
MOZ_ASSERT(IsValid());
NS_WARN_IF_FALSE(mMappedBuffer, "Trying to get a gralloc buffer without getting the lock?");
return mMappedBuffer;
}
static gfx::SurfaceFormat
SurfaceFormatForPixelFormat(android::PixelFormat aFormat)
{
switch (aFormat) {
case PIXEL_FORMAT_RGBA_8888:
return gfx::SurfaceFormat::R8G8B8A8;
case PIXEL_FORMAT_BGRA_8888:
return gfx::SurfaceFormat::B8G8R8A8;
case PIXEL_FORMAT_RGBX_8888:
return gfx::SurfaceFormat::R8G8B8X8;
case PIXEL_FORMAT_RGB_565:
return gfx::SurfaceFormat::R5G6B5;
case HAL_PIXEL_FORMAT_YV12:
return gfx::SurfaceFormat::YUV;
default:
MOZ_CRASH("Unknown gralloc pixel format");
}
return gfx::SurfaceFormat::R8G8B8A8;
}
gfx::DrawTarget*
GrallocTextureClientOGL::BorrowDrawTarget()
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(mMappedBuffer, "Calling TextureClient::BorrowDrawTarget without locking :(");
if (!IsValid() || !IsAllocated() || !mMappedBuffer) {
return nullptr;
}
if (mDrawTarget) {
return mDrawTarget;
}
gfx::SurfaceFormat format = SurfaceFormatForPixelFormat(mGraphicBuffer->getPixelFormat());
long pixelStride = mGraphicBuffer->getStride();
long byteStride = pixelStride * BytesPerPixel(format);
mDrawTarget = gfxPlatform::GetPlatform()->CreateDrawTargetForData(GetBuffer(),
mSize,
byteStride,
mFormat);
return mDrawTarget;
}
void
GrallocTextureClientOGL::UpdateFromSurface(gfx::SourceSurface* aSurface)
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(mMappedBuffer, "Calling TextureClient::BorrowDrawTarget without locking :(");
if (!IsValid() || !IsAllocated() || !mMappedBuffer) {
return;
}
RefPtr<DataSourceSurface> srcSurf = aSurface->GetDataSurface();
if (!srcSurf) {
gfxCriticalError() << "Failed to GetDataSurface in UpdateFromSurface.";
return;
}
gfx::SurfaceFormat format = SurfaceFormatForPixelFormat(mGraphicBuffer->getPixelFormat());
if (mSize != srcSurf->GetSize() || mFormat != srcSurf->GetFormat()) {
gfxCriticalError() << "Attempt to update texture client from a surface with a different size or format! This: " << mSize << " " << format << " Other: " << srcSurf->GetSize() << " " << srcSurf->GetFormat();
return;
}
long pixelStride = mGraphicBuffer->getStride();
long byteStride = pixelStride * BytesPerPixel(format);
DataSourceSurface::MappedSurface sourceMap;
if (!srcSurf->Map(DataSourceSurface::READ, &sourceMap)) {
gfxCriticalError() << "Failed to map source surface for UpdateFromSurface.";
return;
}
uint8_t* buffer = GetBuffer();
for (int y = 0; y < srcSurf->GetSize().height; y++) {
memcpy(buffer + byteStride * y,
sourceMap.mData + sourceMap.mStride * y,
srcSurf->GetSize().width * BytesPerPixel(srcSurf->GetFormat()));
}
srcSurf->Unmap();
}
bool
GrallocTextureClientOGL::AllocateForSurface(gfx::IntSize aSize,
TextureAllocationFlags)
{
MOZ_ASSERT(IsValid());
uint32_t format;
uint32_t usage = android::GraphicBuffer::USAGE_SW_READ_OFTEN |
android::GraphicBuffer::USAGE_SW_WRITE_OFTEN |
android::GraphicBuffer::USAGE_HW_TEXTURE;
switch (mFormat) {
case gfx::SurfaceFormat::R8G8B8A8:
format = android::PIXEL_FORMAT_RGBA_8888;
break;
case gfx::SurfaceFormat::B8G8R8A8:
format = android::PIXEL_FORMAT_RGBA_8888;
mFlags |= TextureFlags::RB_SWAPPED;
break;
case gfx::SurfaceFormat::R8G8B8X8:
format = android::PIXEL_FORMAT_RGBX_8888;
break;
case gfx::SurfaceFormat::B8G8R8X8:
format = android::PIXEL_FORMAT_RGBX_8888;
mFlags |= TextureFlags::RB_SWAPPED;
break;
case gfx::SurfaceFormat::R5G6B5:
format = android::PIXEL_FORMAT_RGB_565;
break;
case gfx::SurfaceFormat::YUV:
format = HAL_PIXEL_FORMAT_YV12;
break;
case gfx::SurfaceFormat::A8:
NS_WARNING("gralloc does not support gfx::SurfaceFormat::A8");
return false;
default:
NS_WARNING("Unsupported surface format");
return false;
}
return AllocateGralloc(aSize, format, usage);
}
bool
GrallocTextureClientOGL::AllocateForYCbCr(gfx::IntSize aYSize, gfx::IntSize aCbCrSize, StereoMode aStereoMode)
{
MOZ_ASSERT(IsValid());
return AllocateGralloc(aYSize,
HAL_PIXEL_FORMAT_YV12,
android::GraphicBuffer::USAGE_SW_READ_OFTEN);
}
bool
GrallocTextureClientOGL::AllocateForGLRendering(gfx::IntSize aSize)
{
MOZ_ASSERT(IsValid());
uint32_t format;
uint32_t usage = android::GraphicBuffer::USAGE_HW_RENDER |
android::GraphicBuffer::USAGE_HW_TEXTURE;
switch (mFormat) {
case gfx::SurfaceFormat::R8G8B8A8:
case gfx::SurfaceFormat::B8G8R8A8:
format = android::PIXEL_FORMAT_RGBA_8888;
break;
case gfx::SurfaceFormat::R8G8B8X8:
case gfx::SurfaceFormat::B8G8R8X8:
// there is no android BGRX format?
format = android::PIXEL_FORMAT_RGBX_8888;
break;
case gfx::SurfaceFormat::R5G6B5:
format = android::PIXEL_FORMAT_RGB_565;
break;
default:
NS_WARNING("Unsupported surface format");
return false;
}
return AllocateGralloc(aSize, format, usage);
}
bool
GrallocTextureClientOGL::AllocateGralloc(gfx::IntSize aSize,
uint32_t aAndroidFormat,
uint32_t aUsage)
{
MOZ_ASSERT(IsValid());
ISurfaceAllocator* allocator = GetAllocator();
MaybeMagicGrallocBufferHandle handle;
bool allocateResult =
allocator->AllocGrallocBuffer(aSize,
aAndroidFormat,
aUsage,
&handle);
if (!allocateResult) {
return false;
}
sp<GraphicBuffer> graphicBuffer = GetGraphicBufferFrom(handle);
if (!graphicBuffer.get()) {
return false;
}
if (graphicBuffer->initCheck() != NO_ERROR) {
return false;
}
mGrallocHandle = handle;
mGraphicBuffer = graphicBuffer;
mSize = aSize;
return true;
}
bool
GrallocTextureClientOGL::IsAllocated() const
{
return !!mGraphicBuffer.get();
}
bool
GrallocTextureClientOGL::Allocate(uint32_t aSize)
{
// see Bug 908196
MOZ_CRASH("This method should never be called.");
return false;
}
size_t
GrallocTextureClientOGL::GetBufferSize() const
{
// see Bug 908196
MOZ_CRASH("This method should never be called.");
return 0;
}
/*static*/ already_AddRefed<TextureClient>
GrallocTextureClientOGL::FromSharedSurface(gl::SharedSurface* abstractSurf,
TextureFlags flags)
{
auto surf = gl::SharedSurface_Gralloc::Cast(abstractSurf);
RefPtr<TextureClient> ret = surf->GetTextureClient();
TextureFlags mask = TextureFlags::ORIGIN_BOTTOM_LEFT |
TextureFlags::RB_SWAPPED |
TextureFlags::NON_PREMULTIPLIED;
TextureFlags required = flags & mask;
TextureFlags present = ret->GetFlags() & mask;
if (present != required) {
printf_stderr("Present flags: 0x%x. Required: 0x%x.\n",
(uint32_t)present,
(uint32_t)required);
MOZ_CRASH("Flag requirement mismatch.");
}
return ret.forget();
}
} // namesapace layers
} // namesapace mozilla
#endif // MOZ_WIDGET_GONK