tenfourfox/gfx/layers/basic/GrallocTextureHostBasic.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

292 lines
8.1 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 "GrallocTextureHostBasic.h"
#include "GrallocImages.h" // for GetDataSourceSurfaceFrom()
#include "mozilla/layers/SharedBufferManagerParent.h"
#if ANDROID_VERSION >= 17
#include <ui/Fence.h>
#endif
namespace mozilla {
namespace layers {
static gfx::SurfaceFormat
HalFormatToSurfaceFormat(int aHalFormat, TextureFlags aFlags)
{
bool swapRB = bool(aFlags & TextureFlags::RB_SWAPPED);
switch (aHalFormat) {
case android::PIXEL_FORMAT_BGRA_8888:
return swapRB ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8A8;
case android::PIXEL_FORMAT_RGBA_8888:
return swapRB ? gfx::SurfaceFormat::B8G8R8A8 : gfx::SurfaceFormat::R8G8B8A8;
case android::PIXEL_FORMAT_RGBX_8888:
return swapRB ? gfx::SurfaceFormat::B8G8R8X8 : gfx::SurfaceFormat::R8G8B8X8;
case android::PIXEL_FORMAT_RGB_565:
return gfx::SurfaceFormat::R5G6B5_UINT16;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_I:
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_YV12:
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
#endif
// Needs convert to RGB565
return gfx::SurfaceFormat::R5G6B5_UINT16;
default:
if (aHalFormat >= 0x100 && aHalFormat <= 0x1FF) {
// Reserved range for HAL specific formats.
// Needs convert to RGB565
return gfx::SurfaceFormat::R5G6B5_UINT16;
} else {
MOZ_CRASH("GFX: Unhandled HAL pixel format");
return gfx::SurfaceFormat::UNKNOWN; // not reached
}
}
}
static bool
NeedsConvertFromYUVtoRGB565(int aHalFormat)
{
switch (aHalFormat) {
case android::PIXEL_FORMAT_BGRA_8888:
case android::PIXEL_FORMAT_RGBA_8888:
case android::PIXEL_FORMAT_RGBX_8888:
case android::PIXEL_FORMAT_RGB_565:
return false;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_I:
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_YV12:
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
#endif
return true;
default:
if (aHalFormat >= 0x100 && aHalFormat <= 0x1FF) {
// Reserved range for HAL specific formats.
return true;
} else {
MOZ_CRASH("GFX: Unhandled HAL pixel format YUV");
return false; // not reached
}
}
}
GrallocTextureHostBasic::GrallocTextureHostBasic(
TextureFlags aFlags,
const SurfaceDescriptorGralloc& aDescriptor)
: TextureHost(aFlags)
, mGrallocHandle(aDescriptor)
, mSize(0, 0)
, mCropSize(0, 0)
, mFormat(gfx::SurfaceFormat::UNKNOWN)
, mIsOpaque(aDescriptor.isOpaque())
{
android::GraphicBuffer* grallocBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
MOZ_ASSERT(grallocBuffer);
if (grallocBuffer) {
mFormat =
HalFormatToSurfaceFormat(grallocBuffer->getPixelFormat(),
aFlags & TextureFlags::RB_SWAPPED);
mSize = gfx::IntSize(grallocBuffer->getWidth(), grallocBuffer->getHeight());
mCropSize = mSize;
} else {
printf_stderr("gralloc buffer is nullptr\n");
}
}
bool
GrallocTextureHostBasic::Lock()
{
if (!mCompositor || !IsValid()) {
return false;
}
if (mTextureSource) {
return true;
}
android::sp<android::GraphicBuffer> graphicBuffer =
GetGraphicBufferFromDesc(mGrallocHandle);
MOZ_ASSERT(graphicBuffer.get());
RefPtr<gfx::DataSourceSurface> surf;
if (NeedsConvertFromYUVtoRGB565(graphicBuffer->getPixelFormat())) {
PlanarYCbCrData ycbcrData;
surf = GetDataSourceSurfaceFrom(graphicBuffer,
mCropSize,
ycbcrData);
} else {
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN;
int32_t rv = graphicBuffer->lock(usage,
reinterpret_cast<void**>(&mMappedBuffer));
if (rv) {
mMappedBuffer = nullptr;
NS_WARNING("Couldn't lock graphic buffer");
return false;
}
surf = gfx::Factory::CreateWrappingDataSourceSurface(
mMappedBuffer,
graphicBuffer->getStride() * gfx::BytesPerPixel(mFormat),
mCropSize,
mFormat);
}
mTextureSource = mCompositor->CreateDataTextureSource(mFlags);
mTextureSource->Update(surf, nullptr);
return true;
}
bool
GrallocTextureHostBasic::IsValid() const
{
android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
return graphicBuffer != nullptr;
}
bool
GrallocTextureHostBasic::BindTextureSource(CompositableTextureSourceRef& aTexture)
{
aTexture = mTextureSource;
return !!aTexture;
}
void
GrallocTextureHostBasic::UnbindTextureSource()
{
ClearTextureSource();
}
void
GrallocTextureHostBasic::ClearTextureSource()
{
mTextureSource = nullptr;
if (mMappedBuffer) {
android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
MOZ_ASSERT(graphicBuffer);
mMappedBuffer = nullptr;
graphicBuffer->unlock();
}
}
void
GrallocTextureHostBasic::SetCompositor(Compositor* aCompositor)
{
BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);
mCompositor = compositor;
if (mTextureSource) {
mTextureSource->SetCompositor(compositor);
}
}
gfx::SurfaceFormat
GrallocTextureHostBasic::GetFormat() const {
return mFormat;
}
void
GrallocTextureHostBasic::WaitAcquireFenceHandleSyncComplete()
{
if (!mAcquireFenceHandle.IsValid()) {
return;
}
#if ANDROID_VERSION >= 17
RefPtr<FenceHandle::FdObj> fdObj = mAcquireFenceHandle.GetAndResetFdObj();
android::sp<android::Fence> fence(
new android::Fence(fdObj->GetAndResetFd()));
// Wait fece complete with timeout.
// If a source of the fence becomes invalid because of error,
// fene complete is not signaled. See Bug 1061435.
int rv = fence->wait(400 /*400 msec*/);
if (rv != android::OK) {
NS_ERROR("failed to wait fence complete");
}
#endif
}
void
GrallocTextureHostBasic::SetCropRect(nsIntRect aCropRect)
{
MOZ_ASSERT(aCropRect.TopLeft() == gfx::IntPoint(0, 0));
MOZ_ASSERT(!aCropRect.IsEmpty());
MOZ_ASSERT(aCropRect.width <= mSize.width);
MOZ_ASSERT(aCropRect.height <= mSize.height);
gfx::IntSize cropSize(aCropRect.width, aCropRect.height);
if (mCropSize == cropSize) {
return;
}
mCropSize = cropSize;
ClearTextureSource();
}
void
GrallocTextureHostBasic::DeallocateSharedData()
{
ClearTextureSource();
if (mGrallocHandle.buffer().type() != MaybeMagicGrallocBufferHandle::Tnull_t) {
MaybeMagicGrallocBufferHandle handle = mGrallocHandle.buffer();
base::ProcessId owner;
if (handle.type() == MaybeMagicGrallocBufferHandle::TGrallocBufferRef) {
owner = handle.get_GrallocBufferRef().mOwner;
}
else {
owner = handle.get_MagicGrallocBufferHandle().mRef.mOwner;
}
SharedBufferManagerParent::DropGrallocBuffer(owner, mGrallocHandle);
}
}
void
GrallocTextureHostBasic::ForgetSharedData()
{
ClearTextureSource();
}
void
GrallocTextureHostBasic::DeallocateDeviceData()
{
ClearTextureSource();
}
LayerRenderState
GrallocTextureHostBasic::GetRenderState()
{
android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
if (graphicBuffer) {
LayerRenderStateFlags flags = LayerRenderStateFlags::LAYER_RENDER_STATE_DEFAULT;
if (mIsOpaque) {
flags |= LayerRenderStateFlags::OPAQUE;
}
if (mFlags & TextureFlags::ORIGIN_BOTTOM_LEFT) {
flags |= LayerRenderStateFlags::ORIGIN_BOTTOM_LEFT;
}
if (mFlags & TextureFlags::RB_SWAPPED) {
flags |= LayerRenderStateFlags::FORMAT_RB_SWAP;
}
return LayerRenderState(graphicBuffer,
mCropSize,
flags,
this);
}
return LayerRenderState();
}
} // namespace layers
} // namespace mozilla