mirror of
https://github.com/mozilla/gecko-dev.git
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338 lines
9.1 KiB
C++
338 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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// * This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifdef MOZ_WIDGET_GONK
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#include "mozilla/gfx/2D.h"
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#include "mozilla/layers/AsyncTransactionTracker.h" // for AsyncTransactionTracker
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#include "mozilla/layers/GrallocTextureClient.h"
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/ISurfaceAllocator.h"
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#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
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#include "gfx2DGlue.h"
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namespace mozilla {
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namespace layers {
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using namespace mozilla::gfx;
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using namespace android;
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GrallocTextureClientOGL::GrallocTextureClientOGL(MaybeMagicGrallocBufferHandle buffer,
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gfx::IntSize aSize,
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gfx::BackendType aMoz2dBackend,
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TextureFlags aFlags)
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: BufferTextureClient(nullptr, gfx::SurfaceFormat::UNKNOWN, aMoz2dBackend, aFlags)
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, mGrallocHandle(buffer)
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, mMappedBuffer(nullptr)
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, mMediaBuffer(nullptr)
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{
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InitWith(buffer, aSize);
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MOZ_COUNT_CTOR(GrallocTextureClientOGL);
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}
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GrallocTextureClientOGL::GrallocTextureClientOGL(ISurfaceAllocator* aAllocator,
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gfx::SurfaceFormat aFormat,
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gfx::BackendType aMoz2dBackend,
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TextureFlags aFlags)
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: BufferTextureClient(aAllocator, aFormat, aMoz2dBackend, aFlags)
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, mGrallocHandle(null_t())
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, mMappedBuffer(nullptr)
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, mMediaBuffer(nullptr)
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{
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MOZ_COUNT_CTOR(GrallocTextureClientOGL);
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}
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GrallocTextureClientOGL::~GrallocTextureClientOGL()
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{
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MOZ_COUNT_DTOR(GrallocTextureClientOGL);
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ISurfaceAllocator* allocator = GetAllocator();
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if (ShouldDeallocateInDestructor()) {
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allocator->DeallocGrallocBuffer(&mGrallocHandle);
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} else {
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allocator->DropGrallocBuffer(&mGrallocHandle);
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}
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}
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void
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GrallocTextureClientOGL::InitWith(MaybeMagicGrallocBufferHandle aHandle, gfx::IntSize aSize)
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{
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MOZ_ASSERT(!IsAllocated());
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MOZ_ASSERT(IsValid());
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mGrallocHandle = aHandle;
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mGraphicBuffer = GetGraphicBufferFrom(aHandle);
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mSize = aSize;
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}
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bool
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GrallocTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
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{
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MOZ_ASSERT(IsValid());
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if (!IsAllocated()) {
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return false;
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}
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aOutDescriptor = NewSurfaceDescriptorGralloc(mGrallocHandle, mSize);
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return true;
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}
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void
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GrallocTextureClientOGL::SetRemoveFromCompositableTracker(AsyncTransactionTracker* aTracker)
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{
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mRemoveFromCompositableTracker = aTracker;
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}
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void
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GrallocTextureClientOGL::WaitForBufferOwnership()
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{
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if (mRemoveFromCompositableTracker) {
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mRemoveFromCompositableTracker->WaitComplete();
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mRemoveFromCompositableTracker = nullptr;
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}
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#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
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if (mReleaseFenceHandle.IsValid()) {
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android::sp<Fence> fence = mReleaseFenceHandle.mFence;
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#if ANDROID_VERSION == 17
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fence->waitForever(1000, "GrallocTextureClientOGL::Lock");
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// 1000 is what Android uses. It is warning timeout ms.
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// This timeous is removed since ANDROID_VERSION 18.
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#else
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fence->waitForever("GrallocTextureClientOGL::Lock");
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#endif
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mReleaseFenceHandle = FenceHandle();
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}
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#endif
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}
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bool
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GrallocTextureClientOGL::Lock(OpenMode aMode)
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{
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MOZ_ASSERT(IsValid());
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if (!IsValid() || !IsAllocated()) {
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return false;
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}
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if (mMappedBuffer) {
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return true;
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}
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WaitForBufferOwnership();
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uint32_t usage = 0;
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if (aMode & OpenMode::OPEN_READ) {
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usage |= GRALLOC_USAGE_SW_READ_OFTEN;
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}
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if (aMode & OpenMode::OPEN_WRITE) {
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usage |= GRALLOC_USAGE_SW_WRITE_OFTEN;
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}
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int32_t rv = mGraphicBuffer->lock(usage, reinterpret_cast<void**>(&mMappedBuffer));
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if (rv) {
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mMappedBuffer = nullptr;
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NS_WARNING("Couldn't lock graphic buffer");
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return false;
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}
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return BufferTextureClient::Lock(aMode);
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}
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void
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GrallocTextureClientOGL::Unlock()
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{
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BufferTextureClient::Unlock();
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mDrawTarget = nullptr;
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if (mMappedBuffer) {
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mMappedBuffer = nullptr;
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mGraphicBuffer->unlock();
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}
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}
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uint8_t*
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GrallocTextureClientOGL::GetBuffer() const
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{
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MOZ_ASSERT(IsValid());
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NS_WARN_IF_FALSE(mMappedBuffer, "Trying to get a gralloc buffer without getting the lock?");
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return mMappedBuffer;
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}
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static gfx::SurfaceFormat
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SurfaceFormatForPixelFormat(android::PixelFormat aFormat)
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{
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switch (aFormat) {
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case PIXEL_FORMAT_RGBA_8888:
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return gfx::SurfaceFormat::R8G8B8A8;
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case PIXEL_FORMAT_BGRA_8888:
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return gfx::SurfaceFormat::B8G8R8A8;
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case PIXEL_FORMAT_RGBX_8888:
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return gfx::SurfaceFormat::R8G8B8X8;
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case PIXEL_FORMAT_RGB_565:
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return gfx::SurfaceFormat::R5G6B5;
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default:
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MOZ_CRASH("Unknown gralloc pixel format");
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}
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return gfx::SurfaceFormat::R8G8B8A8;
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}
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gfx::DrawTarget*
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GrallocTextureClientOGL::BorrowDrawTarget()
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{
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MOZ_ASSERT(IsValid());
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MOZ_ASSERT(mMappedBuffer, "Calling TextureClient::BorrowDrawTarget without locking :(");
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if (!IsValid() || !IsAllocated()) {
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return nullptr;
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}
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if (mDrawTarget) {
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return mDrawTarget;
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}
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gfx::SurfaceFormat format = SurfaceFormatForPixelFormat(mGraphicBuffer->getPixelFormat());
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long pixelStride = mGraphicBuffer->getStride();
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long byteStride = pixelStride * BytesPerPixel(format);
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mDrawTarget = gfxPlatform::GetPlatform()->CreateDrawTargetForData(GetBuffer(),
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mSize,
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byteStride,
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mFormat);
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return mDrawTarget;
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}
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bool
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GrallocTextureClientOGL::AllocateForSurface(gfx::IntSize aSize,
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TextureAllocationFlags)
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{
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MOZ_ASSERT(IsValid());
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uint32_t format;
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uint32_t usage = android::GraphicBuffer::USAGE_SW_READ_OFTEN |
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android::GraphicBuffer::USAGE_SW_WRITE_OFTEN |
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android::GraphicBuffer::USAGE_HW_TEXTURE;
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switch (mFormat) {
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case gfx::SurfaceFormat::R8G8B8A8:
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format = android::PIXEL_FORMAT_RGBA_8888;
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break;
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case gfx::SurfaceFormat::B8G8R8A8:
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format = android::PIXEL_FORMAT_RGBA_8888;
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mFlags |= TextureFlags::RB_SWAPPED;
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break;
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case gfx::SurfaceFormat::R8G8B8X8:
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format = android::PIXEL_FORMAT_RGBX_8888;
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break;
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case gfx::SurfaceFormat::B8G8R8X8:
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format = android::PIXEL_FORMAT_RGBX_8888;
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mFlags |= TextureFlags::RB_SWAPPED;
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break;
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case gfx::SurfaceFormat::R5G6B5:
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format = android::PIXEL_FORMAT_RGB_565;
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break;
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case gfx::SurfaceFormat::A8:
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NS_WARNING("gralloc does not support gfx::SurfaceFormat::A8");
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return false;
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default:
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NS_WARNING("Unsupported surface format");
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return false;
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}
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return AllocateGralloc(aSize, format, usage);
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}
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bool
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GrallocTextureClientOGL::AllocateForYCbCr(gfx::IntSize aYSize, gfx::IntSize aCbCrSize, StereoMode aStereoMode)
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{
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MOZ_ASSERT(IsValid());
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return AllocateGralloc(aYSize,
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HAL_PIXEL_FORMAT_YV12,
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android::GraphicBuffer::USAGE_SW_READ_OFTEN);
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}
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bool
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GrallocTextureClientOGL::AllocateForGLRendering(gfx::IntSize aSize)
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{
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MOZ_ASSERT(IsValid());
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uint32_t format;
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uint32_t usage = android::GraphicBuffer::USAGE_HW_RENDER |
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android::GraphicBuffer::USAGE_HW_TEXTURE;
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switch (mFormat) {
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case gfx::SurfaceFormat::R8G8B8A8:
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case gfx::SurfaceFormat::B8G8R8A8:
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format = android::PIXEL_FORMAT_RGBA_8888;
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break;
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case gfx::SurfaceFormat::R8G8B8X8:
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case gfx::SurfaceFormat::B8G8R8X8:
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// there is no android BGRX format?
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format = android::PIXEL_FORMAT_RGBX_8888;
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break;
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case gfx::SurfaceFormat::R5G6B5:
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format = android::PIXEL_FORMAT_RGB_565;
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break;
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default:
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NS_WARNING("Unsupported surface format");
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return false;
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}
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return AllocateGralloc(aSize, format, usage);
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}
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bool
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GrallocTextureClientOGL::AllocateGralloc(gfx::IntSize aSize,
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uint32_t aAndroidFormat,
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uint32_t aUsage)
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{
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MOZ_ASSERT(IsValid());
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ISurfaceAllocator* allocator = GetAllocator();
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MaybeMagicGrallocBufferHandle handle;
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bool allocateResult =
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allocator->AllocGrallocBuffer(aSize,
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aAndroidFormat,
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aUsage,
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&handle);
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if (!allocateResult) {
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return false;
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}
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sp<GraphicBuffer> graphicBuffer = GetGraphicBufferFrom(handle);
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if (!graphicBuffer.get()) {
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return false;
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}
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if (graphicBuffer->initCheck() != NO_ERROR) {
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return false;
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}
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mGrallocHandle = handle;
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mGraphicBuffer = graphicBuffer;
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mSize = aSize;
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return true;
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}
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bool
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GrallocTextureClientOGL::IsAllocated() const
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{
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return !!mGraphicBuffer.get();
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}
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bool
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GrallocTextureClientOGL::Allocate(uint32_t aSize)
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{
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// see Bug 908196
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MOZ_CRASH("This method should never be called.");
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return false;
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}
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size_t
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GrallocTextureClientOGL::GetBufferSize() const
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{
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// see Bug 908196
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MOZ_CRASH("This method should never be called.");
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return 0;
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}
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} // namesapace layers
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} // namesapace mozilla
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#endif // MOZ_WIDGET_GONK
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