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