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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "RenderBufferTextureHostSWGL.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/ImageDataSerializer.h"
namespace mozilla {
namespace wr {
RenderBufferTextureHostSWGL::RenderBufferTextureHostSWGL(
uint8_t* aBuffer, const layers::BufferDescriptor& aDescriptor)
: mBuffer(aBuffer), mDescriptor(aDescriptor) {
MOZ_COUNT_CTOR_INHERITED(RenderBufferTextureHostSWGL, RenderTextureHostSWGL);
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor:
case layers::BufferDescriptor::TRGBDescriptor:
break;
default:
gfxCriticalError() << "Bad buffer host descriptor "
<< (int)mDescriptor.type();
MOZ_CRASH("GFX: Bad descriptor");
}
}
RenderBufferTextureHostSWGL::~RenderBufferTextureHostSWGL() {
MOZ_COUNT_DTOR_INHERITED(RenderBufferTextureHostSWGL, RenderTextureHostSWGL);
}
size_t RenderBufferTextureHostSWGL::GetPlaneCount() const {
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor:
return 3;
default:
return 1;
}
}
gfx::SurfaceFormat RenderBufferTextureHostSWGL::GetFormat() const {
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor:
return gfx::SurfaceFormat::YUV;
default:
return mDescriptor.get_RGBDescriptor().format();
}
}
gfx::ColorDepth RenderBufferTextureHostSWGL::GetColorDepth() const {
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor:
return mDescriptor.get_YCbCrDescriptor().colorDepth();
default:
return gfx::ColorDepth::COLOR_8;
}
}
gfx::YUVColorSpace RenderBufferTextureHostSWGL::GetYUVColorSpace() const {
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor:
return mDescriptor.get_YCbCrDescriptor().yUVColorSpace();
default:
return gfx::YUVColorSpace::UNKNOWN;
}
}
bool RenderBufferTextureHostSWGL::MapPlane(RenderCompositor* aCompositor,
uint8_t aChannelIndex,
PlaneInfo& aPlaneInfo) {
if (!mBuffer) {
// We hit some problems to get the shmem.
gfxCriticalNote << "GetBuffer Failed";
return false;
}
switch (mDescriptor.type()) {
case layers::BufferDescriptor::TYCbCrDescriptor: {
const layers::YCbCrDescriptor& desc = mDescriptor.get_YCbCrDescriptor();
switch (aChannelIndex) {
case 0:
aPlaneInfo.mData =
layers::ImageDataSerializer::GetYChannel(mBuffer, desc);
aPlaneInfo.mStride = desc.yStride();
aPlaneInfo.mSize = desc.ySize();
break;
case 1:
aPlaneInfo.mData =
layers::ImageDataSerializer::GetCbChannel(mBuffer, desc);
aPlaneInfo.mStride = desc.cbCrStride();
aPlaneInfo.mSize = desc.cbCrSize();
break;
case 2:
aPlaneInfo.mData =
layers::ImageDataSerializer::GetCrChannel(mBuffer, desc);
aPlaneInfo.mStride = desc.cbCrStride();
aPlaneInfo.mSize = desc.cbCrSize();
break;
}
break;
}
default: {
const layers::RGBDescriptor& desc = mDescriptor.get_RGBDescriptor();
aPlaneInfo.mData = mBuffer;
aPlaneInfo.mStride = layers::ImageDataSerializer::GetRGBStride(desc);
aPlaneInfo.mSize = desc.size();
break;
}
}
return true;
}
void RenderBufferTextureHostSWGL::UnmapPlanes() {}
} // namespace wr
} // namespace mozilla
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