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/* vim:set ts=2 sw=2 sts=2 et: */
/* Any copyright is dedicated to the Public Domain.
*/
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Tools.h"
#include "mozilla/layers/BufferTexture.h"
#include "mozilla/layers/ImageBridgeChild.h" // for ImageBridgeChild
#include "mozilla/layers/TextureClient.h"
#include "mozilla/layers/TextureHost.h"
#include "mozilla/RefPtr.h"
#include "gfx2DGlue.h"
#include "gfxImageSurface.h"
#include "gfxPlatform.h"
#include "gfxTypes.h"
#include "ImageContainer.h"
#include "mozilla/layers/ImageDataSerializer.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::layers;
/*
* This test performs the following actions:
* - creates a surface
* - initialize a texture client with it
* - serilaizes the texture client
* - deserializes the data into a texture host
* - reads the surface from the texture host.
*
* The surface in the end should be equal to the inital one.
* This test is run for different combinations of texture types and
* image formats.
*/
namespace mozilla {
namespace layers {
class TestSurfaceAllocator final : public ISurfaceAllocator {
public:
TestSurfaceAllocator() = default;
virtual ~TestSurfaceAllocator() = default;
bool IsSameProcess() const override { return true; }
};
// fills the surface with values betwee 0 and 100.
static void SetupSurface(gfxImageSurface* surface) {
int bpp = gfxASurface::BytePerPixelFromFormat(surface->Format());
int stride = surface->Stride();
uint8_t val = 0;
uint8_t* data = surface->Data();
for (int y = 0; y < surface->Height(); ++y) {
for (int x = 0; x < surface->Height(); ++x) {
for (int b = 0; b < bpp; ++b) {
data[y * stride + x * bpp + b] = val;
if (val == 100) {
val = 0;
} else {
++val;
}
}
}
}
}
// return true if two surfaces contain the same data
static void AssertSurfacesEqual(gfxImageSurface* surface1,
gfxImageSurface* surface2) {
ASSERT_EQ(surface1->GetSize(), surface2->GetSize());
ASSERT_EQ(surface1->Format(), surface2->Format());
uint8_t* data1 = surface1->Data();
uint8_t* data2 = surface2->Data();
int stride1 = surface1->Stride();
int stride2 = surface2->Stride();
int bpp = gfxASurface::BytePerPixelFromFormat(surface1->Format());
for (int y = 0; y < surface1->Height(); ++y) {
for (int x = 0; x < surface1->Width(); ++x) {
for (int b = 0; b < bpp; ++b) {
ASSERT_EQ(data1[y * stride1 + x * bpp + b],
data2[y * stride2 + x * bpp + b]);
}
}
}
}
static void AssertSurfacesEqual(SourceSurface* surface1,
SourceSurface* surface2) {
ASSERT_EQ(surface1->GetSize(), surface2->GetSize());
ASSERT_EQ(surface1->GetFormat(), surface2->GetFormat());
RefPtr<DataSourceSurface> dataSurface1 = surface1->GetDataSurface();
RefPtr<DataSourceSurface> dataSurface2 = surface2->GetDataSurface();
DataSourceSurface::MappedSurface map1;
DataSourceSurface::MappedSurface map2;
if (!dataSurface1->Map(DataSourceSurface::READ, &map1)) {
return;
}
if (!dataSurface2->Map(DataSourceSurface::READ, &map2)) {
dataSurface1->Unmap();
return;
}
uint8_t* data1 = map1.mData;
uint8_t* data2 = map2.mData;
int stride1 = map1.mStride;
int stride2 = map2.mStride;
int bpp = BytesPerPixel(surface1->GetFormat());
int width = surface1->GetSize().width;
int height = surface1->GetSize().height;
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
for (int b = 0; b < bpp; ++b) {
ASSERT_EQ(data1[y * stride1 + x * bpp + b],
data2[y * stride2 + x * bpp + b]);
}
}
}
dataSurface1->Unmap();
dataSurface2->Unmap();
}
// Run the test for a texture client and a surface
void TestTextureClientSurface(TextureClient* texture,
gfxImageSurface* surface) {
// client allocation
ASSERT_TRUE(texture->CanExposeDrawTarget());
ASSERT_TRUE(texture->Lock(OpenMode::OPEN_READ_WRITE));
// client painting
RefPtr<DrawTarget> dt = texture->BorrowDrawTarget();
RefPtr<SourceSurface> source =
gfxPlatform::GetPlatform()->GetSourceSurfaceForSurface(dt, surface);
dt->CopySurface(source, IntRect(IntPoint(), source->GetSize()), IntPoint());
RefPtr<SourceSurface> snapshot = dt->Snapshot();
AssertSurfacesEqual(snapshot, source);
dt = nullptr; // drop reference before calling Unlock()
texture->Unlock();
// client serialization
SurfaceDescriptor descriptor;
ASSERT_TRUE(texture->ToSurfaceDescriptor(descriptor));
ASSERT_NE(descriptor.type(), SurfaceDescriptor::Tnull_t);
// host deserialization
RefPtr<TestSurfaceAllocator> deallocator = new TestSurfaceAllocator();
RefPtr<TextureHost> host = CreateBackendIndependentTextureHost(
descriptor, deallocator, LayersBackend::LAYERS_NONE, texture->GetFlags());
ASSERT_TRUE(host.get() != nullptr);
ASSERT_EQ(host->GetFlags(), texture->GetFlags());
}
// Same as above, for YCbCr surfaces
void TestTextureClientYCbCr(TextureClient* client, PlanarYCbCrData& ycbcrData) {
client->Lock(OpenMode::OPEN_READ_WRITE);
UpdateYCbCrTextureClient(client, ycbcrData);
client->Unlock();
// client serialization
SurfaceDescriptor descriptor;
ASSERT_TRUE(client->ToSurfaceDescriptor(descriptor));
ASSERT_EQ(descriptor.type(), SurfaceDescriptor::TSurfaceDescriptorBuffer);
auto bufferDesc = descriptor.get_SurfaceDescriptorBuffer();
ASSERT_EQ(bufferDesc.desc().type(), BufferDescriptor::TYCbCrDescriptor);
auto ycbcrDesc = bufferDesc.desc().get_YCbCrDescriptor();
ASSERT_EQ(ycbcrDesc.ySize(), ycbcrData.YDataSize());
ASSERT_EQ(ycbcrDesc.cbCrSize(), ycbcrData.CbCrDataSize());
ASSERT_EQ(ycbcrDesc.stereoMode(), ycbcrData.mStereoMode);
// host deserialization
RefPtr<TestSurfaceAllocator> deallocator = new TestSurfaceAllocator();
RefPtr<TextureHost> textureHost = CreateBackendIndependentTextureHost(
descriptor, deallocator, LayersBackend::LAYERS_NONE, client->GetFlags());
RefPtr<BufferTextureHost> host =
static_cast<BufferTextureHost*>(textureHost.get());
ASSERT_TRUE(host.get() != nullptr);
ASSERT_EQ(host->GetFlags(), client->GetFlags());
}
} // namespace layers
} // namespace mozilla
TEST(Layers, TextureSerialization)
{
// the test is run on all the following image formats
gfxImageFormat formats[3] = {
SurfaceFormat::A8R8G8B8_UINT32,
SurfaceFormat::X8R8G8B8_UINT32,
SurfaceFormat::A8,
};
for (int f = 0; f < 3; ++f) {
RefPtr<gfxImageSurface> surface =
new gfxImageSurface(IntSize(400, 300), formats[f]);
SetupSurface(surface.get());
AssertSurfacesEqual(surface, surface);
auto texData = BufferTextureData::Create(
surface->GetSize(), gfx::ImageFormatToSurfaceFormat(surface->Format()),
gfx::BackendType::CAIRO, LayersBackend::LAYERS_NONE,
TextureFlags::DEALLOCATE_CLIENT, ALLOC_DEFAULT, nullptr);
ASSERT_TRUE(!!texData);
RefPtr<TextureClient> client =
new TextureClient(texData, TextureFlags::DEALLOCATE_CLIENT, nullptr);
TestTextureClientSurface(client, surface);
// XXX - Test more texture client types.
}
}
TEST(Layers, TextureYCbCrSerialization)
{
RefPtr<gfxImageSurface> ySurface =
new gfxImageSurface(IntSize(400, 300), SurfaceFormat::A8);
RefPtr<gfxImageSurface> cbSurface =
new gfxImageSurface(IntSize(200, 150), SurfaceFormat::A8);
RefPtr<gfxImageSurface> crSurface =
new gfxImageSurface(IntSize(200, 150), SurfaceFormat::A8);
SetupSurface(ySurface.get());
SetupSurface(cbSurface.get());
SetupSurface(crSurface.get());
PlanarYCbCrData clientData;
clientData.mYChannel = ySurface->Data();
clientData.mCbChannel = cbSurface->Data();
clientData.mCrChannel = crSurface->Data();
clientData.mPictureRect = IntRect(IntPoint(0, 0), ySurface->GetSize());
clientData.mYStride = ySurface->Stride();
clientData.mCbCrStride = cbSurface->Stride();
clientData.mStereoMode = StereoMode::MONO;
clientData.mYUVColorSpace = YUVColorSpace::BT601;
clientData.mColorDepth = ColorDepth::COLOR_8;
clientData.mChromaSubsampling = ChromaSubsampling::HALF_WIDTH_AND_HEIGHT;
clientData.mYSkip = 0;
clientData.mCbSkip = 0;
clientData.mCrSkip = 0;
clientData.mCrSkip = 0;
uint32_t namespaceId = 1;
ImageBridgeChild::InitSameProcess(namespaceId);
RefPtr<ImageBridgeChild> imageBridge = ImageBridgeChild::GetSingleton();
static int retry = 5;
while (!imageBridge->IPCOpen() && retry) {
// IPDL connection takes time especially in slow testing environment, like
// VM machines. Here we added retry mechanism to wait for IPDL connnection.
#ifdef XP_WIN
Sleep(1);
#else
sleep(1);
#endif
retry--;
}
// Skip this testing if IPDL connection is not ready
if (!retry && !imageBridge->IPCOpen()) {
return;
}
RefPtr<TextureClient> client = TextureClient::CreateForYCbCr(
imageBridge, clientData.mPictureRect, clientData.YDataSize(),
clientData.mYStride, clientData.CbCrDataSize(), clientData.mCbCrStride,
StereoMode::MONO, ColorDepth::COLOR_8, YUVColorSpace::BT601,
ColorRange::LIMITED, clientData.mChromaSubsampling,
TextureFlags::DEALLOCATE_CLIENT);
TestTextureClientYCbCr(client, clientData);
// XXX - Test more texture client types.
}