зеркало из https://github.com/mozilla/gecko-dev.git
145 строки
4.3 KiB
C++
145 строки
4.3 KiB
C++
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/* vim:set ts=2 sw=2 sts=2 et: */
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/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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#include "gtest/gtest.h"
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#include "gmock/gmock.h"
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#include "mozilla/layers/TextureClient.h"
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#include "mozilla/layers/TextureHost.h"
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#include "gfx2DGlue.h"
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#include "gfxImageSurface.h"
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#include "gfxTypes.h"
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using namespace gfx;
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using namespace mozilla;
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using namespace mozilla::layers;
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/*
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* This test performs the following actions:
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* - creates a surface
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* - initialize a texture client with it
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* - serilaizes the texture client
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* - deserializes the data into a texture host
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* - reads the surface from the texture host.
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*
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* The surface in the end should be equal to the inital one.
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* This test is run for different combinations of texture types and
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* image formats.
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*/
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// fills the surface with values betwee 0 and 100.
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void SetupSurface(gfxImageSurface* surface) {
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int bpp = gfxASurface::BytePerPixelFromFormat(surface->Format());
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int stride = surface->Stride();
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uint8_t val = 0;
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uint8_t* data = surface->Data();
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for (int y = 0; y < surface->Height(); ++y) {
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for (int x = 0; x < surface->Height(); ++x) {
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for (int b = 0; b < bpp; ++b) {
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data[y*stride + x*bpp + b] = val;
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if (val == 100) {
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val = 0;
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} else {
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++val;
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}
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}
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}
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}
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}
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// return true if two surfaces contain the same data
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void AssertSurfacesEqual(gfxImageSurface* surface1,
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gfxImageSurface* surface2)
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{
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ASSERT_EQ(surface1->GetSize(), surface2->GetSize());
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ASSERT_EQ(surface1->Format(), surface2->Format());
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uint8_t* data1 = surface1->Data();
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uint8_t* data2 = surface2->Data();
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int stride1 = surface1->Stride();
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int stride2 = surface2->Stride();
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int bpp = gfxASurface::BytePerPixelFromFormat(surface1->Format());
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for (int y = 0; y < surface1->Height(); ++y) {
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for (int x = 0; x < surface1->Width(); ++x) {
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for (int b = 0; b < bpp; ++b) {
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ASSERT_EQ(data1[y*stride1 + x*bpp + b],
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data2[y*stride2 + x*bpp + b]);
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}
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}
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}
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}
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// Run the test for a texture client and a surface
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void TestTextureClientSurface(TextureClient* texture, gfxImageSurface* surface) {
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// client allocation
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ASSERT_TRUE(texture->AsTextureClientSurface() != nullptr);
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TextureClientSurface* client = texture->AsTextureClientSurface();
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client->AllocateForSurface(ToIntSize(surface->GetSize()));
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ASSERT_TRUE(texture->IsAllocated());
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// client painting
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client->UpdateSurface(surface);
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nsRefPtr<gfxASurface> aSurface = client->GetAsSurface();
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nsRefPtr<gfxImageSurface> clientSurface = aSurface->GetAsImageSurface();
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ASSERT_TRUE(texture->Lock(OPEN_READ_ONLY));
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AssertSurfacesEqual(surface, clientSurface);
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texture->Unlock();
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// client serialization
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texture->SetID(1);
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SurfaceDescriptor descriptor;
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ASSERT_TRUE(texture->ToSurfaceDescriptor(descriptor));
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ASSERT_NE(descriptor.type(), SurfaceDescriptor::Tnull_t);
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// host deserialization
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RefPtr<TextureHost> host = CreateBackendIndependentTextureHost(texture->GetID(),
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descriptor, nullptr,
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texture->GetFlags());
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ASSERT_TRUE(host.get() != nullptr);
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ASSERT_EQ(host->GetFlags(), texture->GetFlags());
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ASSERT_EQ(host->GetID(), texture->GetID());
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// host read
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ASSERT_TRUE(host->Lock());
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nsRefPtr<gfxImageSurface> hostSurface = host->GetAsSurface();
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host->Unlock();
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AssertSurfacesEqual(surface, hostSurface.get());
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// host deallocation
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host->DeallocateSharedData();
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}
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TEST(Layers, TextureSerialization) {
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// the test is run on all the following image formats
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gfxImageFormat formats[3] = {
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gfxImageFormatARGB32,
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gfxImageFormatRGB24,
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gfxImageFormatA8,
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};
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for (int f = 0; f < 3; ++f) {
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RefPtr<gfxImageSurface> surface = new gfxImageSurface(gfxIntSize(400,300), formats[f]);
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SetupSurface(surface.get());
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AssertSurfacesEqual(surface, surface);
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RefPtr<TextureClient> client
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= new MemoryTextureClient(nullptr,
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mozilla::gfx::ImageFormatToSurfaceFormat(surface->Format()),
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TEXTURE_FLAGS_DEFAULT);
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TestTextureClientSurface(client, surface);
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// XXX - Test more texture client types.
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}
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}
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