gecko-dev/gfx/tests/gtest/TestTextureCompatibility.cpp

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4.1 KiB
C++

/* -*- 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 "gfxConfig.h"
#include "gfxPlatform.h"
#include "gtest/gtest.h"
#include "MockWidget.h"
#include "mozilla/layers/BasicCompositor.h"
#include "mozilla/layers/Compositor.h"
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/layers/TextureClient.h"
#include "mozilla/layers/TextureHost.h"
#include "mozilla/RefPtr.h"
#include "TestLayers.h"
#include "TextureHelper.h"
using mozilla::gfx::Feature;
using mozilla::gfx::gfxConfig;
using mozilla::layers::BasicCompositor;
using mozilla::layers::Compositor;
using mozilla::layers::CompositorOptions;
using mozilla::layers::ISurfaceAllocator;
using mozilla::layers::LayersBackend;
using mozilla::layers::TestSurfaceAllocator;
using mozilla::layers::TextureClient;
using mozilla::layers::TextureHost;
using mozilla::widget::CompositorWidget;
using mozilla::widget::InProcessCompositorWidget;
/**
* This function will create the possible TextureClient and TextureHost pairs
* according to the given backend.
*/
static void CreateTextureWithBackend(
LayersBackend& aLayersBackend, ISurfaceAllocator* aDeallocator,
nsTArray<RefPtr<TextureClient>>& aTextureClients,
nsTArray<RefPtr<TextureHost>>& aTextureHosts) {
aTextureClients.AppendElement(CreateTextureClientWithBackend(aLayersBackend));
aTextureClients.AppendElement(
CreateYCbCrTextureClientWithBackend(aLayersBackend));
for (uint32_t i = 0; i < aTextureClients.Length(); i++) {
aTextureHosts.AppendElement(CreateTextureHostWithBackend(
aTextureClients[i], aDeallocator, aLayersBackend));
}
}
/**
* This will return the default list of backends that units test should run
* against.
*/
static void GetPlatformBackends(nsTArray<LayersBackend>& aBackends) {
gfxPlatform* platform = gfxPlatform::GetPlatform();
MOZ_ASSERT(platform);
platform->GetCompositorBackends(gfxConfig::IsEnabled(Feature::HW_COMPOSITING),
aBackends);
if (aBackends.IsEmpty()) {
aBackends.AppendElement(LayersBackend::LAYERS_BASIC);
}
}
/**
* This function will return a BasicCompositor to caller.
*/
static already_AddRefed<Compositor> CreateBasicCompositor() {
RefPtr<Compositor> compositor;
// Init the platform.
if (gfxPlatform::GetPlatform()) {
RefPtr<MockWidget> widget = new MockWidget(256, 256);
CompositorOptions options;
RefPtr<CompositorWidget> proxy =
new InProcessCompositorWidget(options, widget);
compositor = new BasicCompositor(nullptr, proxy);
}
return compositor.forget();
}
/**
* This function checks if the textures react correctly when setting them to
* BasicCompositor.
*/
static void CheckCompatibilityWithBasicCompositor(
LayersBackend aBackends, nsTArray<RefPtr<TextureHost>>& aTextures) {
RefPtr<Compositor> compositor = CreateBasicCompositor();
for (uint32_t i = 0; i < aTextures.Length(); i++) {
if (!aTextures[i]) {
continue;
}
aTextures[i]->SetTextureSourceProvider(compositor);
// The lock function will fail if the texture is not compatible with
// BasicCompositor.
bool lockResult = aTextures[i]->Lock();
if (aBackends != LayersBackend::LAYERS_BASIC) {
EXPECT_FALSE(lockResult);
} else {
EXPECT_TRUE(lockResult);
}
if (lockResult) {
aTextures[i]->Unlock();
}
}
}
TEST(Gfx, TestTextureCompatibility)
{
nsTArray<LayersBackend> backendHints;
RefPtr<TestSurfaceAllocator> deallocator = new TestSurfaceAllocator();
GetPlatformBackends(backendHints);
for (uint32_t i = 0; i < backendHints.Length(); i++) {
nsTArray<RefPtr<TextureClient>> textureClients;
nsTArray<RefPtr<TextureHost>> textureHosts;
CreateTextureWithBackend(backendHints[i], deallocator, textureClients,
textureHosts);
CheckCompatibilityWithBasicCompositor(backendHints[i], textureHosts);
}
}