Turn down GLESRenderEngine tests

Some tests are flaky which is causing delays in continuous integration.
GLESRenderEngine has not been the default backend for RenderEngine since
Android 12, and no known OEM currently opts out of Skia's RenderEngine,
which is the replacement. So, now's not a bad time to turn down these
tests.

Also, as part of removing the tests, turn on and fix some color
management tests which had been accidentally disabled.

Bug: 245359125
Bug: 199918329
Test: librenderengine_test
Change-Id: I1ec93eaad63daa2268f92403bf71bcb65861072b
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 9d8b2df..777d02f 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -37,7 +37,6 @@
 #include <condition_variable>
 #include <fstream>
 
-#include "../gl/GLESRenderEngine.h"
 #include "../skia/SkiaGLRenderEngine.h"
 #include "../threaded/RenderEngineThreaded.h"
 
@@ -108,73 +107,9 @@
     virtual std::string name() = 0;
     virtual renderengine::RenderEngine::RenderEngineType type() = 0;
     virtual std::unique_ptr<renderengine::RenderEngine> createRenderEngine() = 0;
-    virtual std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
-        return nullptr;
-    }
     virtual bool useColorManagement() const = 0;
 };
 
-class GLESRenderEngineFactory : public RenderEngineFactory {
-public:
-    std::string name() override { return "GLESRenderEngineFactory"; }
-
-    renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
-    }
-
-    std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
-    }
-
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
-        renderengine::RenderEngineCreationArgs reCreationArgs =
-                renderengine::RenderEngineCreationArgs::Builder()
-                        .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
-                        .setImageCacheSize(1)
-                        .setUseColorManagerment(false)
-                        .setEnableProtectedContext(false)
-                        .setPrecacheToneMapperShaderOnly(false)
-                        .setSupportsBackgroundBlur(true)
-                        .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
-                        .setRenderEngineType(type())
-                        .setUseColorManagerment(useColorManagement())
-                        .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
-    }
-
-    bool useColorManagement() const override { return false; }
-};
-
-class GLESCMRenderEngineFactory : public RenderEngineFactory {
-public:
-    std::string name() override { return "GLESCMRenderEngineFactory"; }
-
-    renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
-    }
-
-    std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
-    }
-
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() override {
-        renderengine::RenderEngineCreationArgs reCreationArgs =
-                renderengine::RenderEngineCreationArgs::Builder()
-                        .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
-                        .setImageCacheSize(1)
-                        .setEnableProtectedContext(false)
-                        .setPrecacheToneMapperShaderOnly(false)
-                        .setSupportsBackgroundBlur(true)
-                        .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
-                        .setRenderEngineType(type())
-                        .setUseColorManagerment(useColorManagement())
-                        .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
-    }
-
-    bool useColorManagement() const override { return true; }
-};
-
 class SkiaGLESRenderEngineFactory : public RenderEngineFactory {
 public:
     std::string name() override { return "SkiaGLRenderEngineFactory"; }
@@ -313,9 +248,6 @@
         }
         for (uint32_t texName : mTexNames) {
             mRE->deleteTextures(1, &texName);
-            if (mGLESRE != nullptr) {
-                EXPECT_FALSE(mGLESRE->isTextureNameKnownForTesting(texName));
-            }
         }
         const ::testing::TestInfo* const test_info =
                 ::testing::UnitTest::GetInstance()->current_test_info();
@@ -537,10 +469,6 @@
 
         auto fence = result.value();
         fence->waitForever(LOG_TAG);
-
-        if (layers.size() > 0 && mGLESRE != nullptr) {
-            ASSERT_TRUE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-        }
     }
 
     void drawEmptyLayers() {
@@ -663,26 +591,13 @@
 
     std::unique_ptr<renderengine::RenderEngine> mRE;
     std::shared_ptr<renderengine::ExternalTexture> mBuffer;
-    // GLESRenderEngine for testing GLES-specific behavior.
-    // Owened by mRE, but this is downcasted.
-    renderengine::gl::GLESRenderEngine* mGLESRE = nullptr;
 
     std::vector<uint32_t> mTexNames;
 };
 
 void RenderEngineTest::initializeRenderEngine() {
     const auto& renderEngineFactory = GetParam();
-    if (renderEngineFactory->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        // Only GLESRenderEngine exposes test-only methods. Provide a pointer to the
-        // GLESRenderEngine if we're using it so that we don't need to dynamic_cast
-        // every time.
-        std::unique_ptr<renderengine::gl::GLESRenderEngine> renderEngine =
-                renderEngineFactory->createGLESRenderEngine();
-        mGLESRE = renderEngine.get();
-        mRE = std::move(renderEngine);
-    } else {
-        mRE = renderEngineFactory->createRenderEngine();
-    }
+    mRE = renderEngineFactory->createRenderEngine();
     mBuffer = allocateDefaultBuffer();
 }
 
@@ -1003,9 +918,9 @@
     std::vector<renderengine::LayerSettings> layers;
 
     renderengine::LayerSettings layer;
-    layer.sourceDataspace = sourceDataspace;
     layer.geometry.boundaries = Rect(1, 1).toFloatRect();
     SourceVariant::fillColor(layer, 0.5f, 0.25f, 0.125f, this);
+    layer.sourceDataspace = sourceDataspace;
     layer.alpha = 1.0f;
 
     // construct a fake color matrix
@@ -1031,13 +946,13 @@
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndSourceDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {172, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {77, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {101, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {75, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_2 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {172, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {61, 0, 0, 255};
     for (const auto& [sourceDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndSourceDataspace<SourceVariant>(sourceDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1077,13 +992,13 @@
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndOutputDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {202, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {192, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {202, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {198, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {187, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {192, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_6 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {202, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {205, 0, 0, 255};
     for (const auto& [outputDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndOutputDataspace<SourceVariant>(outputDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1599,9 +1514,7 @@
 }
 
 INSTANTIATE_TEST_SUITE_P(PerRenderEngineType, RenderEngineTest,
-                         testing::Values(std::make_shared<GLESRenderEngineFactory>(),
-                                         std::make_shared<GLESCMRenderEngineFactory>(),
-                                         std::make_shared<SkiaGLESRenderEngineFactory>(),
+                         testing::Values(std::make_shared<SkiaGLESRenderEngineFactory>(),
                                          std::make_shared<SkiaGLESCMRenderEngineFactory>()));
 
 TEST_P(RenderEngineTest, drawLayers_noLayersToDraw) {
@@ -1610,12 +1523,6 @@
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedBufferAndEmptyBuffer) {
-    const auto& renderEngineFactory = GetParam();
-    if (renderEngineFactory->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        // GLES-specific test
-        return;
-    }
-
     initializeRenderEngine();
     renderengine::DisplaySettings settings;
     settings.physicalDisplay = fullscreenRect();
@@ -1689,41 +1596,6 @@
     ASSERT_EQ(BAD_VALUE, result.error());
 }
 
-TEST_P(RenderEngineTest, drawLayers_doesNotCacheFramebuffer) {
-    const auto& renderEngineFactory = GetParam();
-
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        // GLES-specific test
-        return;
-    }
-
-    initializeRenderEngine();
-
-    renderengine::DisplaySettings settings;
-    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-    settings.physicalDisplay = fullscreenRect();
-    settings.clip = fullscreenRect();
-
-    std::vector<renderengine::LayerSettings> layers;
-    renderengine::LayerSettings layer;
-    layer.geometry.boundaries = fullscreenRect().toFloatRect();
-    BufferSourceVariant<ForceOpaqueBufferVariant>::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
-    layer.alpha = 1.0;
-    layers.push_back(layer);
-
-    ftl::Future<FenceResult> future =
-            mRE->drawLayers(settings, layers, mBuffer, false, base::unique_fd());
-    ASSERT_TRUE(future.valid());
-    auto result = future.get();
-
-    ASSERT_TRUE(result.ok());
-    auto fence = result.value();
-    fence->waitForever(LOG_TAG);
-
-    ASSERT_FALSE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);
-}
-
 TEST_P(RenderEngineTest, drawLayers_fillRedBuffer_colorSource) {
     initializeRenderEngine();
     fillRedBuffer<ColorSourceVariant>();
@@ -1783,11 +1655,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1798,11 +1666,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1893,11 +1757,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1908,11 +1768,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -2003,11 +1859,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -2018,11 +1870,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -2537,10 +2385,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = ui::Dataspace::V0_SRGB_LINEAR;
@@ -2613,9 +2457,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2691,9 +2532,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2754,9 +2592,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform_deviceHandles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2819,9 +2654,6 @@
 
 TEST_P(RenderEngineTest, testDimming_withoutTargetLuminance) {
     initializeRenderEngine();
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
 
     const auto displayRect = Rect(2, 1);
     const renderengine::DisplaySettings display{
@@ -2927,10 +2759,6 @@
         GTEST_SKIP();
     }
 
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     tonemap(
@@ -2948,10 +2776,6 @@
         GTEST_SKIP();
     }
 
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     tonemap(
@@ -2965,10 +2789,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_behaves_as_mask) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3026,10 +2846,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3092,10 +2908,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform_when_device_handles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3161,10 +2973,6 @@
 }
 
 TEST_P(RenderEngineTest, primeShaderCache) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     auto fut = mRE->primeCache();