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Commit 1fed86ea authored by Sally Qi's avatar Sally Qi
Browse files

Add test to validate that renderengine doesn't bail out early. 

- Make sure that renderengine doesn't bail out early that causes dirty
  buffer to re-use by next draw.

Bug: 233052879
Test: this
Change-Id: Id606928df6d35c5e31b1982f6f95d68c7bba3027
parent c2751d20

libs/renderengine/tests/RenderEngineTest.cpp

+30 −0
Original line number Diff line number Diff line
@@ -1606,6 +1606,36 @@ TEST_P(RenderEngineTest, drawLayers_noLayersToDraw) { 
    drawEmptyLayers();

}



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();

    settings.clip = fullscreenRect();

    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;



    // add a red layer

    renderengine::LayerSettings layerOne{

            .geometry.boundaries = fullscreenRect().toFloatRect(),

            .source.solidColor = half3(1.0f, 0.0f, 0.0f),

            .alpha = 1.f,

    };



    std::vector<renderengine::LayerSettings> layersFirst{layerOne};

    invokeDraw(settings, layersFirst);

    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);



    // re-draw with an empty layer above it, and we get a transparent black one

    std::vector<renderengine::LayerSettings> layersSecond;

    invokeDraw(settings, layersSecond);

    expectBufferColor(fullscreenRect(), 0, 0, 0, 0);

}



TEST_P(RenderEngineTest, drawLayers_withoutBuffers_withColorTransform) {

    initializeRenderEngine();