Merge "Cache color corrected variant of every image buffer shader" into sc-dev am: 7d2d7839

                              0.f,   0.f, 1.f, 0.f,

                              0.f,   0.f, 0.f, 1.f);

// clang-format on

// When choosing dataspaces below, whether the match the destination or not determined whether

// a color correction effect is added to the shader. There may be other additional shader details

// for particular color spaces.

// TODO(b/184842383) figure out which color related shaders are necessary

// When setting layer.sourceDataspace, whether it matches the destination or not determines whether

// a color correction effect is added to the shader.

constexpr auto kDestDataSpace = ui::Dataspace::SRGB;

constexpr auto kOtherDataSpace = ui::Dataspace::DISPLAY_P3;

} // namespace

    // Test both drawRect and drawRRect

    auto layers = std::vector<const LayerSettings*>{&layer};

    for (auto dataspace : {kDestDataSpace, kOtherDataSpace}) {

        layer.sourceDataspace = dataspace;

        for (bool identity : {true, false}) {

            layer.geometry.positionTransform = identity ? mat4() : kScaleAndTranslate;

            // Corner radii less than 0.5 creates a special shader. This likely occurs in real usage

            // due to animating corner radius.

            // For the non-idenity matrix, only the large corner radius will create a new shader.

            for (float roundedCornersRadius : identity ? threeCornerRadii : oneCornerRadius) {

            // roundedCornersCrop is always set, but it is this radius that triggers the behavior

                // roundedCornersCrop is always set, but it is this radius that triggers the

                // behavior

                layer.geometry.roundedCornersRadius = roundedCornersRadius;

                for (bool isOpaque : {true, false}) {

                    layer.source.buffer.isOpaque = isOpaque;

            }

        }

    }

}

static void drawSolidLayers(SkiaRenderEngine* renderengine, const DisplaySettings& display,

                            const std::shared_ptr<ExternalTexture>& dstTexture) {