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Commit 27aa241b authored by Sally Qi's avatar Sally Qi
Browse files

[Lut shader] in Adaptive mode, GPU path outputs gamma 2p2 encoding for 

HDR layer.

Relnote: apply a gamma2.2 compensation when a gamma_oetf dimming stage
is used.

Bug: 380894872
Test: builds
Flag: EXEMPT no flag needed

Change-Id: I048d370725a7f78732689b3fef674772a874e0f3
parent a9464874

libs/renderengine/skia/SkiaRenderEngine.cpp

+10 −1
Original line number Diff line number Diff line
@@ -544,9 +544,18 @@ sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader( 
    }



    if (graphicBuffer && parameters.layer.luts) {

        const bool dimInLinearSpace = parameters.display.dimmingStage !=

                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;

        const ui::Dataspace runtimeEffectDataspace = !dimInLinearSpace

                ? static_cast<ui::Dataspace>(

                          (parameters.outputDataSpace & ui::Dataspace::STANDARD_MASK) |

                          ui::Dataspace::TRANSFER_GAMMA2_2 |

                          (parameters.outputDataSpace & ui::Dataspace::RANGE_MASK))

                : parameters.outputDataSpace;



        shader = mLutShader.lutShader(shader, parameters.layer.luts,

                                      parameters.layer.sourceDataspace,

                                      toSkColorSpace(parameters.outputDataSpace));

                                      toSkColorSpace(runtimeEffectDataspace));

    }



    if (parameters.requiresLinearEffect) {