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Commit d0567ad4 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "[RenderEngine] correct alpha blending func" am: 6f942603 am: 9592c9d5 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1391116

Change-Id: I80746a17d6f153fc9a23e1ced05d17eeb7c46950
parents 85da10cd 9592c9d5

libs/renderengine/gl/GLESRenderEngine.cpp

+2 −1
Original line number Diff line number Diff line
@@ -1228,7 +1228,8 @@ void GLESRenderEngine::setupLayerBlending(bool premultipliedAlpha, bool opaque, 


    if (color.a < 1.0f || !opaque || cornerRadius > 0.0f) {

        glEnable(GL_BLEND);

        glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

        glBlendFuncSeparate(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,

                            GL_ONE, GL_ONE_MINUS_SRC_ALPHA);

    } else {

        glDisable(GL_BLEND);

    }

libs/renderengine/tests/RenderEngineTest.cpp

+1 −1
Original line number Diff line number Diff line
@@ -916,7 +916,7 @@ void RenderEngineTest::fillRedBufferWithoutPremultiplyAlpha() { 


void RenderEngineTest::fillBufferWithoutPremultiplyAlpha() {

    fillRedBufferWithoutPremultiplyAlpha();

    expectBufferColor(fullscreenRect(), 128, 0, 0, 64, 1);

    expectBufferColor(fullscreenRect(), 128, 0, 0, 128, 1);

}



void RenderEngineTest::clearLeftRegion() {