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Commit 837d2f9e authored by Jesse Hall's avatar Jesse Hall
Browse files

Always set vertex alpha when drawing screenshot layers 

The screenshot is a GL_RGB texture, and the GL_REPLACE texture env
mode uses vertex alpha for GL_RGB textures instead of alpha=1.0.

Bug: 7340077
Change-Id: I6fbb907023e48f9c422b15a33da79757d6726840
parent 9bdaa60b

services/surfaceflinger/LayerScreenshot.cpp

+2 −1
Original line number Diff line number Diff line
@@ -122,13 +122,14 @@ void LayerScreenshot::onDraw(const sp<const DisplayDevice>& hw, const Region& cl 
        } else {

            glEnable(GL_BLEND);

            glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);

            glColor4f(alpha, alpha, alpha, alpha);

            glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

        }



        LayerMesh mesh;

        computeGeometry(hw, &mesh);



        glColor4f(alpha, alpha, alpha, alpha);



        glDisable(GL_TEXTURE_EXTERNAL_OES);

        glEnable(GL_TEXTURE_2D);