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Commit 135e5899 authored by Mathias Agopian's avatar Mathias Agopian
Browse files

save/restore viewport properly when taking screenshot 

Bug: 7241739
Change-Id: Iba8b9ffc75ab47fbc56169e65da26d96850a9297
parent bae92d0d

services/surfaceflinger/DisplayDevice.cpp

+1 −0
Original line number Diff line number Diff line
@@ -273,6 +273,7 @@ void DisplayDevice::setViewportAndProjection(const sp<const DisplayDevice>& hw) 
    glLoadIdentity();

    // put the origin in the left-bottom corner

    glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h

    glMatrixMode(GL_MODELVIEW);

}



// ----------------------------------------------------------------------------

services/surfaceflinger/SurfaceFlinger.cpp

+3 −1
Original line number Diff line number Diff line
@@ -2597,6 +2597,8 @@ status_t SurfaceFlinger::captureScreenImplLocked(const sp<IBinder>& display, 
    if (status == GL_FRAMEBUFFER_COMPLETE_OES) {



        // invert everything, b/c glReadPixel() below will invert the FB

        GLint  viewport[4];

        glGetIntegerv(GL_VIEWPORT, viewport);

        glViewport(0, 0, sw, sh);

        glMatrixMode(GL_PROJECTION);

        glPushMatrix();
@@ -2645,7 +2647,7 @@ status_t SurfaceFlinger::captureScreenImplLocked(const sp<IBinder>& display, 
                result = NO_MEMORY;

            }

        }

        glViewport(0, 0, hw_w, hw_h);

        glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);

        glMatrixMode(GL_PROJECTION);

        glPopMatrix();

        glMatrixMode(GL_MODELVIEW);