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Commit 22a99f0f authored by Andy McFadden's avatar Andy McFadden
Browse files

Fix virtual displays for HWC 1.0 

We weren't swapping the buffers.

Bug 10366404

Change-Id: I43eb7648231bedf24899da6fc0d9acc09e0b047e
parent 90f59bf9

services/surfaceflinger/DisplayDevice.cpp

+7 −5
Original line number Diff line number Diff line
@@ -218,13 +218,15 @@ status_t DisplayDevice::prepareFrame(const HWComposer& hwc) const { 
}



void DisplayDevice::swapBuffers(HWComposer& hwc) const {

    // We need to call eglSwapBuffers() unless:

    // (a) there was no GLES composition this frame, or

    // (b) we're using a legacy HWC with no framebuffer target support (in

    //     which case HWComposer::commit() handles things).

    // We need to call eglSwapBuffers() if:

    //  (1) we don't have a hardware composer, or

    //  (2) we did GLES composition this frame, and either

    //    (a) we have framebuffer target support (not present on legacy

    //        devices, where HWComposer::commit() handles things); or

    //    (b) this is a virtual display

    if (hwc.initCheck() != NO_ERROR ||

            (hwc.hasGlesComposition(mHwcDisplayId) &&

             hwc.supportsFramebufferTarget())) {

             (hwc.supportsFramebufferTarget() || mType >= DISPLAY_VIRTUAL))) {

        EGLBoolean success = eglSwapBuffers(mDisplay, mSurface);

        if (!success) {

            EGLint error = eglGetError();