Fix virtual displays for HWC 1.0
We weren't swapping the buffers.
Bug 10366404
Change-Id: I43eb7648231bedf24899da6fc0d9acc09e0b047e
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 79b6689..ad63cac 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -218,13 +218,15 @@
}
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();