Add HWC vsync hook. Currently unused. (31d2843b) · Commits · e / os / android_frameworks_native

services/surfaceflinger/DisplayHardware/HWComposer.cpp

+9 −0

Original line number	Diff line number	Diff line
		@@ -53,7 +53,9 @@ HWComposer::HWComposer(const sp<SurfaceFlinger>& flinger)
		if (mHwc->registerProcs) {
		mCBContext.hwc = this;
		mCBContext.procs.invalidate = &hook_invalidate;
		mCBContext.procs.vsync = &hook_vsync;
		mHwc->registerProcs(mHwc, &mCBContext.procs);
		memset(mCBContext.procs.zero, 0, sizeof(mCBContext.procs.zero));
		}
		}
		}
		@@ -74,10 +76,17 @@ void HWComposer::hook_invalidate(struct hwc_procs* procs) {
		reinterpret_cast<cb_context *>(procs)->hwc->invalidate();
		}

		void HWComposer::hook_vsync(struct hwc_procs* procs, int dpy, int64_t timestamp) {
		reinterpret_cast<cb_context *>(procs)->hwc->vsync(dpy, timestamp);
		}

		void HWComposer::invalidate() {
		mFlinger->repaintEverything();
		}

		void HWComposer::vsync(int dpy, int64_t timestamp) {
		}

		void HWComposer::setFrameBuffer(EGLDisplay dpy, EGLSurface sur) {
		mDpy = (hwc_display_t)dpy;
		mSur = (hwc_surface_t)sur;

+13 −1

Original line number	Diff line number	Diff line
		@@ -72,12 +72,24 @@ public:
		const Vector< sp<LayerBase> >& visibleLayersSortedByZ) const;

		private:

		struct callbacks : public hwc_procs_t {
		// these are here to facilitate the transition when adding
		// new callbacks (an implementation can check for NULL before
		// calling a new callback).
		void (*zero[4])(void);
		};

		struct cb_context {
		hwc_procs_t procs;
		callbacks procs;
		HWComposer* hwc;
		};

		static void hook_invalidate(struct hwc_procs* procs);
		static void hook_vsync(struct hwc_procs* procs, int dpy, int64_t timestamp);

		void invalidate();
		void vsync(int dpy, int64_t timestamp);

		sp<SurfaceFlinger> mFlinger;
		hw_module_t const* mModule;