dump HWC state in dumpsys (83727858) · Commits · e / os / android_frameworks_native

services/surfaceflinger/DisplayHardware/HWComposer.cpp

+21 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <sys/types.h>

		#include <utils/Errors.h>
		#include <utils/String8.h>

		#include <hardware/hardware.h>

		@@ -100,5 +101,25 @@ hwc_layer_t* HWComposer::getLayers() const {
		return mList ? mList->hwLayers : 0;
		}

		void HWComposer::dump(String8& result, char* buffer, size_t SIZE) const {
		if (mHwc && mList) {
		result.append("Hardware Composer state:\n");

		snprintf(buffer, SIZE, " numHwLayers=%u, flags=%08x\n",
		mList->numHwLayers, mList->flags);
		result.append(buffer);

		for (size_t i=0 ; i<mList->numHwLayers ; i++) {
		const hwc_layer_t& l(mList->hwLayers[i]);
		snprintf(buffer, SIZE, " %8s \| %08x \| %08x \| %02x \| %04x \| [%5d,%5d,%5d,%5d] \| [%5d,%5d,%5d,%5d]\n",
		l.compositionType ? "OVERLAY" : "FB",
		l.hints, l.flags, l.transform, l.blending,
		l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom,
		l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom);
		result.append(buffer);
		}
		}
		}

		// ---------------------------------------------------------------------------
		}; // namespace android

+5 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,8 @@
		namespace android {
		// ---------------------------------------------------------------------------

		class String8;

		class HWComposer
		{
		public:
		@@ -54,6 +56,9 @@ public:
		size_t getNumLayers() const;
		hwc_layer_t* getLayers() const;

		// for debugging
		void dump(String8& out, char* scratch, size_t SIZE) const;

		private:
		hw_module_t const* mModule;
		hwc_composer_device_t* mHwc;

+1 −0

Original line number	Diff line number	Diff line
		@@ -1533,6 +1533,7 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
		hwc.initCheck()==NO_ERROR ? "present" : "not present",
		mDebugDisableHWC ? "disabled" : "enabled");
		result.append(buffer);
		hwc.dump(result, buffer, SIZE);

		const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
		alloc.dump(result);