Merge "[Lut] Add support to dump luts for debugging" into main (582a3135) · Commits · e / os / android_frameworks_native

libs/gui/include/gui/DisplayLuts.h

+99 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,10 @@
		#include <android-base/unique_fd.h>
		#include <binder/Parcel.h>
		#include <binder/Parcelable.h>
		#include <cutils/ashmem.h>
		#include <sys/mman.h>
		#include <algorithm>
		#include <ostream>
		#include <vector>

		namespace android::gui {
		@@ -62,4 +66,99 @@ private:
		base::unique_fd fd;
		}; // struct DisplayLuts

		static inline void PrintTo(const std::vector<int32_t>& offsets, ::std::ostream* os) {
		*os << "\n .offsets = {";
		for (size_t i = 0; i < offsets.size(); i++) {
		*os << offsets[i];
		if (i != offsets.size() - 1) {
		*os << ", ";
		}
		}
		*os << "}";
		}

		static inline void PrintTo(const std::vector<DisplayLuts::Entry>& entries, ::std::ostream* os) {
		*os << "\n .lutProperties = {\n";
		for (auto& [dimension, size, samplingKey] : entries) {
		*os << " Entry{"
		<< "dimension: " << dimension << ", size: " << size << ", samplingKey: " << samplingKey
		<< "}\n";
		}
		*os << " }";
		}

		static constexpr size_t kMaxPrintCount = 100;

		static inline void PrintTo(const std::vector<float>& buffer, size_t offset, int32_t dimension,
		size_t size, ::std::ostream* os) {
		size_t range = std::min(size, kMaxPrintCount);
		*os << "{";
		if (dimension == 1) {
		for (size_t i = 0; i < range; i++) {
		*os << buffer[offset + i];
		if (i != range - 1) {
		*os << ", ";
		}
		}
		} else {
		*os << "\n {R channel:";
		for (size_t i = 0; i < range; i++) {
		*os << buffer[offset + i];
		if (i != range - 1) {
		*os << ", ";
		}
		}
		*os << "}\n {G channel:";
		for (size_t i = 0; i < range; i++) {
		*os << buffer[offset + size + i];
		if (i != range - 1) {
		*os << ", ";
		}
		}
		*os << "}\n {B channel:";
		for (size_t i = 0; i < range; i++) {
		os << buffer[offset + 2 size + i];
		if (i != range - 1) {
		*os << ", ";
		}
		}
		}
		*os << "}";
		}

		static inline void PrintTo(const std::shared_ptr<DisplayLuts> luts, ::std::ostream* os) {
		*os << "gui::DisplayLuts {";
		auto& fd = luts->getLutFileDescriptor();
		*os << "\n .pfd = " << fd.get();
		if (fd.ok()) {
		PrintTo(luts->offsets, os);
		PrintTo(luts->lutProperties, os);
		// decode luts
		int32_t fullLength = luts->offsets[luts->offsets.size() - 1];
		if (luts->lutProperties[luts->offsets.size() - 1].dimension == 1) {
		fullLength += luts->lutProperties[luts->offsets.size() - 1].size;
		} else {
		fullLength += (luts->lutProperties[luts->offsets.size() - 1].size *
		luts->lutProperties[luts->offsets.size() - 1].size *
		luts->lutProperties[luts->offsets.size() - 1].size * 3);
		}
		size_t bufferSize = static_cast<size_t>(fullLength) * sizeof(float);
		float* ptr = (float*)mmap(NULL, bufferSize, PROT_READ, MAP_SHARED, fd.get(), 0);
		if (ptr == MAP_FAILED) {
		*os << "\n .bufferdata cannot mmap!";
		return;
		}
		std::vector<float> buffers(ptr, ptr + fullLength);
		munmap(ptr, bufferSize);

		*os << "\n .bufferdata = ";
		for (size_t i = 0; i < luts->offsets.size(); i++) {
		PrintTo(buffers, static_cast<size_t>(luts->offsets[i]),
		luts->lutProperties[i].dimension,
		static_cast<size_t>(luts->lutProperties[i].size), os);
		}
		}
		*os << "\n }";
		}

		} // namespace android::gui
		No newline at end of file

libs/renderengine/include/renderengine/LayerSettings.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -301,6 +301,10 @@ static inline void PrintTo(const LayerSettings& settings, ::std::ostream* os) {
		*os << "\n .edgeExtensionEffect = " << settings.edgeExtensionEffect;
		}
		*os << "\n .whitePointNits = " << settings.whitePointNits;
		if (settings.luts) {
		*os << "\n .luts = ";
		PrintTo(settings.luts, os);
		}
		*os << "\n}";
		}