frameworks_native: Add back PixelFormatInfo (a23598d3) · Commits · e / os / android_frameworks_native

include/ui/DisplayInfo.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,10 @@ struct DisplayInfo {
		bool secure;
		nsecs_t appVsyncOffset;
		nsecs_t presentationDeadline;
		#ifdef HAVE_PIXEL_FORMAT_INFO
		// needed only by old blobs
		PixelFormatInfo pixelFormatInfo;
		#endif
		};

		/* Display orientations as defined in Surface.java and ISurfaceComposer.h. */

include/ui/PixelFormat.h

+53 −0

Original line number	Diff line number	Diff line
		@@ -69,6 +69,59 @@ enum {

		typedef int32_t PixelFormat;

		#ifdef HAVE_PIXEL_FORMAT_INFO
		struct PixelFormatInfo {
		enum {
		INDEX_ALPHA = 0,
		INDEX_RED = 1,
		INDEX_GREEN = 2,
		INDEX_BLUE = 3
		};

		enum { // components
		ALPHA = 1,
		RGB = 2,
		RGBA = 3,
		L = 4,
		LA = 5,
		OTHER = 0xFF
		};

		struct szinfo {
		uint8_t h;
		uint8_t l;
		};

		inline PixelFormatInfo() : version(sizeof(PixelFormatInfo)) { }
		size_t getScanlineSize(unsigned int width) const;
		size_t getSize(size_t ci) const {
		return (ci <= 3) ? (cinfo[ci].h - cinfo[ci].l) : 0;
		}
		size_t version;
		PixelFormat format;
		size_t bytesPerPixel;
		size_t bitsPerPixel;
		union {
		szinfo cinfo[4];
		struct {
		uint8_t h_alpha;
		uint8_t l_alpha;
		uint8_t h_red;
		uint8_t l_red;
		uint8_t h_green;
		uint8_t l_green;
		uint8_t h_blue;
		uint8_t l_blue;
		};
		};
		uint8_t components;
		uint8_t reserved0[3];
		uint32_t reserved1;
		};

		status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info);
		#endif

		ssize_t bytesPerPixel(PixelFormat format);
		ssize_t bitsPerPixel(PixelFormat format);

libs/ui/Android.mk

+4 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,10 @@ ifeq ($(TARGET_USES_QCOM_BSP),true)
		LOCAL_CFLAGS += -DQCOM_BSP
		endif

		ifeq ($(BOARD_HAVE_PIXEL_FORMAT_INFO),true)
		LOCAL_CFLAGS += -DHAVE_PIXEL_FORMAT_INFO
		endif

		LOCAL_MODULE:= libui

		include $(BUILD_SHARED_LIBRARY)

libs/ui/PixelFormat.cpp

+107 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,113 @@
		namespace android {
		// ----------------------------------------------------------------------------

		#ifdef HAVE_PIXEL_FORMAT_INFO
		static const int COMPONENT_YUV = 0xFF;

		struct Info {
		size_t size;
		size_t bitsPerPixel;
		struct {
		uint8_t ah;
		uint8_t al;
		uint8_t rh;
		uint8_t rl;
		uint8_t gh;
		uint8_t gl;
		uint8_t bh;
		uint8_t bl;
		};
		uint8_t components;
		};

		static Info const sPixelFormatInfos[] = {
		{ 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
		{ 4, 32, {32,24, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGBA },
		{ 4, 24, { 0, 0, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGB },
		{ 3, 24, { 0, 0, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGB },
		{ 2, 16, { 0, 0, 16,11, 11, 5, 5, 0 }, PixelFormatInfo::RGB },
		{ 4, 32, {32,24, 24,16, 16, 8, 8, 0 }, PixelFormatInfo::RGBA },
		{ 2, 16, { 1, 0, 16,11, 11, 6, 6, 1 }, PixelFormatInfo::RGBA },
		{ 2, 16, { 4, 0, 16,12, 12, 8, 8, 4 }, PixelFormatInfo::RGBA },
		{ 1, 8, { 8, 0, 0, 0, 0, 0, 0, 0 }, PixelFormatInfo::ALPHA},
		{ 1, 8, { 0, 0, 8, 0, 8, 0, 8, 0 }, PixelFormatInfo::L },
		{ 2, 16, {16, 8, 8, 0, 8, 0, 8, 0 }, PixelFormatInfo::LA },
		{ 1, 8, { 0, 0, 8, 5, 5, 2, 2, 0 }, PixelFormatInfo::RGB },
		};

		static const Info* gGetPixelFormatTable(size_t* numEntries) {
		if (numEntries) {
		*numEntries = sizeof(sPixelFormatInfos)/sizeof(Info);
		}
		return sPixelFormatInfos;
		}

		// ----------------------------------------------------------------------------

		size_t PixelFormatInfo::getScanlineSize(unsigned int width) const
		{
		size_t size;
		if (components == COMPONENT_YUV) {
		// YCbCr formats are different.
		size = (width * bitsPerPixel)>>3;
		} else {
		size = width * bytesPerPixel;
		}
		return size;
		}

		status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info)
		{
		if (format <= 0)
		return BAD_VALUE;

		if (info->version != sizeof(PixelFormatInfo))
		return INVALID_OPERATION;

		// YUV format from the HAL are handled here
		switch (format) {
		case HAL_PIXEL_FORMAT_YCbCr_422_SP:
		case HAL_PIXEL_FORMAT_YCbCr_422_I:
		info->bitsPerPixel = 16;
		goto done;
		case HAL_PIXEL_FORMAT_YCrCb_420_SP:
		case HAL_PIXEL_FORMAT_YV12:
		info->bitsPerPixel = 12;
		done:
		info->format = format;
		info->components = COMPONENT_YUV;
		info->bytesPerPixel = 1;
		info->h_alpha = 0;
		info->l_alpha = 0;
		info->h_red = info->h_green = info->h_blue = 8;
		info->l_red = info->l_green = info->l_blue = 0;
		return NO_ERROR;
		}

		size_t numEntries;
		const Info *i = gGetPixelFormatTable(&numEntries) + format;
		bool valid = uint32_t(format) < numEntries;
		if (!valid) {
		return BAD_INDEX;
		}

		info->format = format;
		info->bytesPerPixel = i->size;
		info->bitsPerPixel = i->bitsPerPixel;
		info->h_alpha = i->ah;
		info->l_alpha = i->al;
		info->h_red = i->rh;
		info->l_red = i->rl;
		info->h_green = i->gh;
		info->l_green = i->gl;
		info->h_blue = i->bh;
		info->l_blue = i->bl;
		info->components = i->components;

		return NO_ERROR;
		}
		#endif

		ssize_t bytesPerPixel(PixelFormat format) {
		switch (format) {
		case PIXEL_FORMAT_RGBA_8888: