Loading include/system/graphics.h +96 −0 Original line number Diff line number Diff line Loading @@ -477,6 +477,102 @@ struct android_ycbcr { uint32_t reserved[8]; }; /* * Structures for describing flexible YUVA/RGBA formats for consumption by * applications. Such flexible formats contain a plane for each component (e.g. * red, green, blue), where each plane is laid out in a grid-like pattern * occupying unique byte addresses and with consistent byte offsets between * neighboring pixels. * * The android_flex_layout structure is used with any pixel format that can be * represented by it, such as: * - HAL_PIXEL_FORMAT_YCbCr_*_888 * - HAL_PIXEL_FORMAT_FLEX_RGB*_888 * - HAL_PIXEL_FORMAT_RGB[AX]_888[8],BGRA_8888,RGB_888 * - HAL_PIXEL_FORMAT_YV12,Y8,Y16,YCbCr_422_SP/I,YCrCb_420_SP * - even implementation defined formats that can be represented by * the structures * * Vertical increment (aka. row increment or stride) describes the distance in * bytes from the first pixel of one row to the first pixel of the next row * (below) for the component plane. This can be negative. * * Horizontal increment (aka. column or pixel increment) describes the distance * in bytes from one pixel to the next pixel (to the right) on the same row for * the component plane. This can be negative. * * Each plane can be subsampled either vertically or horizontally by * a power-of-two factor. * * The bit-depth of each component can be arbitrary, as long as the pixels are * laid out on whole bytes, in native byte-order, using the most significant * bits of each unit. */ typedef enum android_flex_component { /* luma */ FLEX_COMPONENT_Y = 1 << 0, /* chroma blue */ FLEX_COMPONENT_Cb = 1 << 1, /* chroma red */ FLEX_COMPONENT_Cr = 1 << 2, /* red */ FLEX_COMPONENT_R = 1 << 10, /* green */ FLEX_COMPONENT_G = 1 << 11, /* blue */ FLEX_COMPONENT_B = 1 << 12, /* alpha */ FLEX_COMPONENT_A = 1 << 30, } android_flex_component_t; typedef struct android_flex_plane { /* pointer to the first byte of the top-left pixel of the plane. */ uint8_t *top_left; android_flex_component_t component; /* bits allocated for the component in each pixel. Must be a positive multiple of 8. */ int32_t bits_per_component; /* number of the most significant bits used in the format for this component. Must be between 1 and bits_per_component, inclusive. */ int32_t bits_used; /* horizontal increment */ int32_t h_increment; /* vertical increment */ int32_t v_increment; /* horizontal subsampling. Must be a positive power of 2. */ int32_t h_subsampling; /* vertical subsampling. Must be a positive power of 2. */ int32_t v_subsampling; } android_flex_plane_t; typedef enum android_flex_format { /* not a flexible format */ FLEX_FORMAT_INVALID = 0x0, FLEX_FORMAT_Y = FLEX_COMPONENT_Y, FLEX_FORMAT_YCbCr = FLEX_COMPONENT_Y | FLEX_COMPONENT_Cb | FLEX_COMPONENT_Cr, FLEX_FORMAT_YCbCrA = FLEX_FORMAT_YCbCr | FLEX_COMPONENT_A, FLEX_FORMAT_RGB = FLEX_COMPONENT_R | FLEX_COMPONENT_G | FLEX_COMPONENT_B, FLEX_FORMAT_RGBA = FLEX_FORMAT_RGB | FLEX_COMPONENT_A, } android_flex_format_t; typedef struct android_flex_layout { /* the kind of flexible format */ android_flex_format_t format; /* number of planes; 0 for FLEX_FORMAT_INVALID */ uint32_t num_planes; /* a plane for each component; ordered in increasing component value order. E.g. FLEX_FORMAT_RGBA maps 0 -> R, 1 -> G, etc. Can be NULL for FLEX_FORMAT_INVALID */ android_flex_plane_t *planes; } android_flex_layout_t; /** * Structure used to define depth point clouds for format HAL_PIXEL_FORMAT_BLOB * with dataSpace value of HAL_DATASPACE_DEPTH. Loading Loading
include/system/graphics.h +96 −0 Original line number Diff line number Diff line Loading @@ -477,6 +477,102 @@ struct android_ycbcr { uint32_t reserved[8]; }; /* * Structures for describing flexible YUVA/RGBA formats for consumption by * applications. Such flexible formats contain a plane for each component (e.g. * red, green, blue), where each plane is laid out in a grid-like pattern * occupying unique byte addresses and with consistent byte offsets between * neighboring pixels. * * The android_flex_layout structure is used with any pixel format that can be * represented by it, such as: * - HAL_PIXEL_FORMAT_YCbCr_*_888 * - HAL_PIXEL_FORMAT_FLEX_RGB*_888 * - HAL_PIXEL_FORMAT_RGB[AX]_888[8],BGRA_8888,RGB_888 * - HAL_PIXEL_FORMAT_YV12,Y8,Y16,YCbCr_422_SP/I,YCrCb_420_SP * - even implementation defined formats that can be represented by * the structures * * Vertical increment (aka. row increment or stride) describes the distance in * bytes from the first pixel of one row to the first pixel of the next row * (below) for the component plane. This can be negative. * * Horizontal increment (aka. column or pixel increment) describes the distance * in bytes from one pixel to the next pixel (to the right) on the same row for * the component plane. This can be negative. * * Each plane can be subsampled either vertically or horizontally by * a power-of-two factor. * * The bit-depth of each component can be arbitrary, as long as the pixels are * laid out on whole bytes, in native byte-order, using the most significant * bits of each unit. */ typedef enum android_flex_component { /* luma */ FLEX_COMPONENT_Y = 1 << 0, /* chroma blue */ FLEX_COMPONENT_Cb = 1 << 1, /* chroma red */ FLEX_COMPONENT_Cr = 1 << 2, /* red */ FLEX_COMPONENT_R = 1 << 10, /* green */ FLEX_COMPONENT_G = 1 << 11, /* blue */ FLEX_COMPONENT_B = 1 << 12, /* alpha */ FLEX_COMPONENT_A = 1 << 30, } android_flex_component_t; typedef struct android_flex_plane { /* pointer to the first byte of the top-left pixel of the plane. */ uint8_t *top_left; android_flex_component_t component; /* bits allocated for the component in each pixel. Must be a positive multiple of 8. */ int32_t bits_per_component; /* number of the most significant bits used in the format for this component. Must be between 1 and bits_per_component, inclusive. */ int32_t bits_used; /* horizontal increment */ int32_t h_increment; /* vertical increment */ int32_t v_increment; /* horizontal subsampling. Must be a positive power of 2. */ int32_t h_subsampling; /* vertical subsampling. Must be a positive power of 2. */ int32_t v_subsampling; } android_flex_plane_t; typedef enum android_flex_format { /* not a flexible format */ FLEX_FORMAT_INVALID = 0x0, FLEX_FORMAT_Y = FLEX_COMPONENT_Y, FLEX_FORMAT_YCbCr = FLEX_COMPONENT_Y | FLEX_COMPONENT_Cb | FLEX_COMPONENT_Cr, FLEX_FORMAT_YCbCrA = FLEX_FORMAT_YCbCr | FLEX_COMPONENT_A, FLEX_FORMAT_RGB = FLEX_COMPONENT_R | FLEX_COMPONENT_G | FLEX_COMPONENT_B, FLEX_FORMAT_RGBA = FLEX_FORMAT_RGB | FLEX_COMPONENT_A, } android_flex_format_t; typedef struct android_flex_layout { /* the kind of flexible format */ android_flex_format_t format; /* number of planes; 0 for FLEX_FORMAT_INVALID */ uint32_t num_planes; /* a plane for each component; ordered in increasing component value order. E.g. FLEX_FORMAT_RGBA maps 0 -> R, 1 -> G, etc. Can be NULL for FLEX_FORMAT_INVALID */ android_flex_plane_t *planes; } android_flex_layout_t; /** * Structure used to define depth point clouds for format HAL_PIXEL_FORMAT_BLOB * with dataSpace value of HAL_DATASPACE_DEPTH. Loading
