diff options
Diffstat (limited to 'gralloc/gr_utils.h')
| -rw-r--r-- | gralloc/gr_utils.h | 76 |
1 files changed, 69 insertions, 7 deletions
diff --git a/gralloc/gr_utils.h b/gralloc/gr_utils.h index 309b8a75..8ecb90f6 100644 --- a/gralloc/gr_utils.h +++ b/gralloc/gr_utils.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2016,2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2011-2016,2018-2019, The Linux Foundation. All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are @@ -68,6 +68,63 @@ inline Type1 ALIGN(Type1 x, Type2 align) { return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1)); } +enum PlaneComponent { + /* luma */ + PLANE_COMPONENT_Y = 1 << 0, + /* chroma blue */ + PLANE_COMPONENT_Cb = 1 << 1, + /* chroma red */ + PLANE_COMPONENT_Cr = 1 << 2, + + /* red */ + PLANE_COMPONENT_R = 1 << 10, + /* green */ + PLANE_COMPONENT_G = 1 << 11, + /* blue */ + PLANE_COMPONENT_B = 1 << 12, + + /* alpha */ + PLANE_COMPONENT_A = 1 << 20, + + /* raw data plane */ + PLANE_COMPONENT_RAW = 1 << 30, + + /* meta information plane */ + PLANE_COMPONENT_META = 1 << 31, +}; + +struct PlaneLayoutInfo { + /** Components represented the type of plane. */ + PlaneComponent component; + + /** horizontal subsampling. Must be a positive power of 2. */ + uint32_t h_subsampling; + + /** vertical subsampling. Must be a positive power of 2. */ + uint32_t v_subsampling; + + /** offset to the first byte of the top-left pixel of the plane + * and it is calculated from the start of the buffer. + * Add base of the handle with offset to get the first byte of the plane. + */ + uint32_t offset; + + /** step is the distance in bytes from one pixel value to the next. */ + int32_t step; + + /** stride of the plane in pixels */ + int32_t stride; + + /** stride of the plane in in bytes */ + int32_t stride_bytes; + + /** plane height or vertical stride */ + int32_t scanlines; + + /** size of the plane in bytes */ + uint32_t size; +}; + bool IsYuvFormat(int format); bool IsCompressedRGBFormat(int format); bool IsUncompressedRGBFormat(int format); @@ -85,6 +142,11 @@ void GetColorSpaceFromMetadata(private_handle_t *hnd, int *color_space); void GetAlignedWidthAndHeight(const BufferInfo &d, unsigned int *aligned_w, unsigned int *aligned_h); int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr ycbcr[2]); +int GetYUVPlaneInfo(const BufferInfo &info, int32_t format, int32_t width, int32_t height, + int32_t flags, int *plane_count, PlaneLayoutInfo plane_info[8]); +void GetYuvSubSamplingFactor(int32_t format, int *h_subsampling, int *v_subsampling); +void CopyPlaneLayoutInfotoAndroidYcbcr(uint64_t base, int plane_count, PlaneLayoutInfo *plane_info, + struct android_ycbcr *ycbcr); int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data); bool IsUBwcFormat(int format); bool IsUBwcSupported(int format); @@ -92,12 +154,12 @@ bool IsUBwcPISupported(int format, uint64_t usage); bool IsUBwcEnabled(int format, uint64_t usage); void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w, unsigned int *aligned_h); -void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp, - struct android_ycbcr *ycbcr); -void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format, - struct android_ycbcr *ycbcr); -void GetYuvUbwcInterlacedSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, - int color_format, struct android_ycbcr ycbcr[2]); +void GetYuvSPPlaneInfo(const BufferInfo &info, int format, uint32_t width, uint32_t height, + uint32_t bpp, PlaneLayoutInfo *plane_info); +void GetYuvUbwcSPPlaneInfo(uint32_t width, uint32_t height, int color_format, + PlaneLayoutInfo *plane_info); +void GetYuvUbwcInterlacedSPPlaneInfo(uint32_t width, uint32_t height, + PlaneLayoutInfo plane_info[8]); void GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height); unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp); unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw, |