diff options
| -rwxr-xr-x | src/gbm/gbm-symbols-check | 1 | ||||
| -rw-r--r-- | src/gbm/main/gbm.c | 66 | ||||
| -rw-r--r-- | src/gbm/main/gbm.h | 3 |
3 files changed, 70 insertions, 0 deletions
diff --git a/src/gbm/gbm-symbols-check b/src/gbm/gbm-symbols-check index 6a9af0c59d0..7ed17ddb6e3 100755 --- a/src/gbm/gbm-symbols-check +++ b/src/gbm/gbm-symbols-check @@ -17,6 +17,7 @@ gbm_bo_get_height gbm_bo_get_stride gbm_bo_get_stride_for_plane gbm_bo_get_format +gbm_bo_get_bpp gbm_bo_get_offset gbm_bo_get_device gbm_bo_get_handle diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c index 1de14f8fb4e..df61ff67748 100644 --- a/src/gbm/main/gbm.c +++ b/src/gbm/main/gbm.c @@ -194,6 +194,72 @@ gbm_bo_get_format(struct gbm_bo *bo) return bo->format; } +/** Get the bit-per-pixel of the buffer object's format + * + * The bits-per-pixel of the buffer object's format. + * + * Note; The 'in-memory pixel' concept makes no sense for YUV formats + * (pixels are the result of the combination of multiple memory sources: + * Y, Cb & Cr; usually these are even in separate buffers), so YUV + * formats are not supported by this function. + * + * \param bo The buffer object + * \return The number of bits0per-pixel of the buffer object's format. + */ +GBM_EXPORT uint32_t +gbm_bo_get_bpp(struct gbm_bo *bo) +{ + switch (bo->format) { + default: + return 0; + case GBM_FORMAT_C8: + case GBM_FORMAT_R8: + case GBM_FORMAT_RGB332: + case GBM_FORMAT_BGR233: + return 8; + case GBM_FORMAT_GR88: + case GBM_FORMAT_XRGB4444: + case GBM_FORMAT_XBGR4444: + case GBM_FORMAT_RGBX4444: + case GBM_FORMAT_BGRX4444: + case GBM_FORMAT_ARGB4444: + case GBM_FORMAT_ABGR4444: + case GBM_FORMAT_RGBA4444: + case GBM_FORMAT_BGRA4444: + case GBM_FORMAT_XRGB1555: + case GBM_FORMAT_XBGR1555: + case GBM_FORMAT_RGBX5551: + case GBM_FORMAT_BGRX5551: + case GBM_FORMAT_ARGB1555: + case GBM_FORMAT_ABGR1555: + case GBM_FORMAT_RGBA5551: + case GBM_FORMAT_BGRA5551: + case GBM_FORMAT_RGB565: + case GBM_FORMAT_BGR565: + return 16; + case GBM_FORMAT_RGB888: + case GBM_FORMAT_BGR888: + return 24; + case GBM_FORMAT_XRGB8888: + case GBM_FORMAT_XBGR8888: + case GBM_FORMAT_RGBX8888: + case GBM_FORMAT_BGRX8888: + case GBM_FORMAT_ARGB8888: + case GBM_FORMAT_ABGR8888: + case GBM_FORMAT_RGBA8888: + case GBM_FORMAT_BGRA8888: + case GBM_FORMAT_XRGB2101010: + case GBM_FORMAT_XBGR2101010: + case GBM_FORMAT_RGBX1010102: + case GBM_FORMAT_BGRX1010102: + case GBM_FORMAT_ARGB2101010: + case GBM_FORMAT_ABGR2101010: + case GBM_FORMAT_RGBA1010102: + case GBM_FORMAT_BGRA1010102: + return 32; + } +} + /** Get the offset for the data of the specified plane * * Extra planes, and even the first plane, may have an offset from the start of diff --git a/src/gbm/main/gbm.h b/src/gbm/main/gbm.h index 879f003f1b4..aed26a01621 100644 --- a/src/gbm/main/gbm.h +++ b/src/gbm/main/gbm.h @@ -334,6 +334,9 @@ uint32_t gbm_bo_get_format(struct gbm_bo *bo); uint32_t +gbm_bo_get_bpp(struct gbm_bo *bo); + +uint32_t gbm_bo_get_offset(struct gbm_bo *bo, int plane); struct gbm_device * |