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| author | Chia-I Wu <olvaffe@gmail.com> | 2011-10-27 18:01:23 +0800 |
|---|---|---|
| committer | Chia-I Wu <olvaffe@gmail.com> | 2011-10-27 18:40:45 +0800 |
| commit | b65a3f83ccf8d17cea46fe5af1bc348ad5d4467f (patch) | |
| tree | cee2a030ca46c2c485703d98452c21f4574ab83b /gralloc_drm.h | |
| parent | 51966409ebae46df92720a0658090771e399be4f (diff) | |
| download | external_drm_gralloc-b65a3f83ccf8d17cea46fe5af1bc348ad5d4467f.zip external_drm_gralloc-b65a3f83ccf8d17cea46fe5af1bc348ad5d4467f.tar.gz external_drm_gralloc-b65a3f83ccf8d17cea46fe5af1bc348ad5d4467f.tar.bz2 | |
add support for YUV formats
Diffstat (limited to 'gralloc_drm.h')
| -rw-r--r-- | gralloc_drm.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gralloc_drm.h b/gralloc_drm.h index b9c0de8..85e3675 100644 --- a/gralloc_drm.h +++ b/gralloc_drm.h @@ -61,8 +61,15 @@ static inline int gralloc_drm_get_bpp(int format) case HAL_PIXEL_FORMAT_RGB_565: case HAL_PIXEL_FORMAT_RGBA_5551: case HAL_PIXEL_FORMAT_RGBA_4444: + case HAL_PIXEL_FORMAT_YCbCr_422_I: bpp = 2; break; + /* planar; only Y is considered */ + case HAL_PIXEL_FORMAT_YV12: + case HAL_PIXEL_FORMAT_YCbCr_422_SP: + case HAL_PIXEL_FORMAT_YCrCb_420_SP: + bpp = 1; + break; default: bpp = 0; break; @@ -71,6 +78,37 @@ static inline int gralloc_drm_get_bpp(int format) return bpp; } +static inline void gralloc_drm_align_geometry(int format, int *width, int *height) +{ + int align_w = 1, align_h = 1, extra_height_div = 0; + + switch (format) { + case HAL_PIXEL_FORMAT_YV12: + align_w = 32; + align_h = 2; + extra_height_div = 2; + break; + case HAL_PIXEL_FORMAT_YCbCr_422_SP: + align_w = 2; + extra_height_div = 1; + break; + case HAL_PIXEL_FORMAT_YCrCb_420_SP: + align_w = 2; + align_h = 2; + extra_height_div = 2; + break; + case HAL_PIXEL_FORMAT_YCbCr_422_I: + align_w = 2; + break; + } + + *width = (*width + align_w - 1) & ~(align_w - 1); + *height = (*height + align_h - 1) & ~(align_h - 1); + + if (extra_height_div) + *height += *height / extra_height_div; +} + int gralloc_drm_handle_register(buffer_handle_t handle, struct gralloc_drm_t *drm); int gralloc_drm_handle_unregister(buffer_handle_t handle); |