diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-06-13 14:50:29 +0200 |
|---|---|---|
| committer | Michal Krol <michal@tungstengraphics.com> | 2008-06-13 14:50:29 +0200 |
| commit | 6f548c88e265c70cd0eb6bc148e23d8ce8d83133 (patch) | |
| tree | cc349f507ab18b1e6dec97b5c471ca8f1102e205 /src | |
| parent | b8504534978ba7647838c29549d6698acb09a94f (diff) | |
gallium: Allow pipe format component sizes to be specified
with finer granularity.
This will allow us to define A2R10G10B10 format.
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/include/pipe/p_format.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index 3aad463049..b7716363b8 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -121,21 +121,21 @@ static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) #define pf_size_z(f) pf_get(f, 20, 0x7) /**< Size of Z */ #define pf_size_w(f) pf_get(f, 23, 0x7) /**< Size of W */ #define pf_size_xyzw(f,i) pf_get(f, 14+((i)*3), 0x7) -#define pf_exp8(f) pf_get(f, 26, 0x3) /**< Scale size by 8 ^ exp8 */ -#define pf_type(f) pf_get(f, 28, 0xf) /**< PIPE_FORMAT_TYPE_ */ +#define pf_exp2(f) pf_get(f, 26, 0x7) /**< Scale size by 2 ^ exp2 */ +#define pf_type(f) pf_get(f, 29, 0x7) /**< PIPE_FORMAT_TYPE_ */ /** * Helper macro to encode the above structure into a 32-bit value. */ -#define _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, EXP8, TYPE ) (\ +#define _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, EXP2, TYPE ) (\ (PIPE_FORMAT_LAYOUT_RGBAZS << 0) |\ ((SWZ) << 2) |\ ((SIZEX) << 14) |\ ((SIZEY) << 17) |\ ((SIZEZ) << 20) |\ ((SIZEW) << 23) |\ - ((EXP8) << 26) |\ - ((TYPE) << 28) ) + ((EXP2) << 26) |\ + ((TYPE) << 29) ) /** * Helper macro to encode the swizzle part of the structure above. @@ -149,16 +149,22 @@ static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 0, TYPE ) /** + * Shorthand macro for RGBAZS layout with component sizes in 2-bit units. + */ +#define _PIPE_FORMAT_RGBAZS_2( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE )\ + _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 1, TYPE ) + +/** * Shorthand macro for RGBAZS layout with component sizes in 8-bit units. */ #define _PIPE_FORMAT_RGBAZS_8( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE )\ - _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 1, TYPE ) + _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 3, TYPE ) /** * Shorthand macro for RGBAZS layout with component sizes in 64-bit units. */ #define _PIPE_FORMAT_RGBAZS_64( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE )\ - _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 2, TYPE ) + _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 6, TYPE ) /** * Shorthand macro for common format swizzles. @@ -359,7 +365,7 @@ static INLINE uint pf_get_component_bits( enum pipe_format format, uint comp ) else { size = 0; } - return size << (pf_exp8(format) * 3); + return size << pf_exp2(format); } /** |