diff options
| -rw-r--r-- | src/gallium/include/pipe/p_format.h | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index b1bad8ab0e..e7d63350ef 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -50,7 +50,7 @@ extern "C" { #define PIPE_FORMAT_LAYOUT_RGBAZS 0 #define PIPE_FORMAT_LAYOUT_YCBCR 1 #define PIPE_FORMAT_LAYOUT_DXT 2 /**< XXX temporary? */ - +#define PIPE_FORMAT_LAYOUT_MIXED 3 static INLINE uint pf_layout(uint f) /**< PIPE_FORMAT_LAYOUT_ */ { @@ -62,7 +62,7 @@ static INLINE uint pf_layout(uint f) /**< PIPE_FORMAT_LAYOUT_ */ */ /** - * Format component selectors for RGBAZS layout. + * Format component selectors for RGBAZS & MIXED layout. */ #define PIPE_FORMAT_COMP_R 0 #define PIPE_FORMAT_COMP_G 1 @@ -109,8 +109,6 @@ static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) return (f >> shift) & mask; } -/* XXX: The bit layout needs to be revised, can't currently encode 10-bit components. */ - #define pf_swizzle_x(f) pf_get(f, 2, 0x7) /**< PIPE_FORMAT_COMP_ */ #define pf_swizzle_y(f) pf_get(f, 5, 0x7) /**< PIPE_FORMAT_COMP_ */ #define pf_swizzle_z(f) pf_get(f, 8, 0x7) /**< PIPE_FORMAT_COMP_ */ @@ -166,6 +164,36 @@ static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) #define _PIPE_FORMAT_RGBAZS_64( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE )\ _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 6, TYPE ) +typedef uint pipe_format_mixed_t; + +/* NOTE: Use pf_swizzle_* and pf_size_* macros for swizzles and sizes. + */ + +#define pf_mixed_sign_x(f) pf_get( f, 26, 0x1 ) /*< Sign of X */ +#define pf_mixed_sign_y(f) pf_get( f, 27, 0x1 ) /*< Sign of Y */ +#define pf_mixed_sign_z(f) pf_get( f, 28, 0x1 ) /*< Sign of Z */ +#define pf_mixed_sign_w(f) pf_get( f, 29, 0x1 ) /*< Sign of W */ +#define pf_mixed_sign_xyzw(f, i) pf_get( f, 26 + (i), 0x1 ) +#define pf_mixed_normalized(f) pf_get( f, 30, 0x1 ) /*< Type is NORM (1) or SCALED (0) */ +#define pf_mixed_scale8(f) pf_get( f, 31, 0x1 ) /*< Scale size by either one (0) or eight (1) */ + +/** + * Helper macro to encode the above structure into a 32-bit value. + */ +#define _PIPE_FORMAT_MIXED( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, SIGNX, SIGNY, SIGNZ, SIGNW, NORMALIZED, SCALE8 ) (\ + (PIPE_FORMAT_LAYOUT_MIXED << 0) |\ + ((SWZ) << 2) |\ + ((SIZEX) << 14) |\ + ((SIZEY) << 17) |\ + ((SIZEZ) << 20) |\ + ((SIZEW) << 23) |\ + ((SIGNX) << 26) |\ + ((SIGNY) << 27) |\ + ((SIGNZ) << 28) |\ + ((SIGNW) << 29) |\ + ((NORMALIZED) << 30) |\ + ((SCALE8) << 31) ) + /** * Shorthand macro for common format swizzles. */ @@ -177,6 +205,7 @@ static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) #define _PIPE_FORMAT_ABGR _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_A, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R ) #define _PIPE_FORMAT_BGRA _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_A ) #define _PIPE_FORMAT_1RGB _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_1, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B ) +#define _PIPE_FORMAT_1BGR _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_1, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R ) #define _PIPE_FORMAT_BGR1 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_1 ) #define _PIPE_FORMAT_0000 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) #define _PIPE_FORMAT_000R _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_R ) @@ -331,6 +360,11 @@ enum pipe_format { PIPE_FORMAT_R8G8B8A8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), PIPE_FORMAT_R8G8B8X8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), + /* mixed formats */ + PIPE_FORMAT_A8UB8UG8SR8S_NORM = _PIPE_FORMAT_MIXED( _PIPE_FORMAT_ABGR, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 ), + PIPE_FORMAT_X8UB8UG8SR8S_NORM = _PIPE_FORMAT_MIXED( _PIPE_FORMAT_1BGR, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 ), + PIPE_FORMAT_B6UG5SR5S_NORM = _PIPE_FORMAT_MIXED( _PIPE_FORMAT_BGR1, 6, 5, 5, 0, 0, 1, 1, 0, 1, 0 ), + /* compressed formats */ PIPE_FORMAT_DXT1_RGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0 ), PIPE_FORMAT_DXT1_RGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8 ), @@ -338,7 +372,6 @@ enum pipe_format { PIPE_FORMAT_DXT5_RGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8 ) }; - /** * Builds pipe format name from format token. */ @@ -367,7 +400,9 @@ static INLINE uint pf_get_component_bits( enum pipe_format format, uint comp ) else { size = 0; } - return size << pf_exp2(format); + if (pf_layout( format ) == PIPE_FORMAT_LAYOUT_RGBAZS) + return size << pf_exp2( format ); + return size << (pf_mixed_scale8( format ) * 3); } /** @@ -377,6 +412,7 @@ static INLINE uint pf_get_bits( enum pipe_format format ) { switch (pf_layout(format)) { case PIPE_FORMAT_LAYOUT_RGBAZS: + case PIPE_FORMAT_LAYOUT_MIXED: return pf_get_component_bits( format, PIPE_FORMAT_COMP_0 ) + pf_get_component_bits( format, PIPE_FORMAT_COMP_1 ) + |