diff options
Diffstat (limited to 'src/gallium/include/pipe/p_format.h')
| -rw-r--r-- | src/gallium/include/pipe/p_format.h | 664 |
1 files changed, 113 insertions, 551 deletions
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index af23080920..6bfff1cc59 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -40,353 +40,133 @@ extern "C" { #endif /** - * The pipe_format enum is a 32-bit wide bitfield that encodes all the - * information needed to uniquely describe a pixel format. - */ - -/** - * Possible format layouts are encoded in the first 2 bits. - * The interpretation of the remaining 30 bits depends on a particular - * format layout. - */ -#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_ */ -{ - return f & 0x3; -} - -/** - * RGBAZS Format Layout. - */ - -/** - * Format component selectors for RGBAZS & MIXED layout. - */ -#define PIPE_FORMAT_COMP_R 0 -#define PIPE_FORMAT_COMP_G 1 -#define PIPE_FORMAT_COMP_B 2 -#define PIPE_FORMAT_COMP_A 3 -#define PIPE_FORMAT_COMP_0 4 -#define PIPE_FORMAT_COMP_1 5 -#define PIPE_FORMAT_COMP_Z 6 -#define PIPE_FORMAT_COMP_S 7 - -/** - * Format types for RGBAZS layout. - */ -#define PIPE_FORMAT_TYPE_UNKNOWN 0 -#define PIPE_FORMAT_TYPE_FLOAT 1 /**< 16/32/64-bit/channel formats */ -#define PIPE_FORMAT_TYPE_UNORM 2 /**< uints, normalized to [0,1] */ -#define PIPE_FORMAT_TYPE_SNORM 3 /**< ints, normalized to [-1,1] */ -#define PIPE_FORMAT_TYPE_USCALED 4 /**< uints, not normalized */ -#define PIPE_FORMAT_TYPE_SSCALED 5 /**< ints, not normalized */ -#define PIPE_FORMAT_TYPE_SRGB 6 /**< sRGB colorspace */ -#define PIPE_FORMAT_TYPE_FIXED 7 /**< 16.16 fixed point */ - - -/** - * Because the destination vector is assumed to be RGBA FLOAT, we - * need to know how to swizzle and expand components from the source - * vector. - * Let's take U_A1_R5_G5_B5 as an example. X swizzle is A, X size - * is 1 bit and type is UNORM. So we take the most significant bit - * from source vector, convert 0 to 0.0 and 1 to 1.0 and save it - * in the last component of the destination RGBA component. - * Next, Y swizzle is R, Y size is 5 and type is UNORM. We normalize - * those 5 bits into [0.0; 1.0] range and put it into second - * component of the destination vector. Rinse and repeat for - * components Z and W. - * If any of size fields is zero, it means the source format contains - * less than four components. - * If any swizzle is 0 or 1, the corresponding destination component - * should be filled with 0.0 and 1.0, respectively. - */ -typedef uint pipe_format_rgbazs_t; - -static INLINE uint pf_get(pipe_format_rgbazs_t f, uint shift, uint mask) -{ - return (f >> shift) & mask; -} - -#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_ */ -#define pf_swizzle_w(f) pf_get(f, 11, 0x7) /**< PIPE_FORMAT_COMP_ */ -#define pf_swizzle_xyzw(f,i) pf_get(f, 2+((i)*3), 0x7) -#define pf_size_x(f) pf_get(f, 14, 0x7) /**< Size of X */ -#define pf_size_y(f) pf_get(f, 17, 0x7) /**< Size of Y */ -#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_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, EXP2, TYPE ) (\ - (PIPE_FORMAT_LAYOUT_RGBAZS << 0) |\ - ((SWZ) << 2) |\ - ((SIZEX) << 14) |\ - ((SIZEY) << 17) |\ - ((SIZEZ) << 20) |\ - ((SIZEW) << 23) |\ - ((EXP2) << 26) |\ - ((TYPE) << 29) ) - -/** - * Helper macro to encode the swizzle part of the structure above. - */ -#define _PIPE_FORMAT_SWZ( SWZX, SWZY, SWZZ, SWZW ) (((SWZX) << 0) | ((SWZY) << 3) | ((SWZZ) << 6) | ((SWZW) << 9)) - -/** - * Shorthand macro for RGBAZS layout with component sizes in 1-bit units. - */ -#define _PIPE_FORMAT_RGBAZS_1( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE )\ - _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, 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, 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. - */ -#define _PIPE_FORMAT_R001 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_1 ) -#define _PIPE_FORMAT_RG01 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_1 ) -#define _PIPE_FORMAT_RGB1 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_1 ) -#define _PIPE_FORMAT_RGBA _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_A ) -#define _PIPE_FORMAT_ARGB _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_A, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B ) -#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 ) -#define _PIPE_FORMAT_RRR1 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_1 ) -#define _PIPE_FORMAT_RRRR _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R ) -#define _PIPE_FORMAT_RRRG _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G ) -#define _PIPE_FORMAT_Z000 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) -#define _PIPE_FORMAT_0Z00 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) -#define _PIPE_FORMAT_SZ00 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) -#define _PIPE_FORMAT_ZS00 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) -#define _PIPE_FORMAT_S000 _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 ) - -/** - * YCBCR Format Layout. - */ - -/** - * This only contains a flag that indicates whether the format is reversed or - * not. - */ -typedef uint pipe_format_ycbcr_t; - -/** - * Helper macro to encode the above structure into a 32-bit value. - */ -#define _PIPE_FORMAT_YCBCR( REV ) (\ - (PIPE_FORMAT_LAYOUT_YCBCR << 0) |\ - ((REV) << 2) ) - -static INLINE uint pf_rev(pipe_format_ycbcr_t f) -{ - return (f >> 2) & 0x1; -} - - -/** - * Compresssed format layouts (this will probably change) - */ -#define _PIPE_FORMAT_DXT( LEVEL, RSIZE, GSIZE, BSIZE, ASIZE, TYPE ) \ - ((PIPE_FORMAT_LAYOUT_DXT << 0) | \ - ((LEVEL) << 2) | \ - ((RSIZE) << 5) | \ - ((GSIZE) << 8) | \ - ((BSIZE) << 11) | \ - ((ASIZE) << 14) | \ - ((TYPE) << 29)) - - - -/** * Texture/surface image formats (preliminary) */ /* KW: Added lots of surface formats to support vertex element layout - * definitions, and eventually render-to-vertex-buffer. Could - * consider making float/int/uint/scaled/normalized a separate - * parameter, but on the other hand there are special cases like - * z24s8, compressed textures, ycbcr, etc that won't fit that model. + * definitions, and eventually render-to-vertex-buffer. */ enum pipe_format { - PIPE_FORMAT_NONE = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_0000, 0, 0, 0, 0, PIPE_FORMAT_TYPE_UNKNOWN ), - PIPE_FORMAT_A8R8G8B8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ARGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_X8R8G8B8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_1RGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_B8G8R8A8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGRA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_B8G8R8X8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGR1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_A1R5G5B5_UNORM = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_ARGB, 1, 5, 5, 5, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_A4R4G4B4_UNORM = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_ARGB, 4, 4, 4, 4, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R5G6B5_UNORM = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_RGB1, 5, 6, 5, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_A2B10G10R10_UNORM = _PIPE_FORMAT_RGBAZS_2 ( _PIPE_FORMAT_ABGR, 1, 5, 5, 5, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_L8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_UNORM ), /**< ubyte luminance */ - PIPE_FORMAT_A8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_000R, 0, 0, 0, 1, PIPE_FORMAT_TYPE_UNORM ), /**< ubyte alpha */ - PIPE_FORMAT_I8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRR, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), /**< ubyte intensity */ - PIPE_FORMAT_A8L8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), /**< ubyte alpha, luminance */ - PIPE_FORMAT_L16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_UNORM ), /**< ushort luminance */ - PIPE_FORMAT_YCBCR = _PIPE_FORMAT_YCBCR( 0 ), - PIPE_FORMAT_YCBCR_REV = _PIPE_FORMAT_YCBCR( 1 ), - PIPE_FORMAT_Z16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 2, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_Z32_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 4, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_Z32_FLOAT = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_S8Z24_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_SZ00, 1, 3, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_Z24S8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ZS00, 3, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_X8Z24_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_0Z00, 1, 3, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_Z24X8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 3, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_S8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_S000, 1, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), /**< ubyte stencil */ - PIPE_FORMAT_R64_FLOAT = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R64G64_FLOAT = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R64G64B64_FLOAT = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R64G64B64A64_FLOAT = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R32_FLOAT = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R32G32_FLOAT = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R32G32B32_FLOAT = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R32G32B32A32_FLOAT = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_FLOAT ), - PIPE_FORMAT_R32_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R32G32_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R32G32B32_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R32G32B32A32_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R32_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R32G32_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R32G32B32_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R32G32B32A32_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R32_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R32G32_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R32G32B32_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R32G32B32A32_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R32_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R32G32_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R32G32B32_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R32G32B32A32_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R16G16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R16G16B16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R16G16B16A16_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R16_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R16G16_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R16G16B16_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R16G16B16A16_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R16_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R16G16_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R16G16B16_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R16G16B16A16_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R16_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R16G16_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R16G16B16_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R16G16B16A16_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R8G8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R8G8B8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R8G8B8A8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R8G8B8X8_UNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_R8_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R8G8_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R8G8B8_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R8G8B8A8_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R8G8B8X8_USCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_USCALED ), - PIPE_FORMAT_R8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R8G8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R8G8B8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R8G8B8A8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R8G8B8X8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_B6G5R5_SNORM = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_BGR1, 6, 5, 5, 0, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_A8B8G8R8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGRA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_X8B8G8R8_SNORM = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGR1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM ), - PIPE_FORMAT_R8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R8G8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R8G8B8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R8G8B8A8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R8G8B8X8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED ), - PIPE_FORMAT_R32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FIXED ), - PIPE_FORMAT_R32G32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_FIXED ), - PIPE_FORMAT_R32G32B32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_FIXED ), - PIPE_FORMAT_R32G32B32A32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_FIXED ), + PIPE_FORMAT_NONE = 0, + PIPE_FORMAT_A8R8G8B8_UNORM = 1, + PIPE_FORMAT_X8R8G8B8_UNORM = 2, + PIPE_FORMAT_B8G8R8A8_UNORM = 3, + PIPE_FORMAT_B8G8R8X8_UNORM = 4, + PIPE_FORMAT_A1R5G5B5_UNORM = 5, + PIPE_FORMAT_A4R4G4B4_UNORM = 6, + PIPE_FORMAT_R5G6B5_UNORM = 7, + PIPE_FORMAT_A2B10G10R10_UNORM = 8, + PIPE_FORMAT_L8_UNORM = 9, /**< ubyte luminance */ + PIPE_FORMAT_A8_UNORM = 10, /**< ubyte alpha */ + PIPE_FORMAT_I8_UNORM = 11, /**< ubyte intensity */ + PIPE_FORMAT_A8L8_UNORM = 12, /**< ubyte alpha, luminance */ + PIPE_FORMAT_L16_UNORM = 13, /**< ushort luminance */ + PIPE_FORMAT_YCBCR = 14, + PIPE_FORMAT_YCBCR_REV = 15, + PIPE_FORMAT_Z16_UNORM = 16, + PIPE_FORMAT_Z32_UNORM = 17, + PIPE_FORMAT_Z32_FLOAT = 18, + PIPE_FORMAT_S8Z24_UNORM = 19, + PIPE_FORMAT_Z24S8_UNORM = 20, + PIPE_FORMAT_X8Z24_UNORM = 21, + PIPE_FORMAT_Z24X8_UNORM = 22, + PIPE_FORMAT_S8_UNORM = 23, /**< ubyte stencil */ + PIPE_FORMAT_R64_FLOAT = 24, + PIPE_FORMAT_R64G64_FLOAT = 25, + PIPE_FORMAT_R64G64B64_FLOAT = 26, + PIPE_FORMAT_R64G64B64A64_FLOAT = 27, + PIPE_FORMAT_R32_FLOAT = 28, + PIPE_FORMAT_R32G32_FLOAT = 29, + PIPE_FORMAT_R32G32B32_FLOAT = 30, + PIPE_FORMAT_R32G32B32A32_FLOAT = 31, + PIPE_FORMAT_R32_UNORM = 32, + PIPE_FORMAT_R32G32_UNORM = 33, + PIPE_FORMAT_R32G32B32_UNORM = 34, + PIPE_FORMAT_R32G32B32A32_UNORM = 35, + PIPE_FORMAT_R32_USCALED = 36, + PIPE_FORMAT_R32G32_USCALED = 37, + PIPE_FORMAT_R32G32B32_USCALED = 38, + PIPE_FORMAT_R32G32B32A32_USCALED = 39, + PIPE_FORMAT_R32_SNORM = 40, + PIPE_FORMAT_R32G32_SNORM = 41, + PIPE_FORMAT_R32G32B32_SNORM = 42, + PIPE_FORMAT_R32G32B32A32_SNORM = 43, + PIPE_FORMAT_R32_SSCALED = 44, + PIPE_FORMAT_R32G32_SSCALED = 45, + PIPE_FORMAT_R32G32B32_SSCALED = 46, + PIPE_FORMAT_R32G32B32A32_SSCALED = 47, + PIPE_FORMAT_R16_UNORM = 48, + PIPE_FORMAT_R16G16_UNORM = 49, + PIPE_FORMAT_R16G16B16_UNORM = 50, + PIPE_FORMAT_R16G16B16A16_UNORM = 51, + PIPE_FORMAT_R16_USCALED = 52, + PIPE_FORMAT_R16G16_USCALED = 53, + PIPE_FORMAT_R16G16B16_USCALED = 54, + PIPE_FORMAT_R16G16B16A16_USCALED = 55, + PIPE_FORMAT_R16_SNORM = 56, + PIPE_FORMAT_R16G16_SNORM = 57, + PIPE_FORMAT_R16G16B16_SNORM = 58, + PIPE_FORMAT_R16G16B16A16_SNORM = 59, + PIPE_FORMAT_R16_SSCALED = 60, + PIPE_FORMAT_R16G16_SSCALED = 61, + PIPE_FORMAT_R16G16B16_SSCALED = 62, + PIPE_FORMAT_R16G16B16A16_SSCALED = 63, + PIPE_FORMAT_R8_UNORM = 64, + PIPE_FORMAT_R8G8_UNORM = 65, + PIPE_FORMAT_R8G8B8_UNORM = 66, + PIPE_FORMAT_R8G8B8A8_UNORM = 67, + PIPE_FORMAT_R8G8B8X8_UNORM = 68, + PIPE_FORMAT_R8_USCALED = 69, + PIPE_FORMAT_R8G8_USCALED = 70, + PIPE_FORMAT_R8G8B8_USCALED = 71, + PIPE_FORMAT_R8G8B8A8_USCALED = 72, + PIPE_FORMAT_R8G8B8X8_USCALED = 73, + PIPE_FORMAT_R8_SNORM = 74, + PIPE_FORMAT_R8G8_SNORM = 75, + PIPE_FORMAT_R8G8B8_SNORM = 76, + PIPE_FORMAT_R8G8B8A8_SNORM = 77, + PIPE_FORMAT_R8G8B8X8_SNORM = 78, + PIPE_FORMAT_B6G5R5_SNORM = 79, + PIPE_FORMAT_A8B8G8R8_SNORM = 80, + PIPE_FORMAT_X8B8G8R8_SNORM = 81, + PIPE_FORMAT_R8_SSCALED = 82, + PIPE_FORMAT_R8G8_SSCALED = 83, + PIPE_FORMAT_R8G8B8_SSCALED = 84, + PIPE_FORMAT_R8G8B8A8_SSCALED = 85, + PIPE_FORMAT_R8G8B8X8_SSCALED = 86, + PIPE_FORMAT_R32_FIXED = 87, + PIPE_FORMAT_R32G32_FIXED = 88, + PIPE_FORMAT_R32G32B32_FIXED = 89, + PIPE_FORMAT_R32G32B32A32_FIXED = 90, /* sRGB formats */ - PIPE_FORMAT_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_A8L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ), - 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 ), - PIPE_FORMAT_A8R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ARGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_X8R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_1RGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_B8G8R8A8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGRA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_B8G8R8X8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGR1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), + PIPE_FORMAT_L8_SRGB = 91, + PIPE_FORMAT_A8L8_SRGB = 92, + PIPE_FORMAT_R8G8B8_SRGB = 93, + PIPE_FORMAT_R8G8B8A8_SRGB = 94, + PIPE_FORMAT_R8G8B8X8_SRGB = 95, + PIPE_FORMAT_A8R8G8B8_SRGB = 96, + PIPE_FORMAT_X8R8G8B8_SRGB = 97, + PIPE_FORMAT_B8G8R8A8_SRGB = 98, + PIPE_FORMAT_B8G8R8X8_SRGB = 99, /* mixed formats */ - 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 ), + PIPE_FORMAT_X8UB8UG8SR8S_NORM = 100, + PIPE_FORMAT_B6UG5SR5S_NORM = 101, /* compressed formats */ - PIPE_FORMAT_DXT1_RGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_DXT1_RGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_DXT3_RGBA = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ), - PIPE_FORMAT_DXT5_RGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ), + PIPE_FORMAT_DXT1_RGB = 102, + PIPE_FORMAT_DXT1_RGBA = 103, + PIPE_FORMAT_DXT3_RGBA = 104, + PIPE_FORMAT_DXT5_RGBA = 105, /* sRGB, compressed */ - PIPE_FORMAT_DXT1_SRGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_DXT1_SRGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_DXT3_SRGBA = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB ), - PIPE_FORMAT_DXT5_SRGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB ) + PIPE_FORMAT_DXT1_SRGB = 106, + PIPE_FORMAT_DXT1_SRGBA = 107, + PIPE_FORMAT_DXT3_SRGBA = 108, + PIPE_FORMAT_DXT5_SRGBA = 109, + + PIPE_FORMAT_COUNT }; /** @@ -394,224 +174,6 @@ enum pipe_format { */ extern const char *pf_name( enum pipe_format format ); -/** - * Return bits for a particular component. - * \param comp component index, starting at 0 - */ -static INLINE uint pf_get_component_bits( enum pipe_format format, uint comp ) -{ - uint size; - - if (pf_swizzle_x(format) == comp) { - size = pf_size_x(format); - } - else if (pf_swizzle_y(format) == comp) { - size = pf_size_y(format); - } - else if (pf_swizzle_z(format) == comp) { - size = pf_size_z(format); - } - else if (pf_swizzle_w(format) == comp) { - size = pf_size_w(format); - } - else { - size = 0; - } - if (pf_layout( format ) == PIPE_FORMAT_LAYOUT_RGBAZS) - return size << pf_exp2( format ); - return size << (pf_mixed_scale8( format ) * 3); -} - -/** - * Return total bits needed for the pixel format. - */ -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 ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_R ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_G ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_B ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_A ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_S ); - case PIPE_FORMAT_LAYOUT_YCBCR: - assert( format == PIPE_FORMAT_YCBCR || format == PIPE_FORMAT_YCBCR_REV ); - /* return effective bits per pixel */ - return 16; - default: - assert( 0 ); - return 0; - } -} - -/** - * Return bytes per pixel for the given format. - */ -static INLINE uint pf_get_size( enum pipe_format format ) -{ - assert(pf_get_bits(format) % 8 == 0); - return pf_get_bits(format) / 8; -} - -/** - * Describe accurately the pixel format. - * - * The chars-per-pixel concept falls apart with compressed and yuv images, where - * more than one pixel are coded in a single data block. This structure - * describes that block. - * - * Simple pixel formats are effectively a 1x1xcpp block. - */ -struct pipe_format_block -{ - /** Block size in bytes */ - unsigned size; - - /** Block width in pixels */ - unsigned width; - - /** Block height in pixels */ - unsigned height; -}; - -/** - * Describe pixel format's block. - * - * @sa http://msdn2.microsoft.com/en-us/library/ms796147.aspx - */ -static INLINE void -pf_get_block(enum pipe_format format, struct pipe_format_block *block) -{ - switch(format) { - case PIPE_FORMAT_DXT1_RGBA: - case PIPE_FORMAT_DXT1_RGB: - case PIPE_FORMAT_DXT1_SRGBA: - case PIPE_FORMAT_DXT1_SRGB: - block->size = 8; - block->width = 4; - block->height = 4; - break; - case PIPE_FORMAT_DXT3_RGBA: - case PIPE_FORMAT_DXT5_RGBA: - case PIPE_FORMAT_DXT3_SRGBA: - case PIPE_FORMAT_DXT5_SRGBA: - block->size = 16; - block->width = 4; - block->height = 4; - break; - case PIPE_FORMAT_YCBCR: - case PIPE_FORMAT_YCBCR_REV: - block->size = 4; /* 2*cpp */ - block->width = 2; - block->height = 1; - break; - default: - block->size = pf_get_size(format); - block->width = 1; - block->height = 1; - break; - } -} - -static INLINE unsigned -pf_get_nblocksx(const struct pipe_format_block *block, unsigned x) -{ - return (x + block->width - 1)/block->width; -} - -static INLINE unsigned -pf_get_nblocksy(const struct pipe_format_block *block, unsigned y) -{ - return (y + block->height - 1)/block->height; -} - -static INLINE unsigned -pf_get_nblocks(const struct pipe_format_block *block, unsigned width, unsigned height) -{ - return pf_get_nblocksx(block, width)*pf_get_nblocksy(block, height); -} - -static INLINE size_t -pf_get_stride(const struct pipe_format_block *block, unsigned width) -{ - return pf_get_nblocksx(block, width)*block->size; -} - -static INLINE size_t -pf_get_2d_size(const struct pipe_format_block *block, size_t stride, unsigned height) -{ - return pf_get_nblocksy(block, height)*stride; -} - -static INLINE boolean -pf_is_depth_or_stencil( enum pipe_format format ) -{ - return (pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) + - pf_get_component_bits( format, PIPE_FORMAT_COMP_S )) != 0; -} - -static INLINE boolean -pf_is_depth_and_stencil( enum pipe_format format ) -{ - return (pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) != 0 && - pf_get_component_bits( format, PIPE_FORMAT_COMP_S ) != 0); -} - -/** DEPRECATED: For backwards compatibility */ -static INLINE boolean -pf_is_depth_stencil( enum pipe_format format ) -{ - return pf_is_depth_or_stencil( format ); -} - -static INLINE boolean -pf_is_compressed( enum pipe_format format ) -{ - return pf_layout(format) == PIPE_FORMAT_LAYOUT_DXT ? TRUE : FALSE; -} - -static INLINE boolean -pf_is_ycbcr( enum pipe_format format ) -{ - return pf_layout(format) == PIPE_FORMAT_LAYOUT_YCBCR ? TRUE : FALSE; -} - -static INLINE boolean -pf_has_alpha( enum pipe_format format ) -{ - switch (pf_layout(format)) { - case PIPE_FORMAT_LAYOUT_RGBAZS: - case PIPE_FORMAT_LAYOUT_MIXED: - /* FIXME: pf_get_component_bits( PIPE_FORMAT_A8L8_UNORM, PIPE_FORMAT_COMP_A ) should not return 0 right? */ - if(format == PIPE_FORMAT_A8_UNORM || - format == PIPE_FORMAT_A8L8_UNORM || - format == PIPE_FORMAT_A8L8_SRGB) - return TRUE; - return pf_get_component_bits( format, PIPE_FORMAT_COMP_A ) ? TRUE : FALSE; - case PIPE_FORMAT_LAYOUT_YCBCR: - return FALSE; - case PIPE_FORMAT_LAYOUT_DXT: - switch (format) { - case PIPE_FORMAT_DXT1_RGBA: - case PIPE_FORMAT_DXT3_RGBA: - case PIPE_FORMAT_DXT5_RGBA: - case PIPE_FORMAT_DXT1_SRGBA: - case PIPE_FORMAT_DXT3_SRGBA: - case PIPE_FORMAT_DXT5_SRGBA: - return TRUE; - default: - return FALSE; - } - default: - assert( 0 ); - return FALSE; - } -} enum pipe_video_chroma_format { |