diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-06-23 17:13:14 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-06-23 17:13:14 -0600 |
| commit | 89e9d6b6db933c870443714c3d7c9539d117cddf (patch) | |
| tree | 65593827b5ddc76cab81e5dca227819928eff6e4 /src/gallium | |
| parent | dc73d15a9a1cc830781f8f3ef81507bfff79b7f9 (diff) | |
gallium: added support for fixed-point formats, drawing
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/translate/translate_generic.c | 18 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_format.h | 5 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/translate/translate_generic.c b/src/gallium/auxiliary/translate/translate_generic.c index 3fec89b36e..17e37d1745 100644 --- a/src/gallium/auxiliary/translate/translate_generic.c +++ b/src/gallium/auxiliary/translate/translate_generic.c @@ -121,6 +121,8 @@ emit_##NAME(const float *attrib, void *ptr) \ #define FROM_16_SNORM(i) ((float) ((short *) ptr)[i] / 32767.0f) #define FROM_32_SNORM(i) ((float) ((int *) ptr)[i] / 2147483647.0f) +#define FROM_32_FIXED(i) (((int *) ptr)[i] / 65536.0) + #define TO_64_FLOAT(x) ((double) x) #define TO_32_FLOAT(x) (x) @@ -140,6 +142,8 @@ emit_##NAME(const float *attrib, void *ptr) \ #define TO_16_SNORM(x) ((short) (x * 32767.0f)) #define TO_32_SNORM(x) ((int) (x * 2147483647.0f)) +#define TO_32_FIXED(x) ((int) (x * 65536.0f)) + ATTRIB( R64G64B64A64_FLOAT, 4, double, FROM_64_FLOAT, TO_64_FLOAT ) @@ -215,6 +219,11 @@ ATTRIB( R8_SNORM, 1, char, FROM_8_SNORM, TO_8_SNORM ) ATTRIB( A8R8G8B8_UNORM, 4, ubyte, FROM_8_UNORM, TO_8_UNORM ) //ATTRIB( R8G8B8A8_UNORM, 4, ubyte, FROM_8_UNORM, TO_8_UNORM ) +ATTRIB( R32G32B32A32_FIXED, 4, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32G32B32_FIXED, 3, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32G32_FIXED, 2, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32_FIXED, 1, int, FROM_32_FIXED, TO_32_FIXED ) + static void @@ -386,6 +395,15 @@ static fetch_func get_fetch_func( enum pipe_format format ) case PIPE_FORMAT_B8G8R8A8_UNORM: return &fetch_B8G8R8A8_UNORM; + case PIPE_FORMAT_R32_FIXED: + return &fetch_R32_FIXED; + case PIPE_FORMAT_R32G32_FIXED: + return &fetch_R32G32_FIXED; + case PIPE_FORMAT_R32G32B32_FIXED: + return &fetch_R32G32B32_FIXED; + case PIPE_FORMAT_R32G32B32A32_FIXED: + return &fetch_R32G32B32A32_FIXED; + default: assert(0); return &fetch_NULL; diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index 579fdb2957..00aa02311c 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -83,6 +83,7 @@ static INLINE uint pf_layout(uint f) /**< PIPE_FORMAT_LAYOUT_ */ #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 */ /** @@ -353,6 +354,10 @@ enum pipe_format { 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 ), /* sRGB formats */ PIPE_FORMAT_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ), PIPE_FORMAT_A8_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), |