diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2009-01-20 11:12:17 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2009-01-20 11:12:17 +0100 |
| commit | dbda49a9e65f684ca46c7af84cc52d63b0622978 (patch) | |
| tree | 8b95b5b4a3645544761f7748157119651ee1a21f /src/mesa/main/texformat_tmp.h | |
| parent | 11351f0c8a88ae84ec397c7f9abb4a83c64b2cfc (diff) | |
Add RGBA4444 and RGBA5551 texture formats.
Diffstat (limited to 'src/mesa/main/texformat_tmp.h')
| -rw-r--r-- | src/mesa/main/texformat_tmp.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 7499ba7b36e..197593df742 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -803,6 +803,30 @@ static void store_texel_rgb565_rev(struct gl_texture_image *texImage, } #endif +/* MESA_FORMAT_RGBA4444 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ +static void FETCH(rgba4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) | ((s >> 8) & 0xf0) ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) | ((s >> 4) & 0xf0) ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) | ((s ) & 0xf0) ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) | ((s << 4) & 0xf0) ); +} + +#if DIM == 3 +static void store_texel_rgba4444(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_4444(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + /* MESA_FORMAT_ARGB4444 ******************************************************/ @@ -852,6 +876,29 @@ static void store_texel_argb4444_rev(struct gl_texture_image *texImage, } #endif +/* MESA_FORMAT_RGBA5551 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(rgba5551)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xf8) | ((s >> 8) & 0x7) ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 2) & 0xf8) | ((s >> 3) & 0x7) ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s) & 0x01) ? 255 : 0); +} + +#if DIM == 3 +static void store_texel_rgba5551(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif /* MESA_FORMAT_ARGB1555 ******************************************************/ |