X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexformat_tmp.h;h=eb160deff939dab4084b5a8038c8af9d8f59183a;hb=0491142152dcc61ebe0b46b05c94957e54c44bd9;hp=7499ba7b36ed308b1213a84d288ecc17d270456e;hpb=0c31661e73dd2979df22a275452efc71c7064f81;p=mesa.git diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 7499ba7b36e..eb160deff93 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -3,6 +3,7 @@ * Version: 6.5.1 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (c) 2008 VMware, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -71,14 +72,6 @@ /* MESA_FORMAT_RGBA **********************************************************/ -/* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLchans */ -static void FETCH(rgba)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) -{ - const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 4); - COPY_CHAN4( texel, src ); -} - /* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLfloats */ static void FETCH(f_rgba)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) @@ -106,17 +99,6 @@ static void store_texel_rgba(struct gl_texture_image *texImage, /* MESA_FORMAT_RGB ***********************************************************/ -/* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLchans */ -static void FETCH(rgb)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) -{ - const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 3); - texel[RCOMP] = src[0]; - texel[GCOMP] = src[1]; - texel[BCOMP] = src[2]; - texel[ACOMP] = CHAN_MAX; -} - /* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLfloats */ static void FETCH(f_rgb)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) @@ -143,14 +125,14 @@ static void store_texel_rgb(struct gl_texture_image *texImage, /* MESA_FORMAT_ALPHA *********************************************************/ /* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLchans */ -static void FETCH(alpha)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = 0; - texel[ACOMP] = src[0]; + texel[BCOMP] = 0.0F; + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); } #if DIM == 3 @@ -166,14 +148,14 @@ static void store_texel_alpha(struct gl_texture_image *texImage, /* MESA_FORMAT_LUMINANCE *****************************************************/ /* Fetch texel from 1D, 2D or 3D LUMIN texture, returning 4 GLchans */ -static void FETCH(luminance)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_luminance)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = src[0]; - texel[ACOMP] = CHAN_MAX; + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -189,14 +171,14 @@ static void store_texel_luminance(struct gl_texture_image *texImage, /* MESA_FORMAT_LUMINANCE_ALPHA ***********************************************/ /* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLchans */ -static void FETCH(luminance_alpha)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_luminance_alpha)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) { const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 2); - texel[RCOMP] = src[0]; - texel[GCOMP] = src[0]; - texel[BCOMP] = src[0]; - texel[ACOMP] = src[1]; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_TO_FLOAT(src[1]); } #if DIM == 3 @@ -213,14 +195,14 @@ static void store_texel_luminance_alpha(struct gl_texture_image *texImage, /* MESA_FORMAT_INTENSITY *****************************************************/ /* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLchans */ -static void FETCH(intensity)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_intensity)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); - texel[RCOMP] = src[0]; - texel[GCOMP] = src[0]; - texel[BCOMP] = src[0]; - texel[ACOMP] = src[0]; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); } #if DIM == 3 @@ -605,17 +587,19 @@ static void store_texel_intensity_f16(struct gl_texture_image *texImage, /* MESA_FORMAT_RGBA8888 ******************************************************/ -/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLchans */ -static void FETCH(rgba8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */ +static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_CHAN( (s >> 24) ); - texel[GCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); - texel[BCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); - texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); } + + #if DIM == 3 static void store_texel_rgba8888(struct gl_texture_image *texImage, GLint i, GLint j, GLint k, const void *texel) @@ -630,14 +614,14 @@ static void store_texel_rgba8888(struct gl_texture_image *texImage, /* MESA_FORMAT_RGBA888_REV ***************************************************/ /* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ -static void FETCH(rgba8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); - texel[GCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); - texel[BCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); - texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); } #if DIM == 3 @@ -654,14 +638,14 @@ static void store_texel_rgba8888_rev(struct gl_texture_image *texImage, /* MESA_FORMAT_ARGB8888 ******************************************************/ /* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ -static void FETCH(argb8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); - texel[GCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); - texel[BCOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); - texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); } #if DIM == 3 @@ -677,15 +661,15 @@ static void store_texel_argb8888(struct gl_texture_image *texImage, /* MESA_FORMAT_ARGB8888_REV **************************************************/ -/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLchans */ -static void FETCH(argb8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); - texel[GCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); - texel[BCOMP] = UBYTE_TO_CHAN( (s >> 24) ); - texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); } #if DIM == 3 @@ -694,7 +678,7 @@ static void store_texel_argb8888_rev(struct gl_texture_image *texImage, { const GLubyte *rgba = (const GLubyte *) texel; GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]); } #endif @@ -702,14 +686,14 @@ static void store_texel_argb8888_rev(struct gl_texture_image *texImage, /* MESA_FORMAT_RGB888 ********************************************************/ /* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ -static void FETCH(rgb888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = UBYTE_TO_CHAN( src[2] ); - texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); - texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -718,9 +702,9 @@ static void store_texel_rgb888(struct gl_texture_image *texImage, { const GLubyte *rgba = (const GLubyte *) texel; GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[RCOMP]; + dst[0] = rgba[BCOMP]; dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; + dst[2] = rgba[RCOMP]; } #endif @@ -728,14 +712,14 @@ static void store_texel_rgb888(struct gl_texture_image *texImage, /* MESA_FORMAT_BGR888 ********************************************************/ /* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ -static void FETCH(bgr888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_bgr888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); - texel[BCOMP] = UBYTE_TO_CHAN( src[2] ); - texel[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -744,9 +728,9 @@ static void store_texel_bgr888(struct gl_texture_image *texImage, { const GLubyte *rgba = (const GLubyte *) texel; GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[BCOMP]; + dst[0] = rgba[RCOMP]; dst[1] = rgba[GCOMP]; - dst[2] = rgba[RCOMP]; + dst[2] = rgba[BCOMP]; } #endif @@ -757,15 +741,15 @@ static void store_texel_bgr888(struct gl_texture_image *texImage, /* MESA_FORMAT_RGB565 ********************************************************/ /* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ -static void FETCH(rgb565)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *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) & 0xfc) | ((s >> 9) & 0x3) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = CHAN_MAX; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -782,15 +766,15 @@ static void store_texel_rgb565(struct gl_texture_image *texImage, /* MESA_FORMAT_RGB565_REV ****************************************************/ /* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ -static void FETCH(rgb565_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ - texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); - texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -803,19 +787,43 @@ 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(f_rgba4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s ) & 0xf) * (1.0F / 15.0F); +} + +#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 ******************************************************/ /* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ -static void FETCH(argb4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); const GLushort s = *src; - texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) | ((s >> 4) & 0xf0) ); - texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) | ((s ) & 0xf0) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) | ((s << 4) & 0xf0) ); - texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) | ((s >> 8) & 0xf0) ); + texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); } #if DIM == 3 @@ -824,7 +832,7 @@ static void store_texel_argb4444(struct gl_texture_image *texImage, { 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]); + *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); } #endif @@ -832,14 +840,14 @@ static void store_texel_argb4444(struct gl_texture_image *texImage, /* MESA_FORMAT_ARGB4444_REV **************************************************/ /* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ -static void FETCH(argb4444_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) | ((s << 4) & 0xf0) ); - texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) | ((s >> 8) & 0xf0) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) | ((s >> 4) & 0xf0) ); - texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) | ((s ) & 0xf0) ); + texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); } #if DIM == 3 @@ -852,19 +860,42 @@ 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(f_rgba5551)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s ) & 0x01) * 1.0F; +} + +#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 ******************************************************/ /* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ -static void FETCH(argb1555)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); const GLushort s = *src; - texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); - texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); + texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 0) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F; } #if DIM == 3 @@ -881,15 +912,15 @@ static void store_texel_argb1555(struct gl_texture_image *texImage, /* MESA_FORMAT_ARGB1555_REV **************************************************/ /* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ -static void FETCH(argb1555_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ - texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); - texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); - texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 ); } #if DIM == 3 @@ -906,14 +937,14 @@ static void store_texel_argb1555_rev(struct gl_texture_image *texImage, /* MESA_FORMAT_AL88 **********************************************************/ /* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ -static void FETCH(al88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_CHAN( s & 0xff ); - texel[ACOMP] = UBYTE_TO_CHAN( s >> 8 ); + texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); } #if DIM == 3 @@ -930,14 +961,14 @@ static void store_texel_al88(struct gl_texture_image *texImage, /* MESA_FORMAT_AL88_REV ******************************************************/ /* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ -static void FETCH(al88_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_CHAN( s >> 8 ); - texel[ACOMP] = UBYTE_TO_CHAN( s & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); } #if DIM == 3 @@ -954,17 +985,15 @@ static void store_texel_al88_rev(struct gl_texture_image *texImage, /* MESA_FORMAT_RGB332 ********************************************************/ /* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ -static void FETCH(rgb332)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { - static const GLubyte lut2to8[4] = {0, 85, 170, 255}; - static const GLubyte lut3to8[8] = {0, 36, 73, 109, 146, 182, 219, 255}; const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); const GLubyte s = *src; - texel[RCOMP] = UBYTE_TO_CHAN( lut3to8[(s >> 5) & 0x7] ); - texel[GCOMP] = UBYTE_TO_CHAN( lut3to8[(s >> 2) & 0x7] ); - texel[BCOMP] = UBYTE_TO_CHAN( lut2to8[(s ) & 0x3] ); - texel[ACOMP] = CHAN_MAX; + texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F); + texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F); + texel[BCOMP] = ((s ) & 0x3) * (1.0F / 3.0F); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -981,14 +1010,14 @@ static void store_texel_rgb332(struct gl_texture_image *texImage, /* MESA_FORMAT_A8 ************************************************************/ /* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ -static void FETCH(a8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = 0; - texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[BCOMP] = 0.0F; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); } #if DIM == 3 @@ -1005,14 +1034,14 @@ static void store_texel_a8(struct gl_texture_image *texImage, /* MESA_FORMAT_L8 ************************************************************/ /* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ -static void FETCH(l8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[ACOMP] = CHAN_MAX; + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -1029,14 +1058,14 @@ static void store_texel_l8(struct gl_texture_image *texImage, /* MESA_FORMAT_I8 ************************************************************/ /* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ -static void FETCH(i8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); texel[RCOMP] = texel[GCOMP] = texel[BCOMP] = - texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); } #if DIM == 3 @@ -1055,12 +1084,11 @@ static void store_texel_i8(struct gl_texture_image *texImage, /* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a * color table, and return 4 GLchans. */ -static void FETCH(ci8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +static void FETCH(f_ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); const struct gl_color_table *palette; - GLubyte texelUB[4]; GLuint index; GET_CURRENT_CONTEXT(ctx); @@ -1077,61 +1105,48 @@ static void FETCH(ci8)( const struct gl_texture_image *texImage, index = (*src) & (palette->Size - 1); { - const GLubyte *table = palette->TableUB; + const GLfloat *table = palette->TableF; switch (palette->_BaseFormat) { case GL_ALPHA: - texelUB[RCOMP] = - texelUB[GCOMP] = - texelUB[BCOMP] = 0; - texelUB[ACOMP] = table[index]; - break;; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = table[index]; + break; case GL_LUMINANCE: - texelUB[RCOMP] = - texelUB[GCOMP] = - texelUB[BCOMP] = table[index]; - texelUB[ACOMP] = 255; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index]; + texel[ACOMP] = 1.0F; break; case GL_INTENSITY: - texelUB[RCOMP] = - texelUB[GCOMP] = - texelUB[BCOMP] = - texelUB[ACOMP] = table[index]; - break;; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = table[index]; + break; case GL_LUMINANCE_ALPHA: - texelUB[RCOMP] = - texelUB[GCOMP] = - texelUB[BCOMP] = table[index * 2 + 0]; - texelUB[ACOMP] = table[index * 2 + 1]; - break;; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index * 2 + 0]; + texel[ACOMP] = table[index * 2 + 1]; + break; case GL_RGB: - texelUB[RCOMP] = table[index * 3 + 0]; - texelUB[GCOMP] = table[index * 3 + 1]; - texelUB[BCOMP] = table[index * 3 + 2]; - texelUB[ACOMP] = 255; - break;; + texel[RCOMP] = table[index * 3 + 0]; + texel[GCOMP] = table[index * 3 + 1]; + texel[BCOMP] = table[index * 3 + 2]; + texel[ACOMP] = 1.0F; + break; case GL_RGBA: - texelUB[RCOMP] = table[index * 4 + 0]; - texelUB[GCOMP] = table[index * 4 + 1]; - texelUB[BCOMP] = table[index * 4 + 2]; - texelUB[ACOMP] = table[index * 4 + 3]; - break;; + texel[RCOMP] = table[index * 4 + 0]; + texel[GCOMP] = table[index * 4 + 1]; + texel[BCOMP] = table[index * 4 + 2]; + texel[ACOMP] = table[index * 4 + 3]; + break; default: _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); return; } -#if CHAN_TYPE == GL_UNSIGNED_BYTE - COPY_4UBV(texel, texelUB); -#elif CHAN_TYPE == GL_UNSIGNED_SHORT - texel[0] = UBYTE_TO_USHORT(texelUB[0]); - texel[1] = UBYTE_TO_USHORT(texelUB[1]); - texel[2] = UBYTE_TO_USHORT(texelUB[2]); - texel[3] = UBYTE_TO_USHORT(texelUB[3]); -#else - texel[0] = UBYTE_TO_FLOAT(texelUB[0]); - texel[1] = UBYTE_TO_FLOAT(texelUB[1]); - texel[2] = UBYTE_TO_FLOAT(texelUB[2]); - texel[3] = UBYTE_TO_FLOAT(texelUB[3]); -#endif } } @@ -1149,14 +1164,15 @@ static void store_texel_ci8(struct gl_texture_image *texImage, #if FEATURE_EXT_texture_sRGB /* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */ +/* Note: component order is same as for MESA_FORMAT_RGB888 */ static void FETCH(srgb8)(const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = nonlinear_to_linear(src[0]); + texel[RCOMP] = nonlinear_to_linear(src[2]); texel[GCOMP] = nonlinear_to_linear(src[1]); - texel[BCOMP] = nonlinear_to_linear(src[2]); - texel[ACOMP] = CHAN_MAX; + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -1165,9 +1181,9 @@ static void store_texel_srgb8(struct gl_texture_image *texImage, { const GLubyte *rgba = (const GLubyte *) texel; GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[RCOMP]; /* no conversion */ + dst[0] = rgba[BCOMP]; /* no conversion */ dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; + dst[2] = rgba[RCOMP]; } #endif @@ -1175,11 +1191,11 @@ static void store_texel_srgb8(struct gl_texture_image *texImage, static void FETCH(srgba8)(const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); - texel[RCOMP] = nonlinear_to_linear(src[0]); - texel[GCOMP] = nonlinear_to_linear(src[1]); - texel[BCOMP] = nonlinear_to_linear(src[2]); - texel[ACOMP] = UBYTE_TO_FLOAT(src[3]); /* linear! */ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 24) ); + texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); /* linear! */ } #if DIM == 3 @@ -1187,10 +1203,29 @@ static void store_texel_srgba8(struct gl_texture_image *texImage, GLint i, GLint j, GLint k, const void *texel) { const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */ +static void FETCH(sargb8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[GCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */ +} + +#if DIM == 3 +static void store_texel_sargb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); } #endif @@ -1202,7 +1237,7 @@ static void FETCH(sl8)(const struct gl_texture_image *texImage, texel[RCOMP] = texel[GCOMP] = texel[BCOMP] = nonlinear_to_linear(src[0]); - texel[ACOMP] = CHAN_MAX; + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -1237,19 +1272,74 @@ static void store_texel_sla8(struct gl_texture_image *texImage, } #endif +#endif /* FEATURE_EXT_texture_sRGB */ -#endif /* FEATURE_EXT_texture_sRGB */ +/* MESA_FORMAT_DUDV8 ********************************************************/ + +/* this format by definition produces 0,0,0,1 as rgba values, + however we'll return the dudv values as rg and fix up elsewhere */ +static void FETCH(dudv8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2); + texel[RCOMP] = BYTE_TO_FLOAT(src[0]); + texel[GCOMP] = BYTE_TO_FLOAT(src[1]); + texel[BCOMP] = 0; + texel[ACOMP] = 0; +} + +/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/ + +static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (s >> 24) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (s >> 16) & 0xff ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (s >> 8) & 0xff ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (s ) & 0xff ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (s ) & 0xff ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (s >> 8) & 0xff ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (s >> 16) & 0xff ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif /* MESA_FORMAT_YCBCR *********************************************************/ -/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLchans */ -/* We convert YCbCr to RGB here */ -/* XXX this may break if GLchan != GLubyte */ -static void FETCH(ycbcr)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ const GLushort *src1 = src0 + 1; /* odd */ @@ -1257,23 +1347,17 @@ static void FETCH(ycbcr)( const struct gl_texture_image *texImage, const GLubyte cb = *src0 & 0xff; /* chroma U */ const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ const GLubyte cr = *src1 & 0xff; /* chroma V */ - GLint r, g, b; - if (i & 1) { - /* odd pixel: use y1,cr,cb */ - r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128)); - g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); - b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128)); - } - else { - /* even pixel: use y0,cr,cb */ - r = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128)); - g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); - b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); - } - texel[RCOMP] = CLAMP(r, 0, CHAN_MAX); - texel[GCOMP] = CLAMP(g, 0, CHAN_MAX); - texel[BCOMP] = CLAMP(b, 0, CHAN_MAX); - texel[ACOMP] = CHAN_MAX; + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; } #if DIM == 3 @@ -1292,11 +1376,11 @@ static void store_texel_ycbcr(struct gl_texture_image *texImage, /* MESA_FORMAT_YCBCR_REV *****************************************************/ -/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLchans */ -/* We convert YCbCr to RGB here */ -/* XXX this may break if GLchan != GLubyte */ -static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ const GLushort *src1 = src0 + 1; /* odd */ @@ -1304,23 +1388,17 @@ static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage, const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ const GLubyte y1 = *src1 & 0xff; /* luminance */ const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ - GLint r, g, b; - if (i & 1) { - /* odd pixel: use y1,cr,cb */ - r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128)); - g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); - b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128)); - } - else { - /* even pixel: use y0,cr,cb */ - r = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128)); - g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); - b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); - } - texel[RCOMP] = CLAMP(r, 0, CHAN_MAX); - texel[GCOMP] = CLAMP(g, 0, CHAN_MAX); - texel[BCOMP] = CLAMP(b, 0, CHAN_MAX); - texel[ACOMP] = CHAN_MAX; + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; } #if DIM == 3