diff options
Diffstat (limited to 'src/mesa/main/texformat_tmp.h')
| -rw-r--r-- | src/mesa/main/texformat_tmp.h | 732 |
1 files changed, 546 insertions, 186 deletions
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 14eb0463abf..061f11daca3 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -17,9 +17,9 @@ /* * Mesa 3-D graphics library - * Version: 5.1 + * Version: 6.1 * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -51,7 +51,7 @@ #define FLOAT_SRC( t, i, j, k ) \ ((GLfloat *)(t)->Data + (i)) -#define FETCH(x) fetch_1d_texel_##x +#define FETCH(x) fetch_texel_1d_##x #elif DIM == 2 @@ -64,7 +64,7 @@ #define FLOAT_SRC( t, i, j, k ) \ ((GLfloat *)(t)->Data + ((t)->RowStride * (j) + (i))) -#define FETCH(x) fetch_2d_texel_##x +#define FETCH(x) fetch_texel_2d_##x #elif DIM == 3 @@ -81,228 +81,477 @@ ((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) * \ (t)->RowStride + (i))) -#define FETCH(x) fetch_3d_texel_##x +#define FETCH(x) fetch_texel_3d_##x #else #error illegal number of texture dimensions #endif +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - COPY_CHAN4( rgba, src ); + COPY_CHAN4( texel, src ); } +/* Fetch color 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 ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = CHAN_TO_FLOAT(src[0]); + texel[GCOMP] = CHAN_TO_FLOAT(src[1]); + texel[BCOMP] = CHAN_TO_FLOAT(src[2]); + texel[ACOMP] = CHAN_TO_FLOAT(src[3]); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch color 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 ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 3 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = src[0]; - rgba[GCOMP] = src[1]; - rgba[BCOMP] = src[2]; - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = CHAN_TO_FLOAT(src[0]); + texel[GCOMP] = CHAN_TO_FLOAT(src[1]); + texel[BCOMP] = CHAN_TO_FLOAT(src[2]); + texel[ACOMP] = CHAN_MAXF; } +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + texel[ACOMP] = src[0]; +} + +/* Fetch color texel from 1D, 2D or 3D ALPHA texture, returning 4 GLfloats */ +static void FETCH(f_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = 0; - rgba[GCOMP] = 0; - rgba[BCOMP] = 0; - rgba[ACOMP] = src[0]; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0; + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); } +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch color texel from 1D, 2D or 3D LUMIN texture, returning 4 GLchans */ +static void FETCH(f_luminance)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = src[0]; - rgba[GCOMP] = src[0]; - rgba[BCOMP] = src[0]; - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_MAXF; } +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[0]; + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +/* Fetch color texel from 1D, 2D or 3D L_A texture, returning 4 GLfloats */ +static void FETCH(f_luminance_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 2 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = src[0]; - rgba[GCOMP] = src[0]; - rgba[BCOMP] = src[0]; - rgba[ACOMP] = src[1]; + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_TO_FLOAT(src[1]); } + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = src[0]; - rgba[GCOMP] = src[0]; - rgba[BCOMP] = src[0]; - rgba[ACOMP] = src[0]; + texel[RCOMP] = src[0]; + texel[GCOMP] = src[0]; + texel[BCOMP] = src[0]; + texel[ACOMP] = src[0]; } +/* Fetch color texel from 1D, 2D or 3D INT. texture, returning 4 GLfloats */ +static void FETCH(f_intensity)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); +} + + +/* Fetch CI texel from 1D, 2D or 3D CI texture, returning 1 GLchan */ static void FETCH(color_index)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); GLchan *index = (GLchan *) texel; - *index = *src; + index[0] = src[0]; +} + +/* Fetch CI texel from 1D, 2D or 3D CI texture, returning 1 GLfloat */ +static void FETCH(f_color_index)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[0] = (GLfloat) src[0]; } + +#if 000 +/* Fetch depth texel from 1D, 2D or 3D DEPTH texture, returning 1 GLfloat */ static void FETCH(depth_component)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { +#if 0 const GLfloat *src = FLOAT_SRC( texImage, i, j, k ); GLfloat *depth = (GLfloat *) texel; - *depth = *src; + depth[0] = src[0]; +#else + _mesa_problem(NULL, "fetching depth component as non-float!"); +#endif } +#endif + +/* Fetch depth texel from 1D, 2D or 3D DEPTH texture, returning 1 GLfloat */ +static void FETCH(f_depth_component)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k ); + texel[0] = src[0]; +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[3] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = UBYTE_TO_CHAN( src[3] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); } +/* Fetch color 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 GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = UBYTE_TO_FLOAT( src[3] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[3] ); + texel[RCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[3] ); } +/* Fetch color texel from 1D, 2D or 3D argb8888 texture, return 4 GLfloats */ +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = UBYTE_TO_FLOAT( src[3] ); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( 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; +} + +/* Fetch color texel from 1D, 2D or 3D rgb888 texture, return 4 GLfloats */ +static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[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] = CHAN_MAXF; } + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch color texel from 1D, 2D or 3D rgb565 texture, return 4 GLfloats */ +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); - rgba[ACOMP] = CHAN_MAX; + /* xxx fixup */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) * 255 / 0xf8 ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) * 255 / 0xfc ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) * 255 / 0xf8 ); + texel[ACOMP] = CHAN_MAXF; } + +/* Fetch color texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ static void FETCH(argb4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); +} + +/* Fetch color texel from 1D, 2D or 3D rgb565 texture, return 4 GLfloats */ +static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); - rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); + /* xxx fixup */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf) * 255 / 0xf ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 4) & 0xf) * 255 / 0xf ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s ) & 0xf) * 255 / 0xf ); + texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 12) & 0xf) * 255 / 0xf ); } + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); - rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); } +/* Fetch color texel from 1D, 2D or 3D argb1555 texture, return 4 GLfloats */ +static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + /* xxx better */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 10) & 0x1f) * 255 / 0x1f ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 5) & 0x1f) * 255 / 0x1f ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s ) & 0x1f) * 255 / 0x1f ); + texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 ); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[1] ); +} + +/* Fetch color texel from 1D, 2D or 3D al88 texture, return 4 GLfloats */ +static void FETCH(f_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 2 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[1] ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = UBYTE_TO_FLOAT( src[1] ); } + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); const GLubyte s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 5) & 0xc0) * 255 / 0xc0 ); - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 5) & 0xc0) * 255 / 0xc0 ); + texel[ACOMP] = CHAN_MAX; } +/* Fetch color texel from 1D, 2D or 3D rgb332 texture, return 4 GLfloats */ +static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + const GLubyte s = *src; + /* xxx improve */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s ) & 0xe0) * 255 / 0xe0 ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xe0) * 255 / 0xe0 ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 5) & 0xc0) * 255 / 0xc0 ); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = 0; - rgba[GCOMP] = 0; - rgba[BCOMP] = 0; - rgba[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = 0; + texel[GCOMP] = 0; + texel[BCOMP] = 0; + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); } +/* Fetch color texel from 1D, 2D or 3D a8 texture, return 4 GLfloats */ +static void FETCH(f_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = CHAN_MAX; } +/* Fetch color texel from 1D, 2D or 3D l8 texture, return 4 GLfloats */ +static void FETCH(f_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); +} + +/* Fetch color texel from 1D, 2D or 3D i8 texture, return 4 GLfloats */ +static void FETCH(f_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); } + +/* Fetch color texel from 1D, 2D or 3D ci8 texture, return 1 GLchan */ static void FETCH(ci8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); GLchan *index = (GLchan *) texel; *index = UBYTE_TO_CHAN( *src ); } + +/* Fetch color texel from 1D, 2D or 3D ci8 texture, return 1 GLfloat */ +static void FETCH(f_ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[0] = UBYTE_TO_FLOAT( *src ); +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ const GLushort *src1 = src0 + 1; /* odd */ @@ -310,7 +559,6 @@ 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 */ - GLchan *rgba = (GLchan *) texel; GLint r, g, b; if (i & 1) { /* odd pixel: use y1,cr,cb */ @@ -324,15 +572,53 @@ static void FETCH(ycbcr)( const struct gl_texture_image *texImage, g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); } - rgba[RCOMP] = CLAMP(r, 0, CHAN_MAX); - rgba[GCOMP] = CLAMP(g, 0, CHAN_MAX); - rgba[BCOMP] = CLAMP(b, 0, CHAN_MAX); - rgba[ACOMP] = CHAN_MAX; + 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; } +/* Fetch color 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 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ + const GLubyte cb = *src0 & 0xff; /* chroma U */ + const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ + const GLubyte cr = *src1 & 0xff; /* chroma V */ + GLfloat r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y0-16) + 2.018 * (cb-128)); + } + /* XXX remove / 255 here by tweaking arithmetic above */ + r /= 255.0; + g /= 255.0; + b /= 255.0; + /* XXX should we really clamp??? */ + texel[RCOMP] = CLAMP(r, 0.0, 1.0); + texel[GCOMP] = CLAMP(g, 0.0, 1.0); + texel[BCOMP] = CLAMP(b, 0.0, 1.0); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch color 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, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ const GLushort *src1 = src0 + 1; /* odd */ @@ -340,7 +626,6 @@ 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 */ - GLchan *rgba = (GLchan *) texel; GLint r, g, b; if (i & 1) { /* odd pixel: use y1,cr,cb */ @@ -354,72 +639,155 @@ static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage, g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); } - rgba[RCOMP] = CLAMP(r, 0, CHAN_MAX); - rgba[GCOMP] = CLAMP(g, 0, CHAN_MAX); - rgba[BCOMP] = CLAMP(b, 0, CHAN_MAX); - rgba[ACOMP] = CHAN_MAX; + 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; +} + +/* Fetch color texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats */ +/* We convert YCbCr to RGB here */ +/* XXX this may break if GLchan != GLubyte */ +static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = *src0 & 0xff; /* luminance */ + const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ + const GLubyte y1 = *src1 & 0xff; /* luminance */ + const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ + GLfloat r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y0-16) + 2.018 * (cb-128)); + } + /* XXX remove / 255 here by tweaking arithmetic above */ + r /= 255.0; + g /= 255.0; + b /= 255.0; + /* XXX should we really clamp??? */ + texel[RCOMP] = CLAMP(r, 0.0, 1.0); + texel[GCOMP] = CLAMP(g, 0.0, 1.0); + texel[BCOMP] = CLAMP(b, 0.0, 1.0); + texel[ACOMP] = CHAN_MAXF; } -#if DIM == 2 +#if DIM == 2 /* Only 2D compressed textures possible */ + static void FETCH(rgb_fxt1)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + +static void FETCH(f_rgb_fxt1)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } -#endif -#if DIM == 2 static void FETCH(rgba_fxt1)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } -#endif +static void FETCH(f_rgba_fxt1)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + +#endif /* if DIM == 2 */ + + +#if DIM == 2 /* only 2D is valid */ -#if DIM == 2 static void FETCH(rgb_dxt1)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } -#endif -#if DIM == 2 +static void FETCH(f_rgb_dxt1)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + + static void FETCH(rgba_dxt1)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } -#endif -#if DIM == 2 +static void FETCH(f_rgba_dxt1)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + + static void FETCH(rgba_dxt3)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } -#endif -#if DIM == 2 +static void FETCH(f_rgba_dxt3)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + + static void FETCH(rgba_dxt5)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { /* Extract the (i,j) pixel from texImage->Data and return it * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. */ } + +static void FETCH(f_rgba_dxt5)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* Extract the (i,j) pixel from texImage->Data and return it + * in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP]. + */ +} + #endif @@ -428,95 +796,87 @@ static void FETCH(rgba_dxt5)( const struct gl_texture_image *texImage, #if 0 static void FETCH(abgr8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[3] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = UBYTE_TO_CHAN( src[3] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); } static void FETCH(bgra8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[3] ); + texel[RCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[3] ); } static void FETCH(bgr888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[2] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[1] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = CHAN_MAX; + 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; } static void FETCH(bgr565)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); + texel[ACOMP] = CHAN_MAX; } static void FETCH(bgra4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); - rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); } static void FETCH(bgra5551)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLushort *src = USHORT_SRC( texImage, i, j, k ); const GLushort s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); - rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); } static void FETCH(la88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 2 ); - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[GCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[BCOMP] = UBYTE_TO_CHAN( src[0] ); - rgba[ACOMP] = UBYTE_TO_CHAN( src[1] ); + texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = UBYTE_TO_CHAN( src[1] ); } static void FETCH(bgr233)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); const GLubyte s = *src; - GLchan *rgba = (GLchan *) texel; - rgba[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 ); - rgba[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 ); - rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 5) & 0xc0) * 255 / 0xc0 ); - rgba[ACOMP] = CHAN_MAX; + texel[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 5) & 0xc0) * 255 / 0xc0 ); + texel[ACOMP] = CHAN_MAX; } #endif |