X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexformat_tmp.h;h=eb160deff939dab4084b5a8038c8af9d8f59183a;hb=0491142152dcc61ebe0b46b05c94957e54c44bd9;hp=35f89d549365b443e5c2e45b9dd32d1647e58f88;hpb=c5b995066020191982b2315fc45d05e068eee761;p=mesa.git diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 35f89d54936..eb160deff93 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -1,10 +1,9 @@ -/* $Id: texformat_tmp.h,v 1.7 2002/09/21 16:51:25 brianp Exp $ */ - /* * Mesa 3-D graphics library - * Version: 4.1 + * Version: 6.5.1 * - * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * 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"), @@ -22,433 +21,1454 @@ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texformat_tmp.h + * Texel fetch functions template. + * + * This template file is used by texformat.c to generate texel fetch functions + * for 1-D, 2-D and 3-D texture images. * - * Author: - * Gareth Hughes + * It should be expanded by defining \p DIM as the number texture dimensions + * (1, 2 or 3). According to the value of \p DIM a series of macros is defined + * for the texel lookup in the gl_texture_image::Data. + * + * \sa texformat.c and FetchTexel. + * + * \author Gareth Hughes + * \author Brian Paul */ + #if DIM == 1 -#define CHAN_SRC( t, i, j, k, sz ) \ - ((GLchan *)(t)->Data + (i) * (sz)) -#define UBYTE_SRC( t, i, j, k, sz ) \ - ((GLubyte *)(t)->Data + (i) * (sz)) -#define USHORT_SRC( t, i, j, k ) \ - ((GLushort *)(t)->Data + (i)) -#define FLOAT_SRC( t, i, j, k ) \ - ((GLfloat *)(t)->Data + (i)) +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size))) -#define FETCH(x) fetch_1d_texel_##x +#define FETCH(x) fetch_texel_1d_##x #elif DIM == 2 -#define CHAN_SRC( t, i, j, k, sz ) \ - ((GLchan *)(t)->Data + ((t)->Width * (j) + (i)) * (sz)) -#define UBYTE_SRC( t, i, j, k, sz ) \ - ((GLubyte *)(t)->Data + ((t)->Width * (j) + (i)) * (sz)) -#define USHORT_SRC( t, i, j, k ) \ - ((GLushort *)(t)->Data + ((t)->Width * (j) + (i))) -#define FLOAT_SRC( t, i, j, k ) \ - ((GLfloat *)(t)->Data + ((t)->Width * (j) + (i))) +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (k), \ + ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size))) -#define FETCH(x) fetch_2d_texel_##x +#define FETCH(x) fetch_texel_2d_##x #elif DIM == 3 -#define CHAN_SRC( t, i, j, k, sz ) \ - (GLchan *)(t)->Data + (((t)->Height * (k) + (j)) * \ - (t)->Width + (i)) * (sz) -#define UBYTE_SRC( t, i, j, k, sz ) \ - ((GLubyte *)(t)->Data + (((t)->Height * (k) + (j)) * \ - (t)->Width + (i)) * (sz)) -#define USHORT_SRC( t, i, j, k ) \ - ((GLushort *)(t)->Data + (((t)->Height * (k) + (j)) * \ - (t)->Width + (i))) -#define FLOAT_SRC( t, i, j, k ) \ - ((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) * \ - (t)->Width + (i))) - -#define FETCH(x) fetch_3d_texel_##x +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((type *)(image)->Data + ((image)->ImageOffsets[k] \ + + (image)->RowStride * (j) + (i)) * (size)) + +#define FETCH(x) fetch_texel_3d_##x #else #error illegal number of texture dimensions #endif -static void FETCH(rgba)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_RGBA **********************************************************/ + +/* 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 ) +{ + const GLchan *src = TEXEL_ADDR(GLchan, 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]); +} + +#if DIM == 3 +/* Store a GLchan RGBA texel */ +static void store_texel_rgba(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + +/* MESA_FORMAT_RGB ***********************************************************/ + +/* 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 ) +{ + const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 3); + texel[RCOMP] = CHAN_TO_FLOAT(src[0]); + texel[GCOMP] = CHAN_TO_FLOAT(src[1]); + texel[BCOMP] = CHAN_TO_FLOAT(src[2]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; +} +#endif + +/* MESA_FORMAT_ALPHA *********************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLchans */ +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] = 0.0F; + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); +} + +#if DIM == 3 +static void store_texel_alpha(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); + dst[0] = rgba[ACOMP]; +} +#endif + +/* MESA_FORMAT_LUMINANCE *****************************************************/ + +/* Fetch 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 = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + +/* MESA_FORMAT_LUMINANCE_ALPHA ***********************************************/ + +/* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLchans */ +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] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_TO_FLOAT(src[1]); +} + +#if DIM == 3 +static void store_texel_luminance_alpha(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + +/* MESA_FORMAT_INTENSITY *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLchans */ +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] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); +} + +#if DIM == 3 +static void store_texel_intensity(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLchan *rgba = (const GLchan *) texel; + GLchan *dst = TEXEL_ADDR(GLchan, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_Z32 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[0] = src[0] * (1.0F / 0xffffffff); +} + +#if DIM == 3 +static void store_texel_z32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLuint *depth = (const GLuint *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_Z16 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z16)(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); + texel[0] = src[0] * (1.0F / 65535.0F); +} + +#if DIM == 3 +static void store_texel_z16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *depth = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_RGBA_F32 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats. + */ +static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = src[3]; +} + +#if DIM == 3 +static void store_texel_rgba_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = depth[RCOMP]; + dst[1] = depth[GCOMP]; + dst[2] = depth[BCOMP]; + dst[3] = depth[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_F16 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = _mesa_half_to_float(src[3]); +} + +#if DIM == 3 +static void store_texel_rgba_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(*depth); +} +#endif + +/* MESA_FORMAT_RGB_F32 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_RGB_F16 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(*depth); +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = _mesa_half_to_float(src[1]); +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); + dst[1] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_INTENSITY_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_intensity_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_INTENSITY_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_intensity_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + + + +/* + * Begin Hardware formats + */ + +/* MESA_FORMAT_RGBA8888 ******************************************************/ + +/* 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_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) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGBA888_REV ***************************************************/ + +/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ +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_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 +static void store_texel_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_ARGB8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) { - const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 ); - GLchan *rgba = (GLchan *) texel; - COPY_CHAN4( rgba, src ); + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + 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) ); } -static void FETCH(rgb)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_argb8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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; + 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 + -static void FETCH(alpha)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_ARGB8888_REV **************************************************/ + +/* 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 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]; + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + 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 ); } -static void FETCH(luminance)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_argb8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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; + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]); } +#endif + -static void FETCH(luminance_alpha)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_RGB888 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ +static void FETCH(f_rgb888)( 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]; + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + 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; } -static void FETCH(intensity)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_rgb888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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]; + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; } +#endif + + +/* MESA_FORMAT_BGR888 ********************************************************/ -static void FETCH(color_index)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ +static void FETCH(f_bgr888)( 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 *index = (GLchan *) texel; - *index = *src; + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + 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; } -static void FETCH(depth_component)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_bgr888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) { - const GLfloat *src = FLOAT_SRC( texImage, i, j, k ); - GLfloat *depth = (GLfloat *) texel; - *depth = *src; + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; } +#endif + + +/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding) + instead of slow (g << 2) * 255 / 252 (always rounds down) */ -static void FETCH(rgba8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_RGB565 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *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] ); + 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 >> 5 ) & 0x3f) * (1.0F / 63.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = 1.0F; } -static void FETCH(argb8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_rgb565(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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] ); + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); } +#endif -static void FETCH(rgb888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) + +/* MESA_FORMAT_RGB565_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ +static void FETCH(f_rgb565_rev)( 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; + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ + 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; } -static void FETCH(rgb565)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_rgb565_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) { - const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); +} +#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(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; - 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] = ((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 +static void store_texel_argb4444(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[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB4444_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ +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] = ((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 +static void store_texel_argb4444_rev(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[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); } +#endif + +/* MESA_FORMAT_RGBA5551 ******************************************************/ -static void FETCH(argb4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* 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 = USHORT_SRC( texImage, i, j, k ); + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); 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] = ((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; } -static void FETCH(argb1555)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#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(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 *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); 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] = ((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; } -static void FETCH(al88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_argb1555(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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] ); + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); } +#endif + -static void FETCH(rgb332)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_ARGB1555_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ +static void FETCH(f_argb1555_rev)( 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 GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ + 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 +static void store_texel_argb1555_rev(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_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_AL88 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ +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_FLOAT( s & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); +} + +#if DIM == 3 +static void store_texel_al88(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_88(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL88_REV ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ +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_FLOAT( s >> 8 ); + texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); +} + +#if DIM == 3 +static void store_texel_al88_rev(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_88(rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGB332 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ +static void FETCH(f_rgb332)( 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 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] = ((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; } -static void FETCH(a8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_rgb332(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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] ); + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); } +#endif + + +/* MESA_FORMAT_A8 ************************************************************/ -static void FETCH(l8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +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 ); - 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; + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); } -static void FETCH(i8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_a8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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] ); + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; } +#endif + -static void FETCH(ci8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* MESA_FORMAT_L8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ +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 ); - GLchan *index = (GLchan *) texel; - *index = UBYTE_TO_CHAN( *src ); + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; } -/* 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 ) +#if DIM == 3 +static void store_texel_l8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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 */ - GLchan *rgba = (GLchan *) texel; - 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)); - } - 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; + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; } +#endif + -/* 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 ) +/* MESA_FORMAT_I8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ +static void FETCH(f_i8)( 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 U */ - const GLubyte y1 = *src1 & 0xff; /* luminance */ - const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma V */ - GLchan *rgba = (GLchan *) texel; - 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)); + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_i8(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, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_CI8 ***********************************************************/ + +/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a + * color table, and return 4 GLchans. + */ +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; + GLuint index; + GET_CURRENT_CONTEXT(ctx); + + if (ctx->Texture.SharedPalette) { + palette = &ctx->Texture.Palette; } 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)); + palette = &texImage->TexObject->Palette; + } + if (palette->Size == 0) + return; /* undefined results */ + + /* Mask the index against size of palette to avoid going out of bounds */ + index = (*src) & (palette->Size - 1); + + { + const GLfloat *table = palette->TableF; + switch (palette->_BaseFormat) { + case GL_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index]; + texel[ACOMP] = 1.0F; + break; + case GL_INTENSITY: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index * 2 + 0]; + texel[ACOMP] = table[index * 2 + 1]; + break; + case GL_RGB: + 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: + 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; + } } - 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; } +#if DIM == 3 +static void store_texel_ci8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *index = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = *index; +} +#endif -/* big-endian */ +#if FEATURE_EXT_texture_sRGB -#if 0 -static void FETCH(abgr8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* 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 = 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] ); + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = nonlinear_to_linear(src[2]); + texel[GCOMP] = nonlinear_to_linear(src[1]); + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; } -static void FETCH(bgra8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_srgb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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] ); + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; /* no conversion */ + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; } +#endif -static void FETCH(bgr888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */ +static void FETCH(srgba8)(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; + 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! */ } -static void FETCH(bgr565)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_srgba8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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; + const GLubyte *rgba = (const GLubyte *) 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(bgra4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* 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 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 ); + 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! */ } -static void FETCH(bgra5551)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_sargb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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 ); + 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 -static void FETCH(la88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */ +static void FETCH(sl8)(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] ); + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; } -static void FETCH(bgr233)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLvoid *texel ) +#if DIM == 3 +static void store_texel_sl8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *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; + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; } #endif +/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */ +static void FETCH(sla8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */ +} -#undef CHAN_SRC -#undef UBYTE_SRC -#undef USHORT_SRC -#undef FLOAT_SRC -#undef FETCH +#if DIM == 3 +static void store_texel_sla8(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, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + +#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 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 */ + 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 */ + 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 +static void store_texel_ycbcr(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_FORMAT_YCBCR_REV *****************************************************/ + +/* 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 */ + 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 */ + 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 +static void store_texel_ycbcr_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_TEXFORMAT_Z24_S8 ***************************************************/ + +static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) >> 8) * scale; + ASSERT(texImage->TexFormat->MesaFormat == MESA_FORMAT_Z24_S8); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_z24_s8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = ((GLuint) (depth * 0xffffff)) << 8; + *dst = zi | (*dst & 0xff); +} +#endif + + +/* MESA_TEXFORMAT_S8_Z24 ***************************************************/ + +static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) & 0x00ffffff) * scale; + ASSERT(texImage->TexFormat->MesaFormat == MESA_FORMAT_S8_Z24); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_s8_z24(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = (GLuint) (depth * 0xffffff); + *dst = zi | (*dst & 0xff000000); +} +#endif + + +#undef TEXEL_ADDR #undef DIM +#undef FETCH