diff options
author | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-11-21 05:24:35 +0900 |
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committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-12-12 16:06:28 +0900 |
commit | 638e94295948619d6a32befe9e809513201b0318 (patch) | |
tree | e775db80bbbe4853d4e806b4b2b04c3421b7248d /src/mesa/state_tracker/wgl/stw_pixelformat.c | |
parent | 500b304463bcc57af2cb01bb2f196c9c7dbbfa1d (diff) |
mesa: Bring in new mesa sub-statetracker.
Some code cleanup is still in order.
Diffstat (limited to 'src/mesa/state_tracker/wgl/stw_pixelformat.c')
-rw-r--r-- | src/mesa/state_tracker/wgl/stw_pixelformat.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/wgl/stw_pixelformat.c b/src/mesa/state_tracker/wgl/stw_pixelformat.c new file mode 100644 index 0000000000..7a054af3d3 --- /dev/null +++ b/src/mesa/state_tracker/wgl/stw_pixelformat.c @@ -0,0 +1,120 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#include "pipe/p_debug.h" +#include "stw_pixelformat.h" + +#define MAX_PIXELFORMATS 16 + +static struct pixelformat_info pixelformats[MAX_PIXELFORMATS]; +static uint pixelformat_count = 0; +static uint pixelformat_extended_count = 0; + +static void +add_standard_pixelformats( + struct pixelformat_info **ppf, + uint flags ) +{ + struct pixelformat_info *pf = *ppf; + struct pixelformat_color_info color24 = { 8, 0, 8, 8, 8, 16 }; + struct pixelformat_alpha_info alpha8 = { 8, 24 }; + struct pixelformat_alpha_info noalpha = { 0, 0 }; + struct pixelformat_depth_info depth24s8 = { 24, 8 }; + struct pixelformat_depth_info depth16 = { 16, 0 }; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = alpha8; + pf->depth = depth16; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = alpha8; + pf->depth = depth24s8; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth16; + pf++; + + pf->flags = PF_FLAG_DOUBLEBUFFER | flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth24s8; + pf++; + + pf->flags = flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth16; + pf++; + + pf->flags = flags; + pf->color = color24; + pf->alpha = noalpha; + pf->depth = depth24s8; + pf++; + + *ppf = pf; +} + +void +pixelformat_init( void ) +{ + struct pixelformat_info *pf = pixelformats; + + add_standard_pixelformats( &pf, 0 ); + pixelformat_count = pf - pixelformats; + + add_standard_pixelformats( &pf, PF_FLAG_MULTISAMPLED ); + pixelformat_extended_count = pf - pixelformats; + + assert( pixelformat_extended_count <= MAX_PIXELFORMATS ); +} + +uint +pixelformat_get_count( void ) +{ + return pixelformat_count; +} + +uint +pixelformat_get_extended_count( void ) +{ + return pixelformat_extended_count; +} + +const struct pixelformat_info * +pixelformat_get_info( uint index ) +{ + assert( index < pixelformat_extended_count ); + + return &pixelformats[index]; +} |