diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
commit | 6ac2c1cc0cd1253ba2014d459010032127f185ec (patch) | |
tree | 6348de9de19e7394800a983c8c614566d22b870b /src/gallium/aux/draw/draw_vertex.c | |
parent | c04a7f8929d674971a472ffa4d3a31200c22aa5a (diff) | |
parent | 6d3831b11d9f5aaba61cc2fb8ade61437ad7c335 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-0.1
Conflicts:
src/gallium/drivers/softpipe/sp_quad_fs.c
src/gallium/drivers/softpipe/sp_state.h
src/gallium/drivers/softpipe/sp_state_fs.c
Diffstat (limited to 'src/gallium/aux/draw/draw_vertex.c')
-rw-r--r-- | src/gallium/aux/draw/draw_vertex.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/gallium/aux/draw/draw_vertex.c b/src/gallium/aux/draw/draw_vertex.c new file mode 100644 index 0000000000..daf1ef4b80 --- /dev/null +++ b/src/gallium/aux/draw/draw_vertex.c @@ -0,0 +1,79 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* + * Functions for specifying the post-transformation vertex layout. + * + * Author: + * Brian Paul + * Keith Whitwell + */ + + +#include "draw/draw_private.h" +#include "draw/draw_vertex.h" + + +/** + * Compute the size of a vertex, in dwords/floats, to update the + * vinfo->size field. + */ +void +draw_compute_vertex_size(struct vertex_info *vinfo) +{ + uint i; + + vinfo->size = 0; + for (i = 0; i < vinfo->num_attribs; i++) { + switch (vinfo->emit[i]) { + case EMIT_OMIT: + break; + case EMIT_4UB: + /* fall-through */ + case EMIT_1F_PSIZE: + /* fall-through */ + case EMIT_1F: + vinfo->size += 1; + break; + case EMIT_2F: + vinfo->size += 2; + break; + case EMIT_3F: + vinfo->size += 3; + break; + case EMIT_4F: + vinfo->size += 4; + break; + case EMIT_ALL: + /* fall-through */ + default: + assert(0); + } + } + + assert(vinfo->size * 4 <= MAX_VERTEX_SIZE); +} |