src/mesa/drivers/dri/nouveau/nouveau_render.h

   1 /*
   2  * Copyright (C) 2009-2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __NOUVEAU_RENDER_H__
  28 #define __NOUVEAU_RENDER_H__
  29
  30 #include "vbo/vbo_context.h"
  31 #include "nouveau_array.h"
  32
  33 typedef void (*dispatch_t)(struct gl_context *, unsigned int, int, unsigned int);
  34 typedef void (*emit_t)(struct gl_context *, struct nouveau_array *, const void *);
  35
  36 struct nouveau_attr_info {
  37         int vbo_index;
  38         int imm_method;
  39         int imm_fields;
  40
  41         emit_t emit;
  42 };
  43
  44 struct nouveau_swtnl_state {
  45         struct nouveau_bo *vbo;
  46         unsigned offset;
  47         void *buf;
  48         unsigned vertex_count;
  49         GLenum primitive;
  50 };
  51
  52 struct nouveau_render_state {
  53         enum {
  54                 VBO,
  55                 IMM
  56         } mode;
  57
  58         struct nouveau_array ib;
  59         struct nouveau_array attrs[VERT_ATTRIB_MAX];
  60
  61         /* Maps a HW VBO index or IMM emission order to an index in
  62          * the attrs array above (or -1 if unused). */
  63         int map[VERT_ATTRIB_MAX];
  64
  65         int attr_count;
  66         int vertex_size;
  67
  68         struct nouveau_swtnl_state swtnl;
  69 };
  70
  71 #define to_render_state(ctx) (&to_nouveau_context(ctx)->render)
  72
  73 #define FOR_EACH_ATTR(render, i, attr)                                  \
  74         for (i = 0; attr = (render)->map[i], i < NUM_VERTEX_ATTRS; i++)
  75
  76 #define FOR_EACH_BOUND_ATTR(render, i, attr)                            \
  77         for (i = 0; attr = (render)->map[i], i < render->attr_count; i++) \
  78                 if (attr >= 0)
  79
  80 #endif