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
  32 struct nouveau_array_state;
  33
  34 typedef void (*dispatch_t)(GLcontext *, unsigned int, int, unsigned int);
  35 typedef unsigned (*extract_u_t)(struct nouveau_array_state *, int, int);
  36 typedef float (*extract_f_t)(struct nouveau_array_state *, int, int);
  37
  38 struct nouveau_attr_info {
  39         int vbo_index;
  40         int imm_method;
  41         int imm_fields;
  42
  43         void (*emit)(GLcontext *, struct nouveau_array_state *, const void *);
  44 };
  45
  46 struct nouveau_array_state {
  47         int attr;
  48         int stride, fields, type;
  49
  50         struct nouveau_bo *bo;
  51         unsigned offset;
  52         const void *buf;
  53
  54         extract_u_t extract_u;
  55         extract_f_t extract_f;
  56 };
  57
  58 #define RENDER_SCRATCH_COUNT 32
  59 #define RENDER_SCRATCH_SIZE 64*1024
  60
  61 struct nouveau_scratch_state {
  62         struct nouveau_bo *bo[RENDER_SCRATCH_COUNT];
  63
  64         int index;
  65         int offset;
  66         void *buf;
  67 };
  68
  69 struct nouveau_swtnl_state {
  70         struct nouveau_bo *vbo;
  71         void *buf;
  72         unsigned vertex_count;
  73         GLenum primitive;
  74 };
  75
  76 struct nouveau_render_state {
  77         enum {
  78                 VBO,
  79                 IMM
  80         } mode;
  81
  82         struct nouveau_array_state ib;
  83         struct nouveau_array_state attrs[VERT_ATTRIB_MAX];
  84
  85         /* Maps a HW VBO index or IMM emission order to an index in
  86          * the attrs array above (or -1 if unused). */
  87         int map[VERT_ATTRIB_MAX];
  88
  89         int attr_count;
  90         int vertex_size;
  91
  92         struct nouveau_scratch_state scratch;
  93         struct nouveau_swtnl_state swtnl;
  94 };
  95
  96 #define to_render_state(ctx) (&to_nouveau_context(ctx)->render)
  97
  98 #endif