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 81