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_SCRATCH_H__ 28 #define __NOUVEAU_SCRATCH_H__ 29 30 #define NOUVEAU_SCRATCH_COUNT 2 31 #define NOUVEAU_SCRATCH_SIZE 3*1024*1024 32 33 struct nouveau_scratch_state { 34 struct nouveau_bo *bo[NOUVEAU_SCRATCH_COUNT]; 35 36 int index; 37 int offset; 38 void *buf; 39 }; 40 41 void * 42 nouveau_get_scratch(struct gl_context *ctx, unsigned size, 43 struct nouveau_bo **bo, unsigned *offset); 44 45 void 46 nouveau_scratch_init(struct gl_context *ctx); 47 48 void 49 nouveau_scratch_destroy(struct gl_context *ctx); 50 51 #endif 52