radeon_drm_cs.h revision 6caac3ecb8bc32d92c35fdb1f0a67541ffa8af29
1/* 2 * Copyright © 2011 Marek Olšák <maraeo@gmail.com> 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, sub license, 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 15 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 16 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS 17 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20 * USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * The above copyright notice and this permission notice (including the 23 * next paragraph) shall be included in all copies or substantial portions 24 * of the Software. 25 */ 26 27#ifndef RADEON_DRM_CS_H 28#define RADEON_DRM_CS_H 29 30#include "radeon_drm_bo.h" 31#include <radeon_drm.h> 32 33struct radeon_cs_context { 34 uint32_t buf[R300_MAX_CMDBUF_DWORDS]; 35 36 int fd; 37 struct drm_radeon_cs cs; 38 struct drm_radeon_cs_chunk chunks[2]; 39 uint64_t chunk_array[2]; 40 41 /* Relocs. */ 42 unsigned nrelocs; 43 unsigned crelocs; 44 struct radeon_bo **relocs_bo; 45 struct drm_radeon_cs_reloc *relocs; 46 47 /* 0 = BO not added, 1 = BO added */ 48 char is_handle_added[256]; 49 struct drm_radeon_cs_reloc *relocs_hashlist[256]; 50 unsigned reloc_indices_hashlist[256]; 51 52 unsigned used_vram; 53 unsigned used_gart; 54}; 55 56struct radeon_drm_cs { 57 struct r300_winsys_cs base; 58 59 /* We flip between these two CS. While one is being consumed 60 * by the kernel in another thread, the other one is being filled 61 * by the pipe driver. */ 62 struct radeon_cs_context csc1; 63 struct radeon_cs_context csc2; 64 /* The currently-used CS. */ 65 struct radeon_cs_context *csc; 66 /* The CS being currently-owned by the other thread. */ 67 struct radeon_cs_context *cst; 68 69 /* The winsys. */ 70 struct radeon_drm_winsys *ws; 71 72 /* Flush CS. */ 73 void (*flush_cs)(void *ctx, unsigned flags); 74 void *flush_data; 75 76 pipe_thread thread; 77}; 78 79int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo); 80 81static INLINE struct radeon_drm_cs * 82radeon_drm_cs(struct r300_winsys_cs *base) 83{ 84 return (struct radeon_drm_cs*)base; 85} 86 87static INLINE boolean 88radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs, 89 struct radeon_bo *bo) 90{ 91 return bo->num_cs_references == bo->rws->num_cs || 92 (bo->num_cs_references && radeon_get_reloc(cs->csc, bo) != -1); 93} 94 95static INLINE boolean 96radeon_bo_is_referenced_by_cs_for_write(struct radeon_drm_cs *cs, 97 struct radeon_bo *bo) 98{ 99 int index; 100 101 if (!bo->num_cs_references) 102 return FALSE; 103 104 index = radeon_get_reloc(cs->csc, bo); 105 if (index == -1) 106 return FALSE; 107 108 return cs->csc->relocs[index].write_domain != 0; 109} 110 111static INLINE boolean 112radeon_bo_is_referenced_by_any_cs(struct radeon_bo *bo) 113{ 114 return bo->num_cs_references; 115} 116 117void radeon_drm_cs_sync_flush(struct radeon_drm_cs *cs); 118void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws); 119 120#endif 121