1 /* 2 * Copyright 2011 Marek Olk <maraeo (at) 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 33 struct radeon_cs_context { 34 uint32_t buf[RADEON_MAX_CMDBUF_DWORDS]; 35 36 int fd; 37 struct drm_radeon_cs cs; 38 struct drm_radeon_cs_chunk chunks[3]; 39 uint64_t chunk_array[3]; 40 uint32_t flags[2]; 41 42 /* Relocs. */ 43 unsigned nrelocs; 44 unsigned crelocs; 45 unsigned validated_crelocs; 46 struct radeon_bo **relocs_bo; 47 struct drm_radeon_cs_reloc *relocs; 48 49 /* 0 = BO not added, 1 = BO added */ 50 char is_handle_added[256]; 51 unsigned reloc_indices_hashlist[256]; 52 53 unsigned used_vram; 54 unsigned used_gart; 55 }; 56 57 struct radeon_drm_cs { 58 struct radeon_winsys_cs base; 59 60 /* We flip between these two CS. While one is being consumed 61 * by the kernel in another thread, the other one is being filled 62 * by the pipe driver. */ 63 struct radeon_cs_context csc1; 64 struct radeon_cs_context csc2; 65 /* The currently-used CS. */ 66 struct radeon_cs_context *csc; 67 /* The CS being currently-owned by the other thread. */ 68 struct radeon_cs_context *cst; 69 70 /* The winsys. */ 71 struct radeon_drm_winsys *ws; 72 73 /* Flush CS. */ 74 void (*flush_cs)(void *ctx, unsigned flags); 75 void *flush_data; 76 77 pipe_thread thread; 78 int flush_started, kill_thread; 79 pipe_semaphore flush_queued, flush_completed; 80 }; 81 82 int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo); 83 84 static INLINE struct radeon_drm_cs * 85 radeon_drm_cs(struct radeon_winsys_cs *base) 86 { 87 return (struct radeon_drm_cs*)base; 88 } 89 90 static INLINE boolean 91 radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs, 92 struct radeon_bo *bo) 93 { 94 int num_refs = bo->num_cs_references; 95 return num_refs == bo->rws->num_cs || 96 (num_refs && radeon_get_reloc(cs->csc, bo) != -1); 97 } 98 99 static INLINE boolean 100 radeon_bo_is_referenced_by_cs_for_write(struct radeon_drm_cs *cs, 101 struct radeon_bo *bo) 102 { 103 int index; 104 105 if (!bo->num_cs_references) 106 return FALSE; 107 108 index = radeon_get_reloc(cs->csc, bo); 109 if (index == -1) 110 return FALSE; 111 112 return cs->csc->relocs[index].write_domain != 0; 113 } 114 115 static INLINE boolean 116 radeon_bo_is_referenced_by_any_cs(struct radeon_bo *bo) 117 { 118 return bo->num_cs_references != 0; 119 } 120 121 void radeon_drm_cs_sync_flush(struct radeon_drm_cs *cs); 122 void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws); 123 124 #endif 125
