| /* |
| * Copyright © 2011 Marek Olšák <maraeo@gmail.com> |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS |
| * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| */ |
| |
| #ifndef RADEON_DRM_CS_H |
| #define RADEON_DRM_CS_H |
| |
| #include "radeon_drm_bo.h" |
| #include <radeon_drm.h> |
| |
| struct radeon_cs_context { |
| uint32_t buf[RADEON_MAX_CMDBUF_DWORDS]; |
| |
| int fd; |
| struct drm_radeon_cs cs; |
| struct drm_radeon_cs_chunk chunks[3]; |
| uint64_t chunk_array[3]; |
| uint32_t flags[2]; |
| |
| /* Relocs. */ |
| unsigned nrelocs; |
| unsigned crelocs; |
| unsigned validated_crelocs; |
| struct radeon_bo **relocs_bo; |
| struct drm_radeon_cs_reloc *relocs; |
| |
| /* 0 = BO not added, 1 = BO added */ |
| char is_handle_added[256]; |
| unsigned reloc_indices_hashlist[256]; |
| |
| unsigned used_vram; |
| unsigned used_gart; |
| }; |
| |
| struct radeon_drm_cs { |
| struct radeon_winsys_cs base; |
| |
| /* We flip between these two CS. While one is being consumed |
| * by the kernel in another thread, the other one is being filled |
| * by the pipe driver. */ |
| struct radeon_cs_context csc1; |
| struct radeon_cs_context csc2; |
| /* The currently-used CS. */ |
| struct radeon_cs_context *csc; |
| /* The CS being currently-owned by the other thread. */ |
| struct radeon_cs_context *cst; |
| |
| /* The winsys. */ |
| struct radeon_drm_winsys *ws; |
| |
| /* Flush CS. */ |
| void (*flush_cs)(void *ctx, unsigned flags); |
| void *flush_data; |
| |
| pipe_thread thread; |
| int flush_started, kill_thread; |
| pipe_semaphore flush_queued, flush_completed; |
| }; |
| |
| int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo); |
| |
| static INLINE struct radeon_drm_cs * |
| radeon_drm_cs(struct radeon_winsys_cs *base) |
| { |
| return (struct radeon_drm_cs*)base; |
| } |
| |
| static INLINE boolean |
| radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs, |
| struct radeon_bo *bo) |
| { |
| int num_refs = bo->num_cs_references; |
| return num_refs == bo->rws->num_cs || |
| (num_refs && radeon_get_reloc(cs->csc, bo) != -1); |
| } |
| |
| static INLINE boolean |
| radeon_bo_is_referenced_by_cs_for_write(struct radeon_drm_cs *cs, |
| struct radeon_bo *bo) |
| { |
| int index; |
| |
| if (!bo->num_cs_references) |
| return FALSE; |
| |
| index = radeon_get_reloc(cs->csc, bo); |
| if (index == -1) |
| return FALSE; |
| |
| return cs->csc->relocs[index].write_domain != 0; |
| } |
| |
| static INLINE boolean |
| radeon_bo_is_referenced_by_any_cs(struct radeon_bo *bo) |
| { |
| return bo->num_cs_references != 0; |
| } |
| |
| void radeon_drm_cs_sync_flush(struct radeon_drm_cs *cs); |
| void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws); |
| |
| #endif |