1 /* 2 * Copyright (C) 2016 Rob Clark <robclark (at) freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Rob Clark <robclark (at) freedesktop.org> 25 */ 26 27 #ifndef FREEDRENO_BATCH_CACHE_H_ 28 #define FREEDRENO_BATCH_CACHE_H_ 29 30 #include "pipe/p_state.h" 31 32 struct fd_resource; 33 struct fd_batch; 34 struct fd_context; 35 36 struct hash_table; 37 38 struct fd_batch_cache { 39 struct hash_table *ht; 40 unsigned cnt; 41 42 /* set of active batches.. there is an upper limit on the number of 43 * in-flight batches, for two reasons: 44 * 1) to avoid big spikes in number of batches in edge cases, such as 45 * game startup (ie, lots of texture uploads, but no usages yet of 46 * the textures), etc. 47 * 2) so we can use a simple bitmask in fd_resource to track which 48 * batches have reference to the resource 49 */ 50 struct fd_batch *batches[32]; 51 uint32_t batch_mask; 52 }; 53 54 /* note: if batches get unref'd in the body of the loop, they are removed 55 * from the various masks.. but since we copy the mask at the beginning of 56 * the loop into _m, we need the &= at the end of the loop to make sure 57 * we don't have stale bits in _m 58 */ 59 #define foreach_batch(batch, cache, mask) \ 60 for (uint32_t _m = (mask); _m && ((batch) = (cache)->batches[u_bit_scan(&_m)]); _m &= (mask)) 61 62 void fd_bc_init(struct fd_batch_cache *cache); 63 void fd_bc_fini(struct fd_batch_cache *cache); 64 65 void fd_bc_flush(struct fd_batch_cache *cache, struct fd_context *ctx); 66 67 void fd_bc_invalidate_context(struct fd_context *ctx); 68 void fd_bc_invalidate_batch(struct fd_batch *batch, bool destroy); 69 void fd_bc_invalidate_resource(struct fd_resource *rsc, bool destroy); 70 struct fd_batch * fd_bc_alloc_batch(struct fd_batch_cache *cache, struct fd_context *ctx); 71 72 struct fd_batch * fd_batch_from_fb(struct fd_batch_cache *cache, 73 struct fd_context *ctx, const struct pipe_framebuffer_state *pfb); 74 75 #endif /* FREEDRENO_BATCH_CACHE_H_ */ 76
