1 /* 2 * Copyright © Microsoft Corporation 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef D3D12_COMPUTE_TRANSFORMS_H 25 #define D3D12_COMPUTE_TRANSFORMS_H 26 27 #include "d3d12_context.h" 28 #include "d3d12_compiler.h" 29 30 enum class d3d12_compute_transform_type 31 { 32 /* Extract vertex shader draw params (base vertex, instance, draw ID) from 33 * a stream of indirect draw (indexed) params 34 */ 35 base_vertex, 36 /* Given an SO buffer's declaration in the key, copy filled items from a fake (multiplied) 37 * buffer into the original SO buffer, after the original filled size (loaded from the indirect 38 * arg buffer double-bound as a UBO), making sure to skip gaps 39 */ 40 fake_so_buffer_copy_back, 41 /* Append a fake SO buffer filed size with (vertex count, 1, 1, original filled size) 42 * for an indirect dispatch of the fake_so_buffer_copy_back transform, and also update 43 * the original filled size with the fake filled size 44 */ 45 fake_so_buffer_vertex_count, 46 /* Append a buffer filled size with (vertex count, 1, 0, 0) */ 47 draw_auto, 48 max, 49 }; 50 51 struct d3d12_compute_transform_key 52 { 53 d3d12_compute_transform_type type; 54 55 union 56 { 57 struct { 58 unsigned indexed : 1; 59 unsigned dynamic_count : 1; 60 } base_vertex; 61 62 struct { 63 uint16_t stride; 64 uint16_t num_ranges; 65 struct { 66 uint16_t offset; 67 uint16_t size; 68 } ranges[PIPE_MAX_SO_OUTPUTS]; 69 } fake_so_buffer_copy_back; 70 }; 71 }; 72 73 d3d12_shader_selector * 74 d3d12_get_compute_transform(struct d3d12_context *ctx, const d3d12_compute_transform_key *key); 75 76 void 77 d3d12_compute_transform_cache_init(struct d3d12_context *ctx); 78 79 void 80 d3d12_compute_transform_cache_destroy(struct d3d12_context *ctx); 81 82 struct d3d12_compute_transform_save_restore 83 { 84 struct d3d12_shader_selector *cs; 85 struct pipe_constant_buffer cbuf0; 86 struct pipe_shader_buffer ssbos[2]; 87 }; 88 89 void 90 d3d12_save_compute_transform_state(struct d3d12_context *ctx, d3d12_compute_transform_save_restore *save); 91 92 void 93 d3d12_restore_compute_transform_state(struct d3d12_context *ctx, d3d12_compute_transform_save_restore *save); 94 95 #endif 96