1 /* 2 * Copyright © 2016 Red Hat. 3 * Copyright © 2016 Bas Nieuwenhuizen 4 * 5 * based in part on anv driver which is: 6 * Copyright © 2015 Intel Corporation 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 25 * IN THE SOFTWARE. 26 */ 27 28 #ifndef RADV_CONSTANTS_H 29 #define RADV_CONSTANTS_H 30 31 #define ATI_VENDOR_ID 0x1002 32 33 #define MAX_VBS 32 34 #define MAX_VERTEX_ATTRIBS 32 35 #define MAX_RTS 8 36 #define MAX_VIEWPORTS 16 37 #define MAX_SCISSORS 16 38 #define MAX_DISCARD_RECTANGLES 4 39 #define MAX_SAMPLE_LOCATIONS 32 40 #define MAX_PUSH_CONSTANTS_SIZE 256 41 #define MAX_PUSH_DESCRIPTORS 32 42 #define MAX_DYNAMIC_UNIFORM_BUFFERS 16 43 #define MAX_DYNAMIC_STORAGE_BUFFERS 8 44 #define MAX_DYNAMIC_BUFFERS (MAX_DYNAMIC_UNIFORM_BUFFERS + MAX_DYNAMIC_STORAGE_BUFFERS) 45 #define MAX_SAMPLES_LOG2 4 46 #define NUM_META_FS_KEYS 12 47 #define RADV_MAX_DRM_DEVICES 8 48 #define MAX_VIEWS 8 49 #define MAX_SO_STREAMS 4 50 #define MAX_SO_BUFFERS 4 51 #define MAX_SO_OUTPUTS 64 52 #define MAX_INLINE_UNIFORM_BLOCK_SIZE (4ull * 1024 * 1024) 53 #define MAX_INLINE_UNIFORM_BLOCK_COUNT 64 54 #define MAX_BIND_POINTS 3 /* compute + graphics + raytracing */ 55 56 #define NUM_DEPTH_CLEAR_PIPELINES 2 57 #define NUM_DEPTH_DECOMPRESS_PIPELINES 3 58 #define MAX_FRAMEBUFFER_WIDTH (1u << 14) 59 #define MAX_FRAMEBUFFER_HEIGHT (1u << 14) 60 61 /* 62 * This is the point we switch from using CP to compute shader 63 * for certain buffer operations. 64 */ 65 #define RADV_BUFFER_OPS_CS_THRESHOLD 4096 66 67 #define RADV_BUFFER_UPDATE_THRESHOLD 1024 68 69 /* descriptor index into scratch ring offsets */ 70 #define RING_SCRATCH 0 71 #define RING_ESGS_VS 1 72 #define RING_ESGS_GS 2 73 #define RING_GSVS_VS 3 74 #define RING_GSVS_GS 4 75 #define RING_HS_TESS_FACTOR 5 76 #define RING_HS_TESS_OFFCHIP 6 77 #define RING_TS_DRAW 7 78 #define RING_TS_PAYLOAD 8 79 #define RING_MS_SCRATCH 9 80 #define RING_PS_SAMPLE_POSITIONS 10 81 82 /* max number of descriptor sets */ 83 #define MAX_SETS 32 84 85 /* Make sure everything is addressable by a signed 32-bit int, and 86 * our largest descriptors are 96 bytes. 87 */ 88 #define RADV_MAX_PER_SET_DESCRIPTORS ((1ull << 31) / 96) 89 90 /* Our buffer size fields allow only 2**32 - 1. We round that down to a multiple 91 * of 4 bytes so we can align buffer sizes up. 92 */ 93 #define RADV_MAX_MEMORY_ALLOCATION_SIZE 0xFFFFFFFCull 94 95 /* Number of entries in the mesh shader scratch ring. 96 * This depends on VGT_GS_MAX_WAVE_ID which is set by the kernel 97 * and is impossible to query. We leave it on its maximum value 98 * because real applications are unlikely to use it. 99 * 100 * The maximum ID on GFX10.3 is 2047 (0x7ff), so we need 2048 entries. 101 */ 102 #define RADV_MESH_SCRATCH_NUM_ENTRIES 2048 103 104 /* Size of each entry in the mesh shader scratch ring. 105 * We must ensure that the absolute maximum mesh shader output fits here. 106 * 107 * Mesh shaders can create up to 256 vertices/primitives per workgroup, 108 * and up to the following amount of outputs: 109 * - 32 parameters 110 * - 4 positions (clip/cull distance, etc.) 111 * - 4 per-primitive built-in outputs (layer, view index, prim id, VRS rate) 112 * - primitive indices which are always kept in LDS 113 * That is a total of 32+4+4=40 output slots x 16 bytes per slot x 256 = 160K bytes. 114 */ 115 #define RADV_MESH_SCRATCH_ENTRY_BYTES (160 * 1024) 116 117 /* Number of invocations in each subgroup. */ 118 #define RADV_SUBGROUP_SIZE 64 119 120 /* The spec requires this to be 32. */ 121 #define RADV_RT_HANDLE_SIZE 32 122 123 #define RADV_MAX_HIT_ATTRIB_SIZE 32 124 125 #define RADV_SHADER_ALLOC_ALIGNMENT 256 126 #define RADV_SHADER_ALLOC_MIN_ARENA_SIZE (256 * 1024) 127 /* 256 KiB << 5 = 8 MiB */ 128 #define RADV_SHADER_ALLOC_MAX_ARENA_SIZE_SHIFT 5u 129 #define RADV_SHADER_ALLOC_MIN_SIZE_CLASS 8 130 #define RADV_SHADER_ALLOC_MAX_SIZE_CLASS 15 131 #define RADV_SHADER_ALLOC_NUM_FREE_LISTS \ 132 (RADV_SHADER_ALLOC_MAX_SIZE_CLASS - RADV_SHADER_ALLOC_MIN_SIZE_CLASS + 1) 133 134 #define PERF_CTR_MAX_PASSES 512 135 #define PERF_CTR_BO_PASS_OFFSET 16 136 #define PERF_CTR_BO_LOCK_OFFSET 0 137 #define PERF_CTR_BO_FENCE_OFFSET 8 138 139 #endif /* RADV_CONSTANTS_H */ 140