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      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        128
     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 
     59 /*
     60  * This is the point we switch from using CP to compute shader
     61  * for certain buffer operations.
     62  */
     63 #define RADV_BUFFER_OPS_CS_THRESHOLD 4096
     64 
     65 #define RADV_BUFFER_UPDATE_THRESHOLD 1024
     66 
     67 /* descriptor index into scratch ring offsets */
     68 #define RING_SCRATCH             0
     69 #define RING_ESGS_VS             1
     70 #define RING_ESGS_GS             2
     71 #define RING_GSVS_VS             3
     72 #define RING_GSVS_GS             4
     73 #define RING_HS_TESS_FACTOR      5
     74 #define RING_HS_TESS_OFFCHIP     6
     75 #define RING_PS_SAMPLE_POSITIONS 7
     76 
     77 /* max number of descriptor sets */
     78 #define MAX_SETS 32
     79 
     80 /* Make sure everything is addressable by a signed 32-bit int, and
     81  * our largest descriptors are 96 bytes.
     82  */
     83 #define RADV_MAX_PER_SET_DESCRIPTORS ((1ull << 31) / 96)
     84 
     85 /* Our buffer size fields allow only 2**32 - 1. We round that down to a multiple
     86  * of 4 bytes so we can align buffer sizes up.
     87  */
     88 #define RADV_MAX_MEMORY_ALLOCATION_SIZE 0xFFFFFFFCull
     89 
     90 /* Number of invocations in each subgroup. */
     91 #define RADV_SUBGROUP_SIZE 64
     92 
     93 /* The spec requires this to be 32. */
     94 #define RADV_RT_HANDLE_SIZE 32
     95 
     96 #define RADV_MAX_HIT_ATTRIB_SIZE 32
     97 
     98 #define RADV_SHADER_ALLOC_ALIGNMENT      256
     99 #define RADV_SHADER_ALLOC_MIN_ARENA_SIZE (256 * 1024)
    100 #define RADV_SHADER_ALLOC_MIN_SIZE_CLASS 8
    101 #define RADV_SHADER_ALLOC_MAX_SIZE_CLASS 15
    102 #define RADV_SHADER_ALLOC_NUM_FREE_LISTS                                                           \
    103    (RADV_SHADER_ALLOC_MAX_SIZE_CLASS - RADV_SHADER_ALLOC_MIN_SIZE_CLASS + 1)
    104 
    105 #endif /* RADV_CONSTANTS_H */
    106