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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_CMD_SIGNATURE_H
25 #define D3D12_CMD_SIGNATURE_H
26 
27 #include "d3d12_context.h"
28 
29 struct d3d12_cmd_signature_key {
30    uint8_t compute:1;
31    uint8_t indexed:1;
32    uint8_t draw_or_dispatch_params:1;
33    /* 5 bits padding */
34    uint8_t params_root_const_param;
35    uint8_t params_root_const_offset;
36    /* 8 bits padding */
37 
38    unsigned multi_draw_stride;
39 
40    /* Will be zero if no constant/resource updates in the arg buffer */
41    ID3D12RootSignature *root_sig;
42 };
43 
44 void
45 d3d12_cmd_signature_cache_init(struct d3d12_context *ctx);
46 
47 void
48 d3d12_cmd_signature_cache_destroy(struct d3d12_context *ctx);
49 
50 ID3D12CommandSignature *
51 d3d12_get_cmd_signature(struct d3d12_context *ctx,
52                         const struct d3d12_cmd_signature_key *key);
53 
54 #endif
55