1 /*
2 * Copyright © 2019 Intel 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 shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 /**
24 * Macro and function definitions needed in order to use genxml.
25 *
26 * This should only be included in sources compiled per-generation.
27 */
28
29 #include "iris_batch.h"
30
31 #define __gen_address_type struct iris_address
32 #define __gen_user_data struct iris_batch
33 #define __gen_combine_address iris_combine_address
34
35 static inline void *
__gen_get_batch_dwords(struct iris_batch * batch,unsigned dwords)36 __gen_get_batch_dwords(struct iris_batch *batch, unsigned dwords)
37 {
38 return iris_get_command_space(batch, dwords * sizeof(uint32_t));
39 }
40
41 static inline struct iris_address
__gen_address_offset(struct iris_address addr,uint64_t offset)42 __gen_address_offset(struct iris_address addr, uint64_t offset)
43 {
44 addr.offset += offset;
45 return addr;
46 }
47
48 static uint64_t
__gen_combine_address(struct iris_batch * batch,void * location,struct iris_address addr,uint32_t delta)49 __gen_combine_address(struct iris_batch *batch, void *location,
50 struct iris_address addr, uint32_t delta)
51 {
52 uint64_t result = addr.offset + delta;
53
54 if (addr.bo) {
55 iris_use_pinned_bo(batch, addr.bo,
56 !iris_domain_is_read_only(addr.access), addr.access);
57 /* Assume this is a general address, not relative to a base. */
58 result += addr.bo->gtt_offset;
59 }
60
61 return result;
62 }
63
64 #define __gen_address_type struct iris_address
65 #define __gen_user_data struct iris_batch
66
67 #define __genxml_cmd_length(cmd) cmd ## _length
68 #define __genxml_cmd_length_bias(cmd) cmd ## _length_bias
69 #define __genxml_cmd_header(cmd) cmd ## _header
70 #define __genxml_cmd_pack(cmd) cmd ## _pack
71
72 #include "genxml/genX_pack.h"
73 #include "genxml/gen_macros.h"
74 #include "genxml/genX_bits.h"
75
76 /* CS_GPR(15) is reserved for combining conditional rendering predicates
77 * with GL_ARB_indirect_parameters draw number predicates.
78 */
79 #define GEN_MI_BUILDER_NUM_ALLOC_GPRS 15
80 #include "common/gen_mi_builder.h"
81
82 #define _iris_pack_command(batch, cmd, dst, name) \
83 for (struct cmd name = { __genxml_cmd_header(cmd) }, \
84 *_dst = (void *)(dst); __builtin_expect(_dst != NULL, 1); \
85 ({ __genxml_cmd_pack(cmd)(batch, (void *)_dst, &name); \
86 _dst = NULL; \
87 }))
88
89 #define iris_pack_command(cmd, dst, name) \
90 _iris_pack_command(NULL, cmd, dst, name)
91
92 #define _iris_pack_state(batch, cmd, dst, name) \
93 for (struct cmd name = {}, \
94 *_dst = (void *)(dst); __builtin_expect(_dst != NULL, 1); \
95 __genxml_cmd_pack(cmd)(batch, (void *)_dst, &name), \
96 _dst = NULL)
97
98 #define iris_pack_state(cmd, dst, name) \
99 _iris_pack_state(NULL, cmd, dst, name)
100
101 #define iris_emit_cmd(batch, cmd, name) \
102 _iris_pack_command(batch, cmd, __gen_get_batch_dwords(batch, __genxml_cmd_length(cmd)), name)
103
104 #define iris_emit_merge(batch, dwords0, dwords1, num_dwords) \
105 do { \
106 uint32_t *dw = __gen_get_batch_dwords(batch, num_dwords); \
107 for (uint32_t i = 0; i < num_dwords; i++) \
108 dw[i] = (dwords0)[i] | (dwords1)[i]; \
109 VG(VALGRIND_CHECK_MEM_IS_DEFINED(dw, num_dwords)); \
110 } while (0)
111
112
113 /**
114 * iris_address constructor helpers:
115 *
116 * When using these to construct a CSO, pass NULL for \p bo, and manually
117 * pin the BO later. Otherwise, genxml's address handling will add the
118 * BO to the current batch's validation list at CSO creation time, rather
119 * than at draw time as desired.
120 */
121
122 UNUSED static struct iris_address
ro_bo(struct iris_bo * bo,uint64_t offset)123 ro_bo(struct iris_bo *bo, uint64_t offset)
124 {
125 return (struct iris_address) { .bo = bo, .offset = offset,
126 .access = IRIS_DOMAIN_OTHER_READ };
127 }
128
129 UNUSED static struct iris_address
rw_bo(struct iris_bo * bo,uint64_t offset,enum iris_domain access)130 rw_bo(struct iris_bo *bo, uint64_t offset, enum iris_domain access)
131 {
132 return (struct iris_address) { .bo = bo, .offset = offset,
133 .access = access };
134 }
135