1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2014 LunarG, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Chia-I Wu <olv@lunarg.com>
26 */
27
28 #ifndef ILO_BUILDER_3D_H
29 #define ILO_BUILDER_3D_H
30
31 #include "genhw/genhw.h"
32
33 #include "ilo_core.h"
34 #include "ilo_dev.h"
35 #include "ilo_builder_3d_top.h"
36 #include "ilo_builder_3d_bottom.h"
37
38 struct gen6_3dprimitive_info {
39 enum gen_3dprim_type topology;
40 bool indexed;
41
42 uint32_t vertex_count;
43 uint32_t vertex_start;
44 uint32_t instance_count;
45 uint32_t instance_start;
46 int32_t vertex_base;
47 };
48
49 static inline void
gen6_3DPRIMITIVE(struct ilo_builder * builder,const struct gen6_3dprimitive_info * info)50 gen6_3DPRIMITIVE(struct ilo_builder *builder,
51 const struct gen6_3dprimitive_info *info)
52 {
53 const uint8_t cmd_len = 6;
54 uint32_t *dw;
55
56 ILO_DEV_ASSERT(builder->dev, 6, 6);
57
58 ilo_builder_batch_pointer(builder, cmd_len, &dw);
59
60 dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2) |
61 info->topology << GEN6_3DPRIM_DW0_TYPE__SHIFT;
62 if (info->indexed)
63 dw[0] |= GEN6_3DPRIM_DW0_ACCESS_RANDOM;
64
65 dw[1] = info->vertex_count;
66 dw[2] = info->vertex_start;
67 dw[3] = info->instance_count;
68 dw[4] = info->instance_start;
69 dw[5] = info->vertex_base;
70 }
71
72 static inline void
gen7_3DPRIMITIVE(struct ilo_builder * builder,const struct gen6_3dprimitive_info * info)73 gen7_3DPRIMITIVE(struct ilo_builder *builder,
74 const struct gen6_3dprimitive_info *info)
75 {
76 const uint8_t cmd_len = 7;
77 uint32_t *dw;
78
79 ILO_DEV_ASSERT(builder->dev, 7, 8);
80
81 ilo_builder_batch_pointer(builder, cmd_len, &dw);
82
83 dw[0] = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2);
84
85 dw[1] = info->topology << GEN7_3DPRIM_DW1_TYPE__SHIFT;
86 if (info->indexed)
87 dw[1] |= GEN7_3DPRIM_DW1_ACCESS_RANDOM;
88
89 dw[2] = info->vertex_count;
90 dw[3] = info->vertex_start;
91 dw[4] = info->instance_count;
92 dw[5] = info->instance_start;
93 dw[6] = info->vertex_base;
94 }
95
96 #endif /* ILO_BUILDER_3D_H */
97