1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
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 (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #ifndef FD4_DRAW_H_
30 #define FD4_DRAW_H_
31
32 #include "pipe/p_context.h"
33
34 #include "freedreno_draw.h"
35
36 void fd4_draw_init(struct pipe_context *pctx);
37
38 /* draw packet changed on a4xx, so cannot reuse one from a2xx/a3xx.. */
39
DRAW4(enum pc_di_primtype prim_type,enum pc_di_src_sel source_select,enum a4xx_index_size index_size,enum pc_di_vis_cull_mode vis_cull_mode)40 static inline uint32_t DRAW4(enum pc_di_primtype prim_type,
41 enum pc_di_src_sel source_select, enum a4xx_index_size index_size,
42 enum pc_di_vis_cull_mode vis_cull_mode)
43 {
44 return CP_DRAW_INDX_OFFSET_0_PRIM_TYPE(prim_type) |
45 CP_DRAW_INDX_OFFSET_0_SOURCE_SELECT(source_select) |
46 CP_DRAW_INDX_OFFSET_0_INDEX_SIZE(index_size) |
47 CP_DRAW_INDX_OFFSET_0_VIS_CULL(vis_cull_mode);
48 }
49
50 static inline void
fd4_draw(struct fd_batch * batch,struct fd_ringbuffer * ring,enum pc_di_primtype primtype,enum pc_di_vis_cull_mode vismode,enum pc_di_src_sel src_sel,uint32_t count,uint32_t instances,enum a4xx_index_size idx_type,uint32_t idx_size,uint32_t idx_offset,struct pipe_resource * idx_buffer)51 fd4_draw(struct fd_batch *batch, struct fd_ringbuffer *ring,
52 enum pc_di_primtype primtype,
53 enum pc_di_vis_cull_mode vismode,
54 enum pc_di_src_sel src_sel, uint32_t count,
55 uint32_t instances, enum a4xx_index_size idx_type,
56 uint32_t idx_size, uint32_t idx_offset,
57 struct pipe_resource *idx_buffer)
58 {
59 /* for debug after a lock up, write a unique counter value
60 * to scratch7 for each draw, to make it easier to match up
61 * register dumps to cmdstream. The combination of IB
62 * (scratch6) and DRAW is enough to "triangulate" the
63 * particular draw that caused lockup.
64 */
65 emit_marker(ring, 7);
66
67 OUT_PKT3(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 6 : 3);
68 if (vismode == USE_VISIBILITY) {
69 /* leave vis mode blank for now, it will be patched up when
70 * we know if we are binning or not
71 */
72 OUT_RINGP(ring, DRAW4(primtype, src_sel, idx_type, 0),
73 &batch->draw_patches);
74 } else {
75 OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode));
76 }
77 OUT_RING(ring, instances); /* NumInstances */
78 OUT_RING(ring, count); /* NumIndices */
79 if (idx_buffer) {
80 OUT_RING(ring, 0x0); /* XXX */
81 OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
82 OUT_RING (ring, idx_size);
83 }
84
85 emit_marker(ring, 7);
86
87 fd_reset_wfi(batch);
88 }
89
90 static inline enum a4xx_index_size
fd4_size2indextype(unsigned index_size)91 fd4_size2indextype(unsigned index_size)
92 {
93 switch (index_size) {
94 case 1: return INDEX4_SIZE_8_BIT;
95 case 2: return INDEX4_SIZE_16_BIT;
96 case 4: return INDEX4_SIZE_32_BIT;
97 }
98 DBG("unsupported index size: %d", index_size);
99 assert(0);
100 return INDEX4_SIZE_32_BIT;
101 }
102
103 static inline void
fd4_draw_emit(struct fd_batch * batch,struct fd_ringbuffer * ring,enum pc_di_primtype primtype,enum pc_di_vis_cull_mode vismode,const struct pipe_draw_info * info)104 fd4_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
105 enum pc_di_primtype primtype,
106 enum pc_di_vis_cull_mode vismode,
107 const struct pipe_draw_info *info)
108 {
109 struct pipe_resource *idx_buffer = NULL;
110 enum a4xx_index_size idx_type;
111 enum pc_di_src_sel src_sel;
112 uint32_t idx_size, idx_offset;
113
114 if (info->indexed) {
115 struct pipe_index_buffer *idx = &batch->ctx->indexbuf;
116
117 assert(!idx->user_buffer);
118
119 idx_buffer = idx->buffer;
120 idx_type = fd4_size2indextype(idx->index_size);
121 idx_size = idx->index_size * info->count;
122 idx_offset = idx->offset + (info->start * idx->index_size);
123 src_sel = DI_SRC_SEL_DMA;
124 } else {
125 idx_buffer = NULL;
126 idx_type = INDEX4_SIZE_32_BIT;
127 idx_size = 0;
128 idx_offset = 0;
129 src_sel = DI_SRC_SEL_AUTO_INDEX;
130 }
131
132 fd4_draw(batch, ring, primtype, vismode, src_sel,
133 info->count, info->instance_count,
134 idx_type, idx_size, idx_offset, idx_buffer);
135 }
136
137 #endif /* FD4_DRAW_H_ */
138