1/*
2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#ifndef FD5_DRAW_H_
28#define FD5_DRAW_H_
29
30#include "pipe/p_context.h"
31
32#include "freedreno_draw.h"
33
34#include "fd5_context.h"
35#include "fd5_screen.h"
36
37/* some bits in common w/ a4xx: */
38#include "a4xx/fd4_draw.h"
39
40void fd5_draw_init(struct pipe_context *pctx);
41
42static inline void
43fd5_draw(struct fd_batch *batch, struct fd_ringbuffer *ring,
44		enum pc_di_primtype primtype,
45		enum pc_di_vis_cull_mode vismode,
46		enum pc_di_src_sel src_sel, uint32_t count,
47		uint32_t instances, enum a4xx_index_size idx_type,
48		uint32_t idx_size, uint32_t idx_offset,
49		struct pipe_resource *idx_buffer)
50{
51	/* for debug after a lock up, write a unique counter value
52	 * to scratch7 for each draw, to make it easier to match up
53	 * register dumps to cmdstream.  The combination of IB
54	 * (scratch6) and DRAW is enough to "triangulate" the
55	 * particular draw that caused lockup.
56	 */
57	emit_marker5(ring, 7);
58
59	OUT_PKT7(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 7 : 3);
60	if (vismode == USE_VISIBILITY) {
61		/* leave vis mode blank for now, it will be patched up when
62		 * we know if we are binning or not
63		 */
64		OUT_RINGP(ring, DRAW4(primtype, src_sel, idx_type, 0),
65				&batch->draw_patches);
66	} else {
67		OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode));
68	}
69	OUT_RING(ring, instances);         /* NumInstances */
70	OUT_RING(ring, count);             /* NumIndices */
71	if (idx_buffer) {
72		OUT_RING(ring, 0x0);           /* XXX */
73		OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
74		OUT_RING (ring, idx_size);
75	}
76
77	emit_marker5(ring, 7);
78
79	fd_reset_wfi(batch);
80}
81
82static inline void
83fd5_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
84		enum pc_di_primtype primtype,
85		enum pc_di_vis_cull_mode vismode,
86		const struct pipe_draw_info *info,
87		unsigned index_offset)
88{
89	struct pipe_resource *idx_buffer = NULL;
90	enum a4xx_index_size idx_type;
91	enum pc_di_src_sel src_sel;
92	uint32_t idx_size, idx_offset;
93
94	if (info->indirect) {
95		struct fd_resource *ind = fd_resource(info->indirect->buffer);
96
97		emit_marker5(ring, 7);
98
99		if (info->index_size) {
100			struct pipe_resource *idx = info->index.resource;
101			unsigned max_indicies = idx->width0 / info->index_size;
102
103			OUT_PKT7(ring, CP_DRAW_INDX_INDIRECT, 6);
104			OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_DMA,
105					fd4_size2indextype(info->index_size), 0),
106					&batch->draw_patches);
107			OUT_RELOC(ring, fd_resource(idx)->bo,
108					index_offset, 0, 0);
109			OUT_RING(ring, A5XX_CP_DRAW_INDX_INDIRECT_3_MAX_INDICES(max_indicies));
110			OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
111		} else {
112			OUT_PKT7(ring, CP_DRAW_INDIRECT, 3);
113			OUT_RINGP(ring, DRAW4(primtype, DI_SRC_SEL_AUTO_INDEX, 0, 0),
114					&batch->draw_patches);
115			OUT_RELOC(ring, ind->bo, info->indirect->offset, 0, 0);
116		}
117
118		emit_marker5(ring, 7);
119		fd_reset_wfi(batch);
120
121		return;
122	}
123
124	if (info->index_size) {
125		assert(!info->has_user_indices);
126
127		idx_buffer = info->index.resource;
128		idx_type = fd4_size2indextype(info->index_size);
129		idx_size = info->index_size * info->count;
130		idx_offset = index_offset + info->start * info->index_size;
131		src_sel = DI_SRC_SEL_DMA;
132	} else {
133		idx_buffer = NULL;
134		idx_type = INDEX4_SIZE_32_BIT;
135		idx_size = 0;
136		idx_offset = 0;
137		src_sel = DI_SRC_SEL_AUTO_INDEX;
138	}
139
140	fd5_draw(batch, ring, primtype, vismode, src_sel,
141			info->count, info->instance_count,
142			idx_type, idx_size, idx_offset, idx_buffer);
143}
144
145#endif /* FD5_DRAW_H_ */
146