summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/freedreno/freedreno_util.h
blob: 929715c2911d992d82ab8d29150e76b0dbb741fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Authors:
 *    Rob Clark <robclark@freedesktop.org>
 */

#ifndef FREEDRENO_UTIL_H_
#define FREEDRENO_UTIL_H_

#include <freedreno_drmif.h>
#include <freedreno_ringbuffer.h>

#include "pipe/p_format.h"
#include "pipe/p_state.h"
#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_half.h"
#include "util/u_dynarray.h"
#include "util/u_pack_color.h"

#include "adreno_common.xml.h"
#include "adreno_pm4.xml.h"

enum adreno_rb_depth_format fd_pipe2depth(enum pipe_format format);
enum pc_di_index_size fd_pipe2index(enum pipe_format format);
enum adreno_rb_blend_factor fd_blend_factor(unsigned factor);
enum adreno_pa_su_sc_draw fd_polygon_mode(unsigned mode);
enum adreno_stencil_op fd_stencil_op(unsigned op);

#define A3XX_MAX_MIP_LEVELS 14
/* TBD if it is same on a2xx, but for now: */
#define MAX_MIP_LEVELS A3XX_MAX_MIP_LEVELS

#define FD_DBG_MSGS     0x0001
#define FD_DBG_DISASM   0x0002
#define FD_DBG_DCLEAR   0x0004
#define FD_DBG_FLUSH    0x0008
#define FD_DBG_NOSCIS   0x0010
#define FD_DBG_DIRECT   0x0020
#define FD_DBG_NOBYPASS 0x0040
#define FD_DBG_FRAGHALF 0x0080
#define FD_DBG_NOBIN    0x0100
#define FD_DBG_NOOPT    0x0200
#define FD_DBG_OPTMSGS  0x0400
#define FD_DBG_OPTDUMP  0x0800
#define FD_DBG_GLSL130  0x1000
#define FD_DBG_NOCP     0x2000

extern int fd_mesa_debug;
extern bool fd_binning_enabled;

#define DBG(fmt, ...) \
		do { if (fd_mesa_debug & FD_DBG_MSGS) \
			debug_printf("%s:%d: "fmt "\n", \
				__FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)

/* for conditionally setting boolean flag(s): */
#define COND(bool, val) ((bool) ? (val) : 0)

#define CP_REG(reg) ((0x4 << 16) | ((unsigned int)((reg) - (0x2000))))

static inline uint32_t DRAW(enum pc_di_primtype prim_type,
		enum pc_di_src_sel source_select, enum pc_di_index_size index_size,
		enum pc_di_vis_cull_mode vis_cull_mode,
		uint8_t instances)
{
	return (prim_type         << 0) |
			(source_select     << 6) |
			((index_size & 1)  << 11) |
			((index_size >> 1) << 13) |
			(vis_cull_mode     << 9) |
			(1                 << 14) |
			(instances         << 24);
}

/* for tracking cmdstream positions that need to be patched: */
struct fd_cs_patch {
	uint32_t *cs;
	uint32_t val;
};
#define fd_patch_num_elements(buf) ((buf)->size / sizeof(struct fd_cs_patch))
#define fd_patch_element(buf, i)   util_dynarray_element(buf, struct fd_cs_patch, i)

static inline enum pipe_format
pipe_surface_format(struct pipe_surface *psurf)
{
	if (!psurf)
		return PIPE_FORMAT_NONE;
	return psurf->format;
}

#define LOG_DWORDS 0

static inline void emit_marker(struct fd_ringbuffer *ring, int scratch_idx);

static inline void
OUT_RING(struct fd_ringbuffer *ring, uint32_t data)
{
	if (LOG_DWORDS) {
		DBG("ring[%p]: OUT_RING   %04x:  %08x", ring,
				(uint32_t)(ring->cur - ring->last_start), data);
	}
	*(ring->cur++) = data;
}

/* like OUT_RING() but appends a cmdstream patch point to 'buf' */
static inline void
OUT_RINGP(struct fd_ringbuffer *ring, uint32_t data,
		struct util_dynarray *buf)
{
	if (LOG_DWORDS) {
		DBG("ring[%p]: OUT_RINGP  %04x:  %08x", ring,
				(uint32_t)(ring->cur - ring->last_start), data);
	}
	util_dynarray_append(buf, struct fd_cs_patch, ((struct fd_cs_patch){
		.cs  = ring->cur++,
		.val = data,
	}));
}

static inline void
OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,
		uint32_t offset, uint32_t or, int32_t shift)
{
	if (LOG_DWORDS) {
		DBG("ring[%p]: OUT_RELOC   %04x:  %p+%u << %d", ring,
				(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);
	}
	fd_ringbuffer_reloc(ring, &(struct fd_reloc){
		.bo = bo,
		.flags = FD_RELOC_READ,
		.offset = offset,
		.or = or,
		.shift = shift,
	});
}

static inline void
OUT_RELOCW(struct fd_ringbuffer *ring, struct fd_bo *bo,
		uint32_t offset, uint32_t or, int32_t shift)
{
	if (LOG_DWORDS) {
		DBG("ring[%p]: OUT_RELOCW  %04x:  %p+%u << %d", ring,
				(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);
	}
	fd_ringbuffer_reloc(ring, &(struct fd_reloc){
		.bo = bo,
		.flags = FD_RELOC_READ | FD_RELOC_WRITE,
		.offset = offset,
		.or = or,
		.shift = shift,
	});
}

static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
{
	if ((ring->cur + ndwords) >= ring->end) {
		/* this probably won't really work if we have multiple tiles..
		 * but it is ok for 2d..  we might need different behavior
		 * depending on 2d or 3d pipe.
		 */
		DBG("uh oh..");
	}
}

static inline void
OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
{
	BEGIN_RING(ring, cnt+1);
	OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
}

static inline void
OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
{
	BEGIN_RING(ring, cnt+1);
	OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
}

static inline void
OUT_WFI(struct fd_ringbuffer *ring)
{
	OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
	OUT_RING(ring, 0x00000000);
}

static inline void
OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,
		struct fd_ringmarker *end)
{
	uint32_t dwords = fd_ringmarker_dwords(start, end);

	assert(dwords > 0);

	/* for debug after a lock up, write a unique counter value
	 * to scratch6 for each IB, to make it easier to match up
	 * register dumps to cmdstream.  The combination of IB and
	 * DRAW (scratch7) is enough to "triangulate" the particular
	 * draw that caused lockup.
	 */
	emit_marker(ring, 6);

	OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
	fd_ringbuffer_emit_reloc_ring(ring, start, end);
	OUT_RING(ring, dwords);

	emit_marker(ring, 6);
}

/* CP_SCRATCH_REG4 is used to hold base address for query results: */
#define HW_QUERY_BASE_REG REG_AXXX_CP_SCRATCH_REG4

static inline void
emit_marker(struct fd_ringbuffer *ring, int scratch_idx)
{
	extern unsigned marker_cnt;
	unsigned reg = REG_AXXX_CP_SCRATCH_REG0 + scratch_idx;
	assert(reg != HW_QUERY_BASE_REG);
	if (reg == HW_QUERY_BASE_REG)
		return;
	OUT_PKT0(ring, reg, 1);
	OUT_RING(ring, ++marker_cnt);
}

/* helper to get numeric value from environment variable..  mostly
 * just leaving this here because it is helpful to brute-force figure
 * out unknown formats, etc, which blob driver does not support:
 */
static inline uint32_t env2u(const char *envvar)
{
	char *str = getenv(envvar);
	if (str)
		return strtoul(str, NULL, 0);
	return 0;
}

static inline uint32_t
pack_rgba(enum pipe_format format, const float *rgba)
{
	union util_color uc;
	util_pack_color(rgba, format, &uc);
	return uc.ui[0];
}

#endif /* FREEDRENO_UTIL_H_ */