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
|
#ifndef INTEL_BATCHBUFFER_H
#define INTEL_BATCHBUFFER_H
#include "main/mtypes.h"
#include "brw_context.h"
#include "brw_bufmgr.h"
#ifdef __cplusplus
extern "C" {
#endif
struct intel_batchbuffer;
void intel_batchbuffer_init(struct brw_context *brw);
void intel_batchbuffer_free(struct intel_batchbuffer *batch);
void intel_batchbuffer_save_state(struct brw_context *brw);
void intel_batchbuffer_reset_to_saved(struct brw_context *brw);
void intel_batchbuffer_require_space(struct brw_context *brw, GLuint sz,
enum brw_gpu_ring ring);
int _intel_batchbuffer_flush_fence(struct brw_context *brw,
int in_fence_fd, int *out_fence_fd,
const char *file, int line);
#define intel_batchbuffer_flush(brw) \
_intel_batchbuffer_flush_fence((brw), -1, NULL, __FILE__, __LINE__)
#define intel_batchbuffer_flush_fence(brw, in_fence_fd, out_fence_fd) \
_intel_batchbuffer_flush_fence((brw), (in_fence_fd), (out_fence_fd), \
__FILE__, __LINE__)
/* Unlike bmBufferData, this currently requires the buffer be mapped.
* Consider it a convenience function wrapping multple
* intel_buffer_dword() calls.
*/
void intel_batchbuffer_data(struct brw_context *brw,
const void *data, GLuint bytes,
enum brw_gpu_ring ring);
bool brw_batch_has_aperture_space(struct brw_context *brw,
unsigned extra_space_in_bytes);
bool brw_batch_references(struct intel_batchbuffer *batch, struct brw_bo *bo);
#define RELOC_WRITE EXEC_OBJECT_WRITE
#define RELOC_NEEDS_GGTT EXEC_OBJECT_NEEDS_GTT
uint64_t brw_batch_reloc(struct intel_batchbuffer *batch,
uint32_t batch_offset,
struct brw_bo *target,
uint32_t target_offset,
unsigned flags);
uint64_t brw_state_reloc(struct intel_batchbuffer *batch,
uint32_t batch_offset,
struct brw_bo *target,
uint32_t target_offset,
unsigned flags);
#define USED_BATCH(batch) ((uintptr_t)((batch).map_next - (batch).map))
static inline uint32_t float_as_int(float f)
{
union {
float f;
uint32_t d;
} fi;
fi.f = f;
return fi.d;
}
static inline void
intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, GLuint dword)
{
*batch->map_next++ = dword;
assert(batch->ring != UNKNOWN_RING);
}
static inline void
intel_batchbuffer_emit_float(struct intel_batchbuffer *batch, float f)
{
intel_batchbuffer_emit_dword(batch, float_as_int(f));
}
static inline void
intel_batchbuffer_begin(struct brw_context *brw, int n, enum brw_gpu_ring ring)
{
intel_batchbuffer_require_space(brw, n * 4, ring);
#ifdef DEBUG
brw->batch.emit = USED_BATCH(brw->batch);
brw->batch.total = n;
#endif
}
static inline void
intel_batchbuffer_advance(struct brw_context *brw)
{
#ifdef DEBUG
struct intel_batchbuffer *batch = &brw->batch;
unsigned int _n = USED_BATCH(*batch) - batch->emit;
assert(batch->total != 0);
if (_n != batch->total) {
fprintf(stderr, "ADVANCE_BATCH: %d of %d dwords emitted\n",
_n, batch->total);
abort();
}
batch->total = 0;
#else
(void) brw;
#endif
}
static inline bool
brw_ptr_in_state_buffer(struct intel_batchbuffer *batch, void *p)
{
return (char *) p >= (char *) batch->state_map &&
(char *) p < (char *) batch->state_map + batch->state_bo->size;
}
#define BEGIN_BATCH(n) do { \
intel_batchbuffer_begin(brw, (n), RENDER_RING); \
uint32_t *__map = brw->batch.map_next; \
brw->batch.map_next += (n)
#define BEGIN_BATCH_BLT(n) do { \
intel_batchbuffer_begin(brw, (n), BLT_RING); \
uint32_t *__map = brw->batch.map_next; \
brw->batch.map_next += (n)
#define OUT_BATCH(d) *__map++ = (d)
#define OUT_BATCH_F(f) OUT_BATCH(float_as_int((f)))
#define OUT_RELOC(buf, flags, delta) do { \
uint32_t __offset = (__map - brw->batch.map) * 4; \
uint32_t reloc = \
brw_batch_reloc(&brw->batch, __offset, (buf), (delta), (flags)); \
OUT_BATCH(reloc); \
} while (0)
/* Handle 48-bit address relocations for Gen8+ */
#define OUT_RELOC64(buf, flags, delta) do { \
uint32_t __offset = (__map - brw->batch.map) * 4; \
uint64_t reloc64 = \
brw_batch_reloc(&brw->batch, __offset, (buf), (delta), (flags)); \
OUT_BATCH(reloc64); \
OUT_BATCH(reloc64 >> 32); \
} while (0)
#define ADVANCE_BATCH() \
assert(__map == brw->batch.map_next); \
intel_batchbuffer_advance(brw); \
} while (0)
#ifdef __cplusplus
}
#endif
#endif
|
