1 #ifndef INTEL_BATCHBUFFER_H
2 #define INTEL_BATCHBUFFER_H
4 #include "main/mtypes.h"
6 #include "brw_context.h"
7 #include "intel_bufmgr.h"
15 * Number of bytes to reserve for commands necessary to complete a batch.
18 * - MI_BATCHBUFFER_END (4 bytes)
19 * - Optional MI_NOOP for ensuring the batch length is qword aligned (4 bytes)
20 * - Any state emitted by vtbl->finish_batch():
21 * - Gen4-5 record ending occlusion query values (4 * 4 = 16 bytes)
23 #define BATCH_RESERVED 24
25 struct intel_batchbuffer
;
27 void intel_batchbuffer_init(struct brw_context
*brw
);
28 void intel_batchbuffer_free(struct brw_context
*brw
);
29 void intel_batchbuffer_save_state(struct brw_context
*brw
);
30 void intel_batchbuffer_reset_to_saved(struct brw_context
*brw
);
32 int _intel_batchbuffer_flush(struct brw_context
*brw
,
33 const char *file
, int line
);
35 #define intel_batchbuffer_flush(intel) \
36 _intel_batchbuffer_flush(intel, __FILE__, __LINE__)
40 /* Unlike bmBufferData, this currently requires the buffer be mapped.
41 * Consider it a convenience function wrapping multple
42 * intel_buffer_dword() calls.
44 void intel_batchbuffer_data(struct brw_context
*brw
,
45 const void *data
, GLuint bytes
, bool is_blit
);
47 bool intel_batchbuffer_emit_reloc(struct brw_context
*brw
,
49 uint32_t read_domains
,
50 uint32_t write_domain
,
52 bool intel_batchbuffer_emit_reloc_fenced(struct brw_context
*brw
,
54 uint32_t read_domains
,
55 uint32_t write_domain
,
57 void intel_batchbuffer_emit_mi_flush(struct brw_context
*brw
);
58 void intel_emit_post_sync_nonzero_flush(struct brw_context
*brw
);
59 void intel_emit_depth_stall_flushes(struct brw_context
*brw
);
60 void gen7_emit_vs_workaround_flush(struct brw_context
*brw
);
62 static INLINE
uint32_t float_as_int(float f
)
73 /* Inline functions - might actually be better off with these
74 * non-inlined. Certainly better off switching all command packets to
75 * be passed as structs rather than dwords, but that's a little bit of
78 static INLINE
unsigned
79 intel_batchbuffer_space(struct brw_context
*brw
)
81 return (brw
->batch
.state_batch_offset
- brw
->batch
.reserved_space
)
87 intel_batchbuffer_emit_dword(struct brw_context
*brw
, GLuint dword
)
90 assert(intel_batchbuffer_space(brw
) >= 4);
92 brw
->batch
.map
[brw
->batch
.used
++] = dword
;
96 intel_batchbuffer_emit_float(struct brw_context
*brw
, float f
)
98 intel_batchbuffer_emit_dword(brw
, float_as_int(f
));
102 intel_batchbuffer_require_space(struct brw_context
*brw
, GLuint sz
, int is_blit
)
105 brw
->batch
.is_blit
!= is_blit
&& brw
->batch
.used
) {
106 intel_batchbuffer_flush(brw
);
109 brw
->batch
.is_blit
= is_blit
;
112 assert(sz
< BATCH_SZ
- BATCH_RESERVED
);
114 if (intel_batchbuffer_space(brw
) < sz
)
115 intel_batchbuffer_flush(brw
);
119 intel_batchbuffer_begin(struct brw_context
*brw
, int n
, bool is_blit
)
121 intel_batchbuffer_require_space(brw
, n
* 4, is_blit
);
123 brw
->batch
.emit
= brw
->batch
.used
;
125 brw
->batch
.total
= n
;
130 intel_batchbuffer_advance(struct brw_context
*brw
)
133 struct intel_batchbuffer
*batch
= &brw
->batch
;
134 unsigned int _n
= batch
->used
- batch
->emit
;
135 assert(batch
->total
!= 0);
136 if (_n
!= batch
->total
) {
137 fprintf(stderr
, "ADVANCE_BATCH: %d of %d dwords emitted\n",
145 void intel_batchbuffer_cached_advance(struct brw_context
*brw
);
147 #define BEGIN_BATCH(n) intel_batchbuffer_begin(brw, n, false)
148 #define BEGIN_BATCH_BLT(n) intel_batchbuffer_begin(brw, n, true)
149 #define OUT_BATCH(d) intel_batchbuffer_emit_dword(brw, d)
150 #define OUT_BATCH_F(f) intel_batchbuffer_emit_float(brw, f)
151 #define OUT_RELOC(buf, read_domains, write_domain, delta) do { \
152 intel_batchbuffer_emit_reloc(brw, buf, \
153 read_domains, write_domain, delta); \
155 #define OUT_RELOC_FENCED(buf, read_domains, write_domain, delta) do { \
156 intel_batchbuffer_emit_reloc_fenced(brw, buf, \
157 read_domains, write_domain, delta); \
160 #define ADVANCE_BATCH() intel_batchbuffer_advance(brw);
161 #define CACHED_BATCH() intel_batchbuffer_cached_advance(brw);