1 #ifndef INTEL_BATCHBUFFER_H
2 #define INTEL_BATCHBUFFER_H
4 #include "main/mtypes.h"
6 #include "intel_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 intel_context
*intel
);
28 void intel_batchbuffer_free(struct intel_context
*intel
);
30 int _intel_batchbuffer_flush(struct intel_context
*intel
,
31 const char *file
, int line
);
33 #define intel_batchbuffer_flush(intel) \
34 _intel_batchbuffer_flush(intel, __FILE__, __LINE__)
38 /* Unlike bmBufferData, this currently requires the buffer be mapped.
39 * Consider it a convenience function wrapping multple
40 * intel_buffer_dword() calls.
42 void intel_batchbuffer_data(struct intel_context
*intel
,
43 const void *data
, GLuint bytes
);
45 bool intel_batchbuffer_emit_reloc(struct intel_context
*intel
,
47 uint32_t read_domains
,
48 uint32_t write_domain
,
50 bool intel_batchbuffer_emit_reloc_fenced(struct intel_context
*intel
,
52 uint32_t read_domains
,
53 uint32_t write_domain
,
55 void intel_batchbuffer_emit_mi_flush(struct intel_context
*intel
);
57 static INLINE
uint32_t float_as_int(float f
)
68 /* Inline functions - might actually be better off with these
69 * non-inlined. Certainly better off switching all command packets to
70 * be passed as structs rather than dwords, but that's a little bit of
73 static INLINE
unsigned
74 intel_batchbuffer_space(struct intel_context
*intel
)
76 return (intel
->batch
.state_batch_offset
- intel
->batch
.reserved_space
)
77 - intel
->batch
.used
*4;
82 intel_batchbuffer_emit_dword(struct intel_context
*intel
, GLuint dword
)
85 assert(intel_batchbuffer_space(intel
) >= 4);
87 intel
->batch
.map
[intel
->batch
.used
++] = dword
;
91 intel_batchbuffer_emit_float(struct intel_context
*intel
, float f
)
93 intel_batchbuffer_emit_dword(intel
, float_as_int(f
));
97 intel_batchbuffer_require_space(struct intel_context
*intel
,
101 assert(sz
< intel
->maxBatchSize
- BATCH_RESERVED
);
103 if (intel_batchbuffer_space(intel
) < sz
)
104 intel_batchbuffer_flush(intel
);
108 intel_batchbuffer_begin(struct intel_context
*intel
, int n
)
110 intel_batchbuffer_require_space(intel
, n
* 4);
112 intel
->batch
.emit
= intel
->batch
.used
;
114 intel
->batch
.total
= n
;
119 intel_batchbuffer_advance(struct intel_context
*intel
)
122 struct intel_batchbuffer
*batch
= &intel
->batch
;
123 unsigned int _n
= batch
->used
- batch
->emit
;
124 assert(batch
->total
!= 0);
125 if (_n
!= batch
->total
) {
126 fprintf(stderr
, "ADVANCE_BATCH: %d of %d dwords emitted\n",
134 /* Here are the crusty old macros, to be removed:
138 #define BEGIN_BATCH(n) intel_batchbuffer_begin(intel, n)
139 #define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel, d)
140 #define OUT_BATCH_F(f) intel_batchbuffer_emit_float(intel,f)
141 #define OUT_RELOC(buf, read_domains, write_domain, delta) do { \
142 intel_batchbuffer_emit_reloc(intel, buf, \
143 read_domains, write_domain, delta); \
145 #define OUT_RELOC_FENCED(buf, read_domains, write_domain, delta) do { \
146 intel_batchbuffer_emit_reloc_fenced(intel, buf, \
147 read_domains, write_domain, delta); \
150 #define ADVANCE_BATCH() intel_batchbuffer_advance(intel);
151 #define CACHED_BATCH() intel_batchbuffer_cached_advance(intel);