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#ifndef BRW_BATCHBUFFER_H
#define BRW_BATCHBUFFER_H
#include "brw_types.h"
#include "brw_winsys.h"
#include "brw_reg.h"
#define BATCH_SZ 16384
#define BATCH_RESERVED 16
/* All ignored:
*/
enum cliprect_mode {
IGNORE_CLIPRECTS,
LOOP_CLIPRECTS,
NO_LOOP_CLIPRECTS,
REFERENCES_CLIPRECTS
};
void brw_batchbuffer_free(struct brw_batchbuffer *batch);
void _brw_batchbuffer_flush(struct brw_batchbuffer *batch,
const char *file, int line);
#define brw_batchbuffer_flush(batch) \
_brw_batchbuffer_flush(batch, __FILE__, __LINE__)
void brw_batchbuffer_reset(struct brw_batchbuffer *batch);
/* Unlike bmBufferData, this currently requires the buffer be mapped.
* Consider it a convenience function wrapping multple
* intel_buffer_dword() calls.
*/
void brw_batchbuffer_data(struct brw_batchbuffer *batch,
const void *data, GLuint bytes,
enum cliprect_mode cliprect_mode);
void brw_batchbuffer_release_space(struct brw_batchbuffer *batch,
GLuint bytes);
GLboolean brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch,
struct brw_winsys_buffer *buffer,
uint32_t read_domains,
uint32_t write_domain,
uint32_t offset);
/* Inline functions - might actually be better off with these
* non-inlined. Certainly better off switching all command packets to
* be passed as structs rather than dwords, but that's a little bit of
* work...
*/
static INLINE GLint
brw_batchbuffer_space(struct brw_batchbuffer *batch)
{
return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map);
}
static INLINE void
brw_batchbuffer_emit_dword(struct brw_batchbuffer *batch, GLuint dword)
{
assert(batch->map);
assert(brw_batchbuffer_space(batch) >= 4);
*(GLuint *) (batch->ptr) = dword;
batch->ptr += 4;
}
static INLINE boolean
brw_batchbuffer_require_space(struct brw_batchbuffer *batch,
GLuint sz,
enum cliprect_mode cliprect_mode)
{
assert(sz < batch->size - 8);
if (brw_batchbuffer_space(batch) < sz) {
assert(0);
return FALSE;
}
/* All commands should be executed once regardless of cliprect
* mode.
*/
(void)cliprect_mode;
}
/* Here are the crusty old macros, to be removed:
*/
#define BATCH_LOCALS
#define BEGIN_BATCH(n, cliprect_mode) do { \
brw_batchbuffer_require_space(intel->batch, (n)*4, cliprect_mode); \
assert(intel->batch->emit.start_ptr == NULL); \
intel->batch->emit.total = (n) * 4; \
intel->batch->emit.start_ptr = intel->batch->ptr; \
} while (0)
#define OUT_BATCH(d) brw_batchbuffer_emit_dword(intel->batch, d)
#define OUT_RELOC(buf, read_domains, write_domain, delta) do { \
assert((unsigned) (delta) < buf->size); \
brw_batchbuffer_emit_reloc(intel->batch, buf, \
read_domains, write_domain, delta); \
} while (0)
#define ADVANCE_BATCH() do { \
unsigned int _n = intel->batch->ptr - intel->batch->emit.start_ptr; \
assert(intel->batch->emit.start_ptr != NULL); \
if (_n != intel->batch->emit.total) { \
fprintf(stderr, "ADVANCE_BATCH: %d of %d dwords emitted\n", \
_n, intel->batch->emit.total); \
abort(); \
} \
intel->batch->emit.start_ptr = NULL; \
} while(0)
static INLINE void
brw_batchbuffer_emit_mi_flush(struct brw_batchbuffer *batch)
{
brw_batchbuffer_require_space(batch, 4, IGNORE_CLIPRECTS);
brw_batchbuffer_emit_dword(batch, MI_FLUSH);
}
#endif
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