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Exercise the whole aperture with tiled blits

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After full-gtt, gem_tiled_blits doesn't allocate enough to force
eviction. So query the total aperture and accommodate.

Also introduce a similar test that utilizes fences rather than
use the BLT to perform the tiling and detiling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2011-02-01 10:53:57 +00:00
parent 5fc09c82d4
commit 371f87f2d8
6 changed files with 249 additions and 58 deletions
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lib/intel_batchbuffer.h
+3 -26
View File
@@ -15,18 +15,8 @@ struct intel_batchbuffer
drm_intel_bo *bo;
uint8_t *buffer;
uint8_t *map;
uint8_t buffer[BATCH_SZ];
uint8_t *ptr;
/* debug stuff */
struct {
uint8_t *start_ptr;
unsigned int total;
} emit;
unsigned int size;
};
struct intel_batchbuffer *intel_batchbuffer_alloc(drm_intel_bufmgr *bufmgr,
@@ -56,14 +46,13 @@ void intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
static inline int
intel_batchbuffer_space(struct intel_batchbuffer *batch)
{
return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map);
return (BATCH_SZ - BATCH_RESERVED) - (batch->ptr - batch->buffer);
}
static inline void
intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, uint32_t dword)
{
assert(batch->map);
assert(intel_batchbuffer_space(batch) >= 4);
*(uint32_t *) (batch->ptr) = dword;
batch->ptr += 4;
@@ -73,7 +62,7 @@ static inline void
intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
unsigned int sz)
{
assert(sz < batch->size - 8);
assert(sz < BATCH_SZ - 8);
if (intel_batchbuffer_space(batch) < sz)
intel_batchbuffer_flush(batch);
}
@@ -84,9 +73,6 @@ intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
#define BEGIN_BATCH(n) do { \
intel_batchbuffer_require_space(batch, (n)*4); \
assert(batch->emit.start_ptr == NULL); \
batch->emit.total = (n) * 4; \
batch->emit.start_ptr = batch->ptr; \
} while (0)
#define OUT_BATCH(d) intel_batchbuffer_emit_dword(batch, d)
@@ -98,15 +84,6 @@ intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
} while (0)
#define ADVANCE_BATCH() do { \
unsigned int _n = batch->ptr - batch->emit.start_ptr; \
assert(batch->emit.start_ptr != NULL); \
if (_n != batch->emit.total) { \
fprintf(stderr, \
"ADVANCE_BATCH: %d of %d dwords emitted\n", \
_n, batch->emit.total); \
abort(); \
} \
batch->emit.start_ptr = NULL; \
} while(0)