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winsys/radeon: don't pre-allocate the relocations array

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It's really not necessary. Switch to an exponential resizing strategy.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-09-09 18:50:34 +02:00
parent f47da2e34f
commit d66bbfbede
1 changed files with 1 additions and 14 deletions
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15
src/gallium/winsys/radeon/drm/radeon_drm_cs.c
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@ -98,19 +98,6 @@ static bool radeon_init_cs_context(struct radeon_cs_context *csc,
int i;
csc->fd = ws->fd;
csc->nrelocs = 512;
csc->relocs_bo = (struct radeon_bo_item*)
CALLOC(1, csc->nrelocs * sizeof(csc->relocs_bo[0]));
if (!csc->relocs_bo) {
return false;
}
csc->relocs = (struct drm_radeon_cs_reloc*)
CALLOC(1, csc->nrelocs * sizeof(struct drm_radeon_cs_reloc));
if (!csc->relocs) {
FREE(csc->relocs_bo);
return false;
}
csc->chunks[0].chunk_id = RADEON_CHUNK_ID_IB;
csc->chunks[0].length_dw = 0;
@ -285,7 +272,7 @@ static unsigned radeon_add_buffer(struct radeon_drm_cs *cs,
/* New relocation, check if the backing array is large enough. */
if (csc->crelocs >= csc->nrelocs) {
uint32_t size;
csc->nrelocs += 10;
csc->nrelocs = MAX2(csc->nrelocs + 16, (unsigned)(csc->nrelocs * 1.3));
size = csc->nrelocs * sizeof(csc->relocs_bo[0]);
csc->relocs_bo = realloc(csc->relocs_bo, size);