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-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_cs.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index ccba0c0b791..f6b9d6283f2 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -211,14 +211,30 @@ static struct radeon_winsys_cs *radeon_drm_cs_create(struct radeon_winsys *rws,
#define OUT_CS(cs, value) (cs)->buf[(cs)->cdw++] = (value)
static INLINE void update_reloc_domains(struct drm_radeon_cs_reloc *reloc,
- enum radeon_bo_domain rd,
- enum radeon_bo_domain wd,
+ enum radeon_bo_usage usage,
+ enum radeon_bo_domain new_domain,
enum radeon_bo_domain *added_domains)
{
- *added_domains = (rd | wd) & ~(reloc->read_domains | reloc->write_domain);
-
- reloc->read_domains |= rd;
- reloc->write_domain |= wd;
+ enum radeon_bo_domain current = reloc->read_domains | reloc->write_domain;
+ enum radeon_bo_domain final;
+
+ /* If there is at least one command which wants the buffer to be in VRAM
+ * only, keep it in VRAM. */
+ if ((current & new_domain) == RADEON_DOMAIN_VRAM)
+ final = RADEON_DOMAIN_VRAM;
+ else
+ final = current | new_domain;
+
+ *added_domains = final & ~current;
+
+ /* If we have at least one write usage... */
+ if (usage & RADEON_USAGE_WRITE || reloc->write_domain) {
+ reloc->write_domain = final;
+ reloc->read_domains = 0;
+ } else {
+ /* write_domain is zero */
+ reloc->read_domains = final;
+ }
}
int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo)
@@ -267,8 +283,6 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
struct radeon_cs_context *csc = cs->csc;
struct drm_radeon_cs_reloc *reloc;
unsigned hash = bo->handle & (sizeof(csc->is_handle_added)-1);
- enum radeon_bo_domain rd = usage & RADEON_USAGE_READ ? domains : 0;
- enum radeon_bo_domain wd = usage & RADEON_USAGE_WRITE ? domains : 0;
bool update_hash = TRUE;
int i;
@@ -298,7 +312,7 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
* update the cmd stream with proper buffer offset).
*/
update_hash = FALSE;
- update_reloc_domains(reloc, rd, wd, added_domains);
+ update_reloc_domains(reloc, usage, domains, added_domains);
if (cs->base.ring_type != RING_DMA) {
csc->reloc_indices_hashlist[hash] = i;
return i;
@@ -326,8 +340,10 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
p_atomic_inc(&bo->num_cs_references);
reloc = &csc->relocs[csc->crelocs];
reloc->handle = bo->handle;
- reloc->read_domains = rd;
- reloc->write_domain = wd;
+ if (usage & RADEON_USAGE_WRITE)
+ reloc->write_domain = domains;
+ else
+ reloc->read_domains = domains;
reloc->flags = 0;
csc->is_handle_added[hash] = TRUE;
@@ -337,7 +353,7 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
csc->chunks[1].length_dw += RELOC_DWORDS;
- *added_domains = rd | wd;
+ *added_domains = domains;
return csc->crelocs++;
}