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-rw-r--r--src/gallium/drivers/radeon/radeon_winsys.h47
1 files changed, 41 insertions, 6 deletions
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index 1d59b282882..d1c761f4eea 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -52,6 +52,7 @@ enum radeon_bo_flag { /* bitfield */
RADEON_FLAG_NO_SUBALLOC = (1 << 2),
RADEON_FLAG_SPARSE = (1 << 3),
RADEON_FLAG_NO_INTERPROCESS_SHARING = (1 << 4),
+ RADEON_FLAG_READ_ONLY = (1 << 5),
};
enum radeon_bo_usage { /* bitfield */
@@ -653,8 +654,10 @@ static inline void radeon_emit_array(struct radeon_winsys_cs *cs,
enum radeon_heap {
RADEON_HEAP_VRAM_NO_CPU_ACCESS,
+ RADEON_HEAP_VRAM_READ_ONLY,
RADEON_HEAP_VRAM,
RADEON_HEAP_GTT_WC,
+ RADEON_HEAP_GTT_WC_READ_ONLY,
RADEON_HEAP_GTT,
RADEON_MAX_SLAB_HEAPS,
RADEON_MAX_CACHED_HEAPS = RADEON_MAX_SLAB_HEAPS,
@@ -664,9 +667,11 @@ static inline enum radeon_bo_domain radeon_domain_from_heap(enum radeon_heap hea
{
switch (heap) {
case RADEON_HEAP_VRAM_NO_CPU_ACCESS:
+ case RADEON_HEAP_VRAM_READ_ONLY:
case RADEON_HEAP_VRAM:
return RADEON_DOMAIN_VRAM;
case RADEON_HEAP_GTT_WC:
+ case RADEON_HEAP_GTT_WC_READ_ONLY:
case RADEON_HEAP_GTT:
return RADEON_DOMAIN_GTT;
default:
@@ -683,11 +688,21 @@ static inline unsigned radeon_flags_from_heap(enum radeon_heap heap)
RADEON_FLAG_NO_CPU_ACCESS |
RADEON_FLAG_NO_INTERPROCESS_SHARING;
+ case RADEON_HEAP_VRAM_READ_ONLY:
+ return RADEON_FLAG_GTT_WC |
+ RADEON_FLAG_NO_INTERPROCESS_SHARING |
+ RADEON_FLAG_READ_ONLY;
+
case RADEON_HEAP_VRAM:
case RADEON_HEAP_GTT_WC:
return RADEON_FLAG_GTT_WC |
RADEON_FLAG_NO_INTERPROCESS_SHARING;
+ case RADEON_HEAP_GTT_WC_READ_ONLY:
+ return RADEON_FLAG_GTT_WC |
+ RADEON_FLAG_NO_INTERPROCESS_SHARING |
+ RADEON_FLAG_READ_ONLY;
+
case RADEON_HEAP_GTT:
default:
return RADEON_FLAG_NO_INTERPROCESS_SHARING;
@@ -702,9 +717,11 @@ static inline unsigned radeon_get_pb_cache_bucket_index(enum radeon_heap heap)
switch (heap) {
case RADEON_HEAP_VRAM_NO_CPU_ACCESS:
return 0;
+ case RADEON_HEAP_VRAM_READ_ONLY:
case RADEON_HEAP_VRAM:
return 1;
case RADEON_HEAP_GTT_WC:
+ case RADEON_HEAP_GTT_WC_READ_ONLY:
return 2;
case RADEON_HEAP_GTT:
default:
@@ -728,23 +745,41 @@ static inline int radeon_get_heap_index(enum radeon_bo_domain domain,
/* Unsupported flags: NO_SUBALLOC, SPARSE. */
if (flags & ~(RADEON_FLAG_GTT_WC |
RADEON_FLAG_NO_CPU_ACCESS |
- RADEON_FLAG_NO_INTERPROCESS_SHARING))
+ RADEON_FLAG_NO_INTERPROCESS_SHARING |
+ RADEON_FLAG_READ_ONLY))
return -1;
switch (domain) {
case RADEON_DOMAIN_VRAM:
- if (flags & RADEON_FLAG_NO_CPU_ACCESS)
+ switch (flags & (RADEON_FLAG_NO_CPU_ACCESS | RADEON_FLAG_READ_ONLY)) {
+ case RADEON_FLAG_NO_CPU_ACCESS | RADEON_FLAG_READ_ONLY:
+ assert(!"NO_CPU_ACCESS | READ_ONLY doesn't make sense");
+ return -1;
+ case RADEON_FLAG_NO_CPU_ACCESS:
return RADEON_HEAP_VRAM_NO_CPU_ACCESS;
- else
+ case RADEON_FLAG_READ_ONLY:
+ return RADEON_HEAP_VRAM_READ_ONLY;
+ case 0:
return RADEON_HEAP_VRAM;
+ }
+ break;
case RADEON_DOMAIN_GTT:
- if (flags & RADEON_FLAG_GTT_WC)
+ switch (flags & (RADEON_FLAG_GTT_WC | RADEON_FLAG_READ_ONLY)) {
+ case RADEON_FLAG_GTT_WC | RADEON_FLAG_READ_ONLY:
+ return RADEON_HEAP_GTT_WC_READ_ONLY;
+ case RADEON_FLAG_GTT_WC:
return RADEON_HEAP_GTT_WC;
- else
+ case RADEON_FLAG_READ_ONLY:
+ assert(!"READ_ONLY without WC is disallowed");
+ return -1;
+ case 0:
return RADEON_HEAP_GTT;
+ }
+ break;
default:
- return -1;
+ break;
}
+ return -1;
}
#endif