[Mesa-dev] [PATCH 1/2] radeonsi: PIPE_BIND_SHARED should allow inter-process sharing
Marek Olšák
maraeo at gmail.com
Thu Sep 14 17:40:27 UTC 2017
From: Marek Olšák <marek.olsak at amd.com>
---
src/gallium/drivers/radeon/r600_buffer_common.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index f35bc2c..7515f7d 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -162,25 +162,24 @@ void r600_init_resource_fields(struct r600_common_screen *rscreen,
/* Tiled textures are unmappable. Always put them in VRAM. */
if ((res->b.b.target != PIPE_BUFFER && !rtex->surface.is_linear) ||
res->flags & R600_RESOURCE_FLAG_UNMAPPABLE) {
res->domains = RADEON_DOMAIN_VRAM;
res->flags |= RADEON_FLAG_NO_CPU_ACCESS |
RADEON_FLAG_GTT_WC;
}
/* Only displayable single-sample textures can be shared between
* processes. */
- if (res->b.b.target == PIPE_BUFFER ||
- res->b.b.nr_samples >= 2 ||
- (rtex->surface.micro_tile_mode != RADEON_MICRO_MODE_DISPLAY &&
- /* Raven doesn't use display micro mode for 32bpp, so check this: */
- !(res->b.b.bind & PIPE_BIND_SCANOUT)))
+ if (!(res->b.b.bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) &&
+ (res->b.b.target == PIPE_BUFFER ||
+ res->b.b.nr_samples >= 2 ||
+ rtex->surface.micro_tile_mode != RADEON_MICRO_MODE_DISPLAY))
res->flags |= RADEON_FLAG_NO_INTERPROCESS_SHARING;
/* If VRAM is just stolen system memory, allow both VRAM and
* GTT, whichever has free space. If a buffer is evicted from
* VRAM to GTT, it will stay there.
*
* DRM 3.6.0 has good BO move throttling, so we can allow VRAM-only
* placements even with a low amount of stolen VRAM.
*/
if (!rscreen->info.has_dedicated_vram &&
--
2.7.4
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