diff options
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_buffer_common.c | 7 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_winsys.h | 20 |
2 files changed, 23 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c index 076faa9330c..4f5e17d5c89 100644 --- a/src/gallium/drivers/radeon/r600_buffer_common.c +++ b/src/gallium/drivers/radeon/r600_buffer_common.c @@ -167,6 +167,13 @@ void r600_init_resource_fields(struct r600_common_screen *rscreen, 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) + 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. diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h index b00b1443e74..f0a0a922a10 100644 --- a/src/gallium/drivers/radeon/radeon_winsys.h +++ b/src/gallium/drivers/radeon/radeon_winsys.h @@ -54,6 +54,7 @@ enum radeon_bo_flag { /* bitfield */ RADEON_FLAG_NO_CPU_ACCESS = (1 << 1), RADEON_FLAG_NO_SUBALLOC = (1 << 2), RADEON_FLAG_SPARSE = (1 << 3), + RADEON_FLAG_NO_INTERPROCESS_SHARING = (1 << 4), }; enum radeon_bo_usage { /* bitfield */ @@ -661,14 +662,19 @@ static inline unsigned radeon_flags_from_heap(enum radeon_heap heap) { switch (heap) { case RADEON_HEAP_VRAM_NO_CPU_ACCESS: - return RADEON_FLAG_GTT_WC | RADEON_FLAG_NO_CPU_ACCESS; + return RADEON_FLAG_GTT_WC | + RADEON_FLAG_NO_CPU_ACCESS | + RADEON_FLAG_NO_INTERPROCESS_SHARING; + case RADEON_HEAP_VRAM: case RADEON_HEAP_VRAM_GTT: case RADEON_HEAP_GTT_WC: - return RADEON_FLAG_GTT_WC; + return RADEON_FLAG_GTT_WC | + RADEON_FLAG_NO_INTERPROCESS_SHARING; + case RADEON_HEAP_GTT: default: - return 0; + return RADEON_FLAG_NO_INTERPROCESS_SHARING; } } @@ -700,8 +706,14 @@ static inline int radeon_get_heap_index(enum radeon_bo_domain domain, /* NO_CPU_ACCESS implies VRAM only. */ assert(!(flags & RADEON_FLAG_NO_CPU_ACCESS) || domain == RADEON_DOMAIN_VRAM); + /* Resources with interprocess sharing don't use any winsys allocators. */ + if (!(flags & RADEON_FLAG_NO_INTERPROCESS_SHARING)) + return -1; + /* Unsupported flags: NO_SUBALLOC, SPARSE. */ - if (flags & ~(RADEON_FLAG_GTT_WC | RADEON_FLAG_NO_CPU_ACCESS)) + if (flags & ~(RADEON_FLAG_GTT_WC | + RADEON_FLAG_NO_CPU_ACCESS | + RADEON_FLAG_NO_INTERPROCESS_SHARING)) return -1; switch (domain) { |