diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_buffer.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_buffer.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/src/gallium/drivers/r600/r600_buffer.c b/src/gallium/drivers/r600/r600_buffer.c index f4566eeb9aa..116ab51196f 100644 --- a/src/gallium/drivers/r600/r600_buffer.c +++ b/src/gallium/drivers/r600/r600_buffer.c @@ -206,29 +206,31 @@ bool r600_init_resource(struct r600_screen *rscreen, { uint32_t initial_domain, domains; - /* Staging resources particpate in transfers and blits only - * and are used for uploads and downloads from regular - * resources. We generate them internally for some transfers. - */ - if (usage == PIPE_USAGE_STAGING) { + switch(usage) { + case PIPE_USAGE_STAGING: + /* Staging resources participate in transfers, i.e. are used + * for uploads and downloads from regular resources. + * We generate them internally for some transfers. + */ + initial_domain = RADEON_DOMAIN_GTT; domains = RADEON_DOMAIN_GTT; + break; + case PIPE_USAGE_DYNAMIC: + case PIPE_USAGE_STREAM: + /* Default to GTT, but allow the memory manager to move it to VRAM. */ initial_domain = RADEON_DOMAIN_GTT; - } else { domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM; - - switch(usage) { - case PIPE_USAGE_DYNAMIC: - case PIPE_USAGE_STREAM: - case PIPE_USAGE_STAGING: - initial_domain = RADEON_DOMAIN_GTT; - break; - case PIPE_USAGE_DEFAULT: - case PIPE_USAGE_STATIC: - case PIPE_USAGE_IMMUTABLE: - default: - initial_domain = RADEON_DOMAIN_VRAM; - break; - } + break; + case PIPE_USAGE_DEFAULT: + case PIPE_USAGE_STATIC: + case PIPE_USAGE_IMMUTABLE: + default: + /* Don't list GTT here, because the memory manager would put some + * resources to GTT no matter what the initial domain is. + * Not listing GTT in the domains improves performance a lot. */ + initial_domain = RADEON_DOMAIN_VRAM; + domains = RADEON_DOMAIN_VRAM; + break; } res->buf = rscreen->ws->buffer_create(rscreen->ws, size, alignment, bind, initial_domain); |