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zink: allow direct memory mapping for any COHERENT+CACHED buffer

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some drivers may provide this in heaps that get used by non-staging resources,
so avoid extra copies in that case

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19281>
This commit is contained in:
Mike Blumenkrantz
2022-10-24 11:58:13 -04:00
committed by Marge Bot
parent 71ee1dd597
commit a3552048c7
2 changed files with 4 additions and 1 deletions
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1
src/gallium/drivers/zink/zink_bo.h
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@@ -30,6 +30,7 @@
#include "zink_batch.h"
#define VK_VIS_VRAM (VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)
#define VK_STAGING_RAM (VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT)
#define VK_LAZY_VRAM (VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)

4
src/gallium/drivers/zink/zink_resource.c
View File

@@ -1853,7 +1853,9 @@ zink_buffer_map(struct pipe_context *pctx,
goto success;
usage |= PIPE_MAP_UNSYNCHRONIZED;
} else if (!(usage & PIPE_MAP_UNSYNCHRONIZED) &&
(((usage & PIPE_MAP_READ) && !(usage & PIPE_MAP_PERSISTENT) && res->base.b.usage != PIPE_USAGE_STAGING) || !res->obj->host_visible)) {
(((usage & PIPE_MAP_READ) && !(usage & PIPE_MAP_PERSISTENT) &&
((res->obj->bo->base.placement & VK_STAGING_RAM) != VK_STAGING_RAM)) ||
!res->obj->host_visible)) {
assert(!(usage & (TC_TRANSFER_MAP_THREADED_UNSYNC | PIPE_MAP_THREAD_SAFE)));
if (!res->obj->host_visible || !(usage & PIPE_MAP_ONCE)) {
trans->offset = box->x % screen->info.props.limits.minMemoryMapAlignment;