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radeonsi: always use a staging texture for linear 1D textures in VRAM

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Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7721>
This commit is contained in:
Marek Olšák 2020-10-11 21:23:40 -04:00
parent ebcca77d4b
commit 2f50dea218
1 changed files with 5 additions and 1 deletions
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6
src/gallium/drivers/radeonsi/si_texture.c
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@ -1861,13 +1861,17 @@ static void *si_texture_transfer_map(struct pipe_context *ctx, struct pipe_resou
/* Tiled textures need to be converted into a linear texture for CPU
* access. The staging texture is always linear and is placed in GART.
*
* Always use a staging texture for VRAM, so that we don't map it and
* don't relocate it to GTT.
*
* Reading from VRAM or GTT WC is slow, always use the staging
* texture in this case.
*
* Use the staging texture for uploads if the underlying BO
* is busy.
*/
if (!tex->surface.is_linear || (tex->buffer.flags & RADEON_FLAG_ENCRYPTED))
if (!tex->surface.is_linear || (tex->buffer.flags & RADEON_FLAG_ENCRYPTED) ||
tex->buffer.domains & RADEON_DOMAIN_VRAM)
use_staging_texture = true;
else if (usage & PIPE_MAP_READ)
use_staging_texture =