OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

panfrost: Size tiled temp buffers correctly

Browse Source 
This should lower transient memory usage and improve performance
slightly (due to less memory to malloc/free, better cache locality,
etc).

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig
2019-04-03 03:52:36 +00:00
parent c0183e8eed
commit b34d8222c7
3 changed files with 13 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/gallium/drivers/panfrost/pan_resource.c
View File

@@ -390,8 +390,6 @@ panfrost_transfer_map(struct pipe_context *pctx,
transfer->base.level = level;
transfer->base.usage = usage;
transfer->base.box = *box;
transfer->base.stride = bo->slices[level].stride;
transfer->base.layer_stride = bo->cubemap_stride;
pipe_resource_reference(&transfer->base.resource, resource);
@@ -413,12 +411,17 @@ panfrost_transfer_map(struct pipe_context *pctx,
if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
return NULL;
transfer->base.stride = box->width * bytes_per_pixel;
transfer->base.layer_stride = transfer->base.stride * box->height;
/* TODO: Reads */
/* TODO: Only allocate "just" enough, shortening the stride */
transfer->map = malloc(transfer->base.stride * box->height);
transfer->map = malloc(transfer->base.layer_stride * box->depth);
return transfer->map;
} else {
transfer->base.stride = bo->slices[level].stride;
transfer->base.layer_stride = bo->cubemap_stride;
return bo->cpu
+ bo->slices[level].offset
+ transfer->base.box.z * bo->cubemap_stride
@@ -440,7 +443,6 @@ panfrost_tile_texture(struct panfrost_screen *screen, struct panfrost_resource *
trans->base.box.width,
trans->base.box.height,
util_format_get_blocksize(rsrc->base.format),
bo->slices[level].stride,
u_minify(rsrc->base.width0, level),
trans->map,
bo->cpu