gallium/radeon: small cleanups in r600_texture_transfer_map

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-05-12 13:26:24 +02:00
parent 54737aabb9
commit f6742859b7

View file

@ -1237,6 +1237,8 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
unsigned offset = 0;
char *map;
assert(!(texture->flags & R600_RESOURCE_FLAG_TRANSFER));
/* We cannot map a tiled texture directly because the data is
* in a different order, therefore we do detiling using a blit.
*
@ -1257,10 +1259,6 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
use_staging_texture = TRUE;
}
if (texture->flags & R600_RESOURCE_FLAG_TRANSFER) {
use_staging_texture = FALSE;
}
trans = CALLOC_STRUCT(r600_transfer);
if (!trans)
return NULL;
@ -1327,6 +1325,7 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
trans->transfer.stride = staging_depth->surface.level[level].pitch_bytes;
trans->transfer.layer_stride = staging_depth->surface.level[level].slice_size;
trans->staging = (struct r600_resource*)staging_depth;
buf = trans->staging;
} else if (use_staging_texture) {
struct pipe_resource resource;
struct r600_texture *staging;
@ -1346,21 +1345,18 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
trans->staging = &staging->resource;
trans->transfer.stride = staging->surface.level[0].pitch_bytes;
trans->transfer.layer_stride = staging->surface.level[0].slice_size;
if (usage & PIPE_TRANSFER_READ) {
if (usage & PIPE_TRANSFER_READ)
r600_copy_to_staging_texture(ctx, trans);
}
else
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
buf = trans->staging;
} else {
/* the resource is mapped directly */
trans->transfer.stride = rtex->surface.level[level].pitch_bytes;
trans->transfer.layer_stride = rtex->surface.level[level].slice_size;
offset = r600_texture_get_offset(rtex, level, box);
}
if (trans->staging) {
buf = trans->staging;
if (!rtex->is_depth && !(usage & PIPE_TRANSFER_READ))
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
} else {
buf = &rtex->resource;
}