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vc4: Implement texture_subdata() to directly upload tiled data.

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This avoids a memcpy into a temporary in the upload path.

Improves x11perf -putimage100 performance by 12.1586% +/- 1.38155% (n=145)
This commit is contained in:
Eric Anholt 2018-08-08 17:34:42 -07:00
parent 25bee5ef9e
commit fdfb689a48
1 changed files with 39 additions and 1 deletions
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40
src/gallium/drivers/vc4/vc4_resource.c
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@ -231,6 +231,44 @@ fail:
return NULL;
}
static void
vc4_texture_subdata(struct pipe_context *pctx,
struct pipe_resource *prsc,
unsigned level,
unsigned usage,
const struct pipe_box *box,
const void *data,
unsigned stride,
unsigned layer_stride)
{
struct vc4_resource *rsc = vc4_resource(prsc);
struct vc4_resource_slice *slice = &rsc->slices[level];
/* For a direct mapping, we can just take the u_transfer path. */
if (!rsc->tiled ||
box->depth != 1 ||
(usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)) {
return u_default_texture_subdata(pctx, prsc, level, usage, box,
data, stride, layer_stride);
}
/* Otherwise, map and store the texture data directly into the tiled
* texture.
*/
void *buf;
if (usage & PIPE_TRANSFER_UNSYNCHRONIZED)
buf = vc4_bo_map_unsynchronized(rsc->bo);
else
buf = vc4_bo_map(rsc->bo);
vc4_store_tiled_image(buf + slice->offset +
box->z * rsc->cube_map_stride,
slice->stride,
(void *)data, stride,
slice->tiling, rsc->cpp,
box);
}
static void
vc4_resource_destroy(struct pipe_screen *pscreen,
struct pipe_resource *prsc)
@ -1112,7 +1150,7 @@ vc4_resource_context_init(struct pipe_context *pctx)
pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
pctx->buffer_subdata = u_default_buffer_subdata;
pctx->texture_subdata = u_default_texture_subdata;
pctx->texture_subdata = vc4_texture_subdata;
pctx->create_surface = vc4_create_surface;
pctx->surface_destroy = vc4_surface_destroy;
pctx->resource_copy_region = util_resource_copy_region;