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authorEric Anholt <eric@anholt.net>2018-08-08 17:34:42 -0700
committerEric Anholt <eric@anholt.net>2018-08-08 18:14:31 -0700
commitfdfb689a48b11954f35fe39ad49cbe2108f2e279 (patch)
tree0c02305db9c104c82a385dfc1f53351f330bcbc4 /src/gallium/drivers/vc4
parent25bee5ef9ea923bf0d99f5f8eb19082c449f3e53 (diff)
vc4: Implement texture_subdata() to directly upload tiled data.
This avoids a memcpy into a temporary in the upload path. Improves x11perf -putimage100 performance by 12.1586% +/- 1.38155% (n=145)
Diffstat (limited to 'src/gallium/drivers/vc4')
-rw-r--r--src/gallium/drivers/vc4/vc4_resource.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c
index f2adb290614..e169303f4a3 100644
--- a/src/gallium/drivers/vc4/vc4_resource.c
+++ b/src/gallium/drivers/vc4/vc4_resource.c
@@ -232,6 +232,44 @@ fail:
}
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;