zink: clear the fb clears array instead of freeing it on reset

this cuts cpu usage by ~2% in sourcemark due to not reallocating the array
on every draw

Reviewed-by: Hoe Hao Cheng <haochengho12907@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11499>

diff --git a/src/gallium/drivers/zink/zink_clear.c b/src/gallium/drivers/zink/zink_clear.c
index bf38e97..21d5b34 100644 (file)
--- a/src/gallium/drivers/zink/zink_clear.c
+++ b/src/gallium/drivers/zink/zink_clear.c
@@ -578,7 +578,7 @@ fb_clears_apply_internal(struct zink_context *ctx, struct pipe_resource *pres, i
 void
 zink_fb_clear_reset(struct zink_context *ctx, unsigned i)
 {
-   util_dynarray_fini(&ctx->fb_clears[i].clears);
+   util_dynarray_clear(&ctx->fb_clears[i].clears);
    if (i == PIPE_MAX_COLOR_BUFS) {
       ctx->clears_enabled &= ~PIPE_CLEAR_DEPTHSTENCIL;
       ctx->rp_clears_enabled &= ~PIPE_CLEAR_DEPTHSTENCIL;