Mesa (master): panfrost: Fix textureSize for buffer textures

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Module: Mesa
Branch: master
Commit: ffb5488c73d99449d4f83bcbdbf6644744d495de
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ffb5488c73d99449d4f83bcbdbf6644744d495de

Author: Icecream95 <ixn at disroot.org>
Date:   Fri Jan  8 11:16:55 2021 +1300

panfrost: Fix textureSize for buffer textures

Suggested-by: Boris Brezillon <boris.brezillon at collabora.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8300>

---

 src/gallium/drivers/panfrost/pan_cmdstream.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/gallium/drivers/panfrost/pan_cmdstream.c b/src/gallium/drivers/panfrost/pan_cmdstream.c
index 5a62265d9cf..a4b90332171 100644
--- a/src/gallium/drivers/panfrost/pan_cmdstream.c
+++ b/src/gallium/drivers/panfrost/pan_cmdstream.c
@@ -762,6 +762,14 @@ static void panfrost_upload_txs_sysval(struct panfrost_batch *batch,
         struct pipe_sampler_view *tex = &ctx->sampler_views[st][texidx]->base;
 
         assert(dim);
+
+        if (tex->target == PIPE_BUFFER) {
+                assert(dim == 1);
+                uniform->i[0] =
+                        tex->u.buf.size / util_format_get_blocksize(tex->format);
+                return;
+        }
+
         uniform->i[0] = u_minify(tex->texture->width0, tex->u.tex.first_level);
 
         if (dim > 1)