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Code Issues 9 Packages Projects Releases Wiki Activity

panfrost: clamp buffer-size to max-size 

When texture-buffers are created from buffers that are larger than the
max-size, the correct thing to do is to clamp the size. Let's do that.

This fixes these piglits:
- spec/arb_texture_buffer_object/texture-buffer-size-clamp/r8ui_texture_buffer_size_via_sampler
- spec/arb_texture_buffer_object/texture-buffer-size-clamp/rg8ui_texture_buffer_size_via_sampler
- spec/arb_texture_buffer_object/texture-buffer-size-clamp/rgba8ui_texture_buffer_size_via_sampler

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28908>
This commit is contained in:
Erik Faye-Lund 2024-04-24 22:14:36 +02:00 committed by Marge Bot
parent 19aa0b9473
commit 86cce0e677
1 changed files with 3 additions and 1 deletions
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4
src/gallium/drivers/panfrost/pan_cmdstream.c
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@ -983,7 +983,8 @@ panfrost_upload_txs_sysval(struct panfrost_batch *batch,
if (tex->target == PIPE_BUFFER) {
assert(dim == 1);
uniform->i[0] = tex->u.buf.size / util_format_get_blocksize(tex->format);
unsigned buf_size = tex->u.buf.size / util_format_get_blocksize(tex->format);
uniform->i[0] = MIN2(buf_size, PAN_MAX_TEXEL_BUFFER_ELEMENTS);
return;
}
@ -1539,6 +1540,7 @@ panfrost_create_sampler_view_bo(struct panfrost_sampler_view *so,
unsigned buf_offset = is_buffer ? so->base.u.buf.offset : 0;
unsigned buf_size =
(is_buffer ? so->base.u.buf.size : 0) / util_format_get_blocksize(format);
buf_size = MIN2(buf_size, PAN_MAX_TEXEL_BUFFER_ELEMENTS);
if (so->base.target == PIPE_TEXTURE_3D) {
first_layer /= prsrc->image.layout.depth;