Module: Mesa Branch: main Commit: 37f6714fe797d7146e85c4b67665b470b9475016 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=37f6714fe797d7146e85c4b67665b470b9475016
Author: Chia-I Wu <[email protected]> Date: Wed Feb 8 12:25:17 2023 -0800 turnip: add a comment to tu_render_pass_cond_config Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21206> --- src/freedreno/vulkan/tu_pass.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/freedreno/vulkan/tu_pass.c b/src/freedreno/vulkan/tu_pass.c index e6256e68bc0..e84604575db 100644 --- a/src/freedreno/vulkan/tu_pass.c +++ b/src/freedreno/vulkan/tu_pass.c @@ -537,6 +537,12 @@ tu_render_pass_cond_config(struct tu_render_pass *pass) for (uint32_t i = 0; i < pass->attachment_count; i++) { struct tu_render_pass_attachment *att = &pass->attachments[i]; + /* When there is no geometry in a tile, and there is no other operations to + * read/write the tile, we can skip load/store. + * + * The only other operations are clear and resolve, which disable + * conditional load/store. + */ att->cond_load_allowed = (att->load || att->load_stencil) && !att->clear_mask && !att->will_be_resolved; att->cond_store_allowed =
