Module: Mesa
Branch: master
Commit: 07a02a3390cb212eac28eaf63a3eb7b961b5cbac
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=07a02a3390cb212eac28eaf63a3eb7b961b5cbac
Author: Erik Faye-Lund <erik.faye-l...@collabora.com>
Date: Fri Apr 9 08:41:07 2021 +0200
gallium/st: correct range for float16
Fixes: b83f4b9fa23 ("glsl: Add an IR lowering pass to convert mediump
operations to 16-bit")
Reviewed-by: Alyssa Rosenzweig <aly...@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10128>
---
src/mesa/state_tracker/st_extensions.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/mesa/state_tracker/st_extensions.c
b/src/mesa/state_tracker/st_extensions.c
index 9578c6d07fb..0ec5d1be1f4 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -309,6 +309,13 @@ void st_init_limits(struct pipe_screen *screen,
pc->MediumInt = pc->HighInt = pc->LowInt;
}
+ if (screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_FP16)) {
+ pc->LowFloat.RangeMin = 15;
+ pc->LowFloat.RangeMax = 15;
+ pc->LowFloat.Precision = 10;
+ pc->MediumFloat = pc->LowFloat;
+ }
+
/* TODO: make these more fine-grained if anyone needs it */
options->MaxIfDepth =
screen->get_shader_param(screen, sh,
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