Mesa (master): glsl: pack 16-bit uniforms in the NIR linker
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Tue Apr 13 05:32:52 UTC 2021
Module: Mesa
Branch: master
Commit: 6604aa2606c8075ea5943cca043b7497eee6276b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6604aa2606c8075ea5943cca043b7497eee6276b
Author: Marek Olšák <marek.olsak at amd.com>
Date: Fri Feb 12 08:14:07 2021 -0500
glsl: pack 16-bit uniforms in the NIR linker
Reviewed-by: Eric Anholt <eric at anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9050>
---
src/compiler/glsl/gl_nir_link_uniforms.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/compiler/glsl/gl_nir_link_uniforms.c b/src/compiler/glsl/gl_nir_link_uniforms.c
index 05bce275f79..4670b8520a9 100644
--- a/src/compiler/glsl/gl_nir_link_uniforms.c
+++ b/src/compiler/glsl/gl_nir_link_uniforms.c
@@ -672,6 +672,10 @@ add_parameter(struct gl_uniform_storage *uniform,
comps = 4;
}
+ /* TODO: This will waste space with 1 and 3 16-bit components. */
+ if (glsl_type_is_16bit(glsl_without_array(type)))
+ comps = DIV_ROUND_UP(comps, 2);
+
_mesa_add_parameter(params, PROGRAM_UNIFORM, uniform->name, comps,
glsl_get_gl_type(type), NULL, NULL, false);
}
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