Commit 20836c81 authored by Brian Paul's avatar Brian Paul
Browse files

st/mesa: set MaxUnrollIterations = 255

The default was 32 for the EmitNoLoops=0 case.  This allows the oZone3D
soft shadows test to work properly with the vmware driver.  Jose reported
that SM3 supports up to 255 loop iterations.

NOTE: This is a candidate for the 8.0 branch.
Reviewed-by: Jose Fonseca's avatarJosé Fonseca <>
parent 7feabfe2
......@@ -216,6 +216,8 @@ void st_init_limits(struct st_context *st)
if (options->EmitNoLoops)
options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
options->MaxUnrollIterations = 255; /* SM3 limit */
/* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
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