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st/glsl_to_tgsi: fix st_src_reg_for_double constant.

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This needs to set the src swizzle so it doesn't access the .zw
members ever when we are just emitting a 0 constant here.

This fixes:
vert-conversion-explicit-dvec3-bvec3.shader_test
and a bunch of other fp64 tests on softpipe and radeonsi.

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 26187f3890)
This commit is contained in:
Dave Airlie 2016-07-05 10:26:14 +10:00 • committed by Emil Velikov
parent 6847a37363
commit 7fe8cad4e4
1 changed files with 1 additions and 1 deletions
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src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -1136,7 +1136,7 @@ glsl_to_tgsi_visitor::st_src_reg_for_double(double val)
uval[0].u = *(uint32_t *)&val;
uval[1].u = *(((uint32_t *)&val) + 1);
src.index = add_constant(src.file, uval, 1, GL_DOUBLE, &src.swizzle);
src.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_X, SWIZZLE_Y);
return src;
}