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glsl_to_tgsi: Avoid aliasing violations.

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Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Matt Turner
2016-07-28 12:43:19 -07:00
parent 500a3dd11f
commit bbe012f02a
1 changed files with 2 additions and 4 deletions
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src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+2 -4
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@@ -1131,8 +1131,7 @@ glsl_to_tgsi_visitor::st_src_reg_for_double(double val)
st_src_reg src(PROGRAM_IMMEDIATE, -1, GLSL_TYPE_DOUBLE);
union gl_constant_value uval[2];
uval[0].u = *(uint32_t *)&val;
uval[1].u = *(((uint32_t *)&val) + 1);
memcpy(uval, &val, sizeof(uval));
src.index = add_constant(src.file, uval, 1, GL_DOUBLE, &src.swizzle);
return src;
@@ -3066,8 +3065,7 @@ glsl_to_tgsi_visitor::visit(ir_constant *ir)
case GLSL_TYPE_DOUBLE:
gl_type = GL_DOUBLE;
for (i = 0; i < ir->type->vector_elements; i++) {
values[i * 2].i = *(uint32_t *)&ir->value.d[i];
values[i * 2 + 1].i = *(((uint32_t *)&ir->value.d[i]) + 1);
memcpy(&values[i * 2], &ir->value.d[i], sizeof(double));
}
break;
case GLSL_TYPE_UINT: