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ir_to_mesa: When generating a swizzle, respect the reg's current swizzle.

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Fixes depth-tex-modes-glsl.
This commit is contained in:
Eric Anholt
2010-06-30 15:26:41 -07:00
parent 77049a702a
commit 698b844443
1 changed files with 5 additions and 5 deletions
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10
src/mesa/shader/ir_to_mesa.cpp
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@@ -817,23 +817,23 @@ ir_to_mesa_visitor::visit(ir_swizzle *ir)
if (i < ir->type->vector_elements) {
switch (i) {
case 0:
swizzle[i] = ir->mask.x;
swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.x);
break;
case 1:
swizzle[i] = ir->mask.y;
swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.y);
break;
case 2:
swizzle[i] = ir->mask.z;
swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.z);
break;
case 3:
swizzle[i] = ir->mask.w;
swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.w);
break;
}
} else {
/* If the type is smaller than a vec4, replicate the last
* channel out.
*/
swizzle[i] = ir->type->vector_elements - 1;
swizzle[i] = swizzle[ir->type->vector_elements - 1];
}
}