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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) { if (i < ir->type->vector_elements) {
switch (i) { switch (i) {
case 0: case 0:
swizzle[i] = ir->mask.x; swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.x);
break; break;
case 1: case 1:
swizzle[i] = ir->mask.y; swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.y);
break; break;
case 2: case 2:
swizzle[i] = ir->mask.z; swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.z);
break; break;
case 3: case 3:
swizzle[i] = ir->mask.w; swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.w);
break; break;
} }
} else { } else {
/* If the type is smaller than a vec4, replicate the last /* If the type is smaller than a vec4, replicate the last
* channel out. * channel out.
*/ */
swizzle[i] = ir->type->vector_elements - 1; swizzle[i] = swizzle[ir->type->vector_elements - 1];
} }
} }