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mesa: Propagate gl_FragDepth layout from GLSL IR to Mesa IR

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Chad Versace
2011-01-27 01:40:35 -08:00
parent addae33d6b
commit a1b83464ff
2 changed files with 41 additions and 0 deletions
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23
src/mesa/program/ir_to_mesa.cpp
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@@ -727,6 +727,29 @@ ir_to_mesa_visitor::visit(ir_variable *ir)
fp->OriginUpperLeft = ir->origin_upper_left;
fp->PixelCenterInteger = ir->pixel_center_integer;
} else if (strcmp(ir->name, "gl_FragDepth") == 0) {
struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
switch (ir->depth_layout) {
case ir_depth_layout_none:
fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_NONE;
break;
case ir_depth_layout_any:
fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_ANY;
break;
case ir_depth_layout_greater:
fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_GREATER;
break;
case ir_depth_layout_less:
fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_LESS;
break;
case ir_depth_layout_unchanged:
fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_UNCHANGED;
break;
default:
assert(0);
break;
}
}
if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {