Mesa (llvm-cliptest-viewport): draw: corrections for w coordinate
Keith Whitwell
keithw at kemper.freedesktop.org
Sun Oct 17 20:45:51 UTC 2010
Module: Mesa
Branch: llvm-cliptest-viewport
Commit: c1d6b318661de2acdee38254d3750ed8dfc09e8b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c1d6b318661de2acdee38254d3750ed8dfc09e8b
Author: Hui Qi Tay <tayhuiqithq at gmail.com>
Date: Sat Oct 16 11:02:11 2010 +0100
draw: corrections for w coordinate
---
src/gallium/auxiliary/draw/draw_llvm.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 1c18d90..7afa37b 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -800,9 +800,10 @@ generate_viewport(struct draw_llvm *llvm,
/* for 1/w convention*/
out3 = LLVMBuildFDiv(builder, const1, out3, "");
-
+ LLVMBuildStore(builder, out3, outputs[0][3]);
+
/* Viewport Mapping */
- for (i=0; i<4; i++){
+ for (i=0; i<3; i++){
LLVMValueRef out = LLVMBuildLoad(builder, outputs[0][i], ""); /*x0 x1 x2 x3*/
LLVMValueRef scale = lp_build_const_vec(f32_type, scaleA[i]); /*sx sx sx sx*/
LLVMValueRef trans = lp_build_const_vec(f32_type, transA[i]); /*tx tx tx tx*/
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