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draw: corrections to allow for different cliptest cases

This commit is contained in:
Hui Qi Tay 2010-10-18 18:48:18 +01:00 committed by Keith Whitwell
parent b5236f3da4
commit ab2e1edd1f
1 changed files with 5 additions and 3 deletions
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8
src/gallium/auxiliary/draw/draw_llvm.c
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@ -861,9 +861,11 @@ generate_clipmask(LLVMBuilderRef builder,
struct lp_type f32_type = lp_type_float_vec(32);
mask = lp_build_const_int_vec(lp_type_int_vec(32), 0);
temp = lp_build_const_int_vec(lp_type_int_vec(32), 0);
zero = lp_build_const_vec(f32_type, 0); /* 0.0f 0.0f 0.0f 0.0f */
shift = lp_build_const_int_vec(lp_type_int_vec(32), 1); /* 1 1 1 1 */
/* Assuming position stored at output[0] */
pos_x = LLVMBuildLoad(builder, outputs[0][0], ""); /*x0 x1 x2 x3*/
pos_y = LLVMBuildLoad(builder, outputs[0][1], ""); /*y0 y1 y2 y3*/
@ -900,10 +902,10 @@ generate_clipmask(LLVMBuilderRef builder,
}
if (clip_z){
temp = lp_build_const_int_vec(lp_type_int_vec(32), 16);
if (clip_halfz){
/* plane 5 */
test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, pos_z);
temp = LLVMBuildShl(builder, temp, shift, "");
test = LLVMBuildAnd(builder, test, temp, "");
mask = LLVMBuildOr(builder, mask, test, "");
}
@ -911,7 +913,6 @@ generate_clipmask(LLVMBuilderRef builder,
/* plane 5 */
test = LLVMBuildFAdd(builder, pos_z, pos_w, "");
test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, test);
temp = LLVMBuildShl(builder, temp, shift, "");
test = LLVMBuildAnd(builder, test, temp, "");
mask = LLVMBuildOr(builder, mask, test, "");
}
@ -925,6 +926,7 @@ generate_clipmask(LLVMBuilderRef builder,
if (clip_user){
LLVMValueRef planes_ptr = draw_jit_context_planes(builder, context_ptr);
LLVMValueRef indices[3];
temp = lp_build_const_int_vec(lp_type_int_vec(32), 32);
/* userclip planes */
for (i = 6; i < nr; i++) {