From 66b6676d141463b8229e62be6249efd1cb6873a8 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 18 Mar 2010 15:02:13 -0600 Subject: gallivm: fix broken INCR/DECR stencil modes We were mistakenly using the wrong data type for stencil values before. --- src/gallium/auxiliary/gallivm/lp_bld_depth.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'src/gallium/auxiliary/gallivm') diff --git a/src/gallium/auxiliary/gallivm/lp_bld_depth.c b/src/gallium/auxiliary/gallivm/lp_bld_depth.c index e1558dca0e7..0841aa8ef86 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_depth.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_depth.c @@ -104,6 +104,8 @@ lp_build_stencil_test_single(struct lp_build_context *bld, struct lp_type type = bld->type; LLVMValueRef res; + assert(type.sign); + assert(stencil->enabled); if (stencil->valuemask != stencilMax) { @@ -200,6 +202,8 @@ lp_build_stencil_op_single(struct lp_build_context *bld, LLVMValueRef max = lp_build_const_int_vec(type, stencilMax); unsigned stencil_op; + assert(type.sign); + switch (op) { case S_FAIL_OP: stencil_op = stencil->fail_op; @@ -244,6 +248,7 @@ lp_build_stencil_op_single(struct lp_build_context *bld, break; case PIPE_STENCIL_OP_INVERT: res = LLVMBuildNot(bld->builder, stencilVals, ""); + res = LLVMBuildAnd(bld->builder, res, max, ""); break; default: assert(0 && "bad stencil op mode"); @@ -390,6 +395,8 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder, LLVMValueRef face) { struct lp_build_context bld; + struct lp_build_context sbld; + struct lp_type s_type; unsigned z_swizzle, s_swizzle; LLVMValueRef zs_dst, z_dst = NULL; LLVMValueRef stencil_vals = NULL; @@ -425,9 +432,13 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder, assert(type.norm); } - /* Setup build context */ + /* Setup build context for Z vals */ lp_build_context_init(&bld, builder, type); + /* Setup build context for stencil vals */ + s_type = lp_type_int_vec(type.width); + lp_build_context_init(&sbld, builder, s_type); + /* Load current z/stencil value from z/stencil buffer */ zs_dst = LLVMBuildLoad(builder, zs_dst_ptr, ""); @@ -491,13 +502,13 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder, stencil_refs[1] = lp_build_broadcast_scalar(&bld, stencil_refs[1]); - s_pass_mask = lp_build_stencil_test(&bld, stencil, + s_pass_mask = lp_build_stencil_test(&sbld, stencil, stencil_refs, stencil_vals, face); /* apply stencil-fail operator */ { LLVMValueRef s_fail_mask = lp_build_andc(&bld, orig_mask, s_pass_mask); - stencil_vals = lp_build_stencil_op(&bld, stencil, S_FAIL_OP, + stencil_vals = lp_build_stencil_op(&sbld, stencil, S_FAIL_OP, stencil_refs, stencil_vals, s_fail_mask, face); } @@ -530,13 +541,13 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder, /* apply Z-fail operator */ z_fail_mask = lp_build_andc(&bld, orig_mask, z_pass); - stencil_vals = lp_build_stencil_op(&bld, stencil, Z_FAIL_OP, + stencil_vals = lp_build_stencil_op(&sbld, stencil, Z_FAIL_OP, stencil_refs, stencil_vals, z_fail_mask, face); /* apply Z-pass operator */ z_pass_mask = LLVMBuildAnd(bld.builder, orig_mask, z_pass, ""); - stencil_vals = lp_build_stencil_op(&bld, stencil, Z_PASS_OP, + stencil_vals = lp_build_stencil_op(&sbld, stencil, Z_PASS_OP, stencil_refs, stencil_vals, z_pass_mask, face); } @@ -546,7 +557,7 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder, * passed the stencil test. */ s_pass_mask = LLVMBuildAnd(bld.builder, orig_mask, s_pass_mask, ""); - stencil_vals = lp_build_stencil_op(&bld, stencil, Z_PASS_OP, stencil_refs, + stencil_vals = lp_build_stencil_op(&sbld, stencil, Z_PASS_OP, stencil_refs, stencil_vals, s_pass_mask, face); } -- cgit v1.2.3