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authorRoland Scheidegger <[email protected]>2013-05-21 22:51:15 +0200
committerRoland Scheidegger <[email protected]>2013-05-22 22:57:27 +0200
commit5314f5d82972a1a7a8ccd9d828e66db3fcdbd412 (patch)
tree6e2d2fd073d1891087fcd162292ddd6210af4875
parent6d20e251f25b47c19a5fcd80d9aa30bf75367590 (diff)
llvmpipe: fix bug in early depth test / late depth write handling
Using wrong type if the format was less than 32bits. No piglit changes as it doesn't hit that path. Reviewed-by: Jose Fonseca <[email protected]>
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_depth.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.c b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
index 2376ca73c51..08138f0ad7d 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
@@ -680,15 +680,15 @@ lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
LLVMTypeRef load_ptr_type;
unsigned depth_bytes = format_desc->block.bits / 8;
struct lp_type zs_type = lp_depth_type(format_desc, z_src_type.length);
+ struct lp_type z_type = zs_type;
struct lp_type zs_load_type = zs_type;
zs_load_type.length = zs_load_type.length / 2;
load_ptr_type = LLVMPointerType(lp_build_vec_type(gallivm, zs_load_type), 0);
- if (zs_type.width > 32)
- zs_type.width = 32;
+ z_type.width = z_src_type.width;
- lp_build_context_init(&z_bld, gallivm, zs_type);
+ lp_build_context_init(&z_bld, gallivm, z_type);
/*
* This is far from ideal, at least for late depth write we should do this
@@ -742,7 +742,8 @@ lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
if (zs_type.width < z_src_type.width) {
/* Truncate ZS values (e.g., when writing to Z16_UNORM) */
- z_value = LLVMBuildTrunc(builder, z_value, z_bld.vec_type, "");
+ z_value = LLVMBuildTrunc(builder, z_value,
+ lp_build_int_vec_type(gallivm, zs_type), "");
}
if (format_desc->block.bits <= 32) {
@@ -762,9 +763,9 @@ lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
}
else {
if (z_src_type.length == 4) {
- zs_dst1 = lp_build_interleave2(gallivm, zs_type,
+ zs_dst1 = lp_build_interleave2(gallivm, z_type,
z_value, s_value, 0);
- zs_dst2 = lp_build_interleave2(gallivm, zs_type,
+ zs_dst2 = lp_build_interleave2(gallivm, z_type,
z_value, s_value, 1);
}
else {