From ec111247c614663d8231245a17c314b9b8b4a28c Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 21 Dec 2019 22:24:15 +0800
Subject: *misc

---
 src/core/depth.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/core/depth.c

(limited to 'src/core/depth.c')

diff --git a/src/core/depth.c b/src/core/depth.c
new file mode 100644
index 0000000..e2c776b
--- /dev/null
+++ b/src/core/depth.c
@@ -0,0 +1,35 @@
+#include "mem.h"
+#include "depth.h"
+#include "../util/assert.h"
+
+bool depth_always(float src, float dst) {
+	return 1;
+}
+
+bool depth_never(float src, float dst) {
+	return 0;
+}
+
+bool depth_less(float src, float dst) {
+	return src < dst; 
+}
+
+bool depth_equal(float src, float dst) {
+	return src == dst; 
+}
+
+bool depth_leuqal(float src, float dst) {
+	return src <= dst;
+}
+
+bool depth_greater(float src, float dst) {
+	return src > dst; 
+}
+
+bool depth_notequal(float src, float dst) {
+	return src != dst;
+}
+
+bool depth_gequer(float src, float dst) {
+	return src >= dst;
+}
-- 
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