Fixed countl_zero_bit

Przemog1 · Przemog1 · commit 19b8f0235992 · 2023-10-23T10:18:11.000+02:00
diff --git a/include/nbl/builtin/hlsl/bit.hlsl b/include/nbl/builtin/hlsl/bit.hlsl
@@ -61,7 +61,7 @@ template<typename T>
 uint16_t countl_zero(T n)
 {
     uint16_t result = 0u;
-    for(uint32_t bits_log2 = 6u; bits_log2 >= 0u; bits_log2--)
+    for(int32_t bits_log2 = 6u; bits_log2 >= 0u; bits_log2--)
     {
         const uint16_t shift = bits_log2 ? uint16_t(1)<<(bits_log2-1) : 0;
         const uint64_t loMask = bits_log2 ? (1ull<<shift)-1 : 0;

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ template<typename T>`
`61`	`61`	`uint16_t countl_zero(T n)`
`62`	`62`	`{`
`63`	`63`	`uint16_t result = 0u;`
`64`		`- for(uint32_t bits_log2 = 6u; bits_log2 >= 0u; bits_log2--)`
	`64`	`+ for(int32_t bits_log2 = 6u; bits_log2 >= 0u; bits_log2--)`
`65`	`65`	`{`
`66`	`66`	`const uint16_t shift = bits_log2 ? uint16_t(1)<<(bits_log2-1) : 0;`
`67`	`67`	`const uint64_t loMask = bits_log2 ? (1ull<<shift)-1 : 0;`