reflect missing stuff

include/cglm/call/vec2.h

@@ -197,6 +197,10 @@ CGLM_EXPORT
 void
 glmc_vec2_make(const float * __restrict src, vec2 dest);
 
+CGLM_EXPORT
+void
+glmc_vec2_reflect(vec2 I, vec2 N, vec2 dest);
+
 #ifdef __cplusplus
 }
 #endif

include/cglm/call/vec3.h

@@ -334,6 +334,10 @@ CGLM_EXPORT
 void
 glmc_vec3_make(const float * __restrict src, vec3 dest);
 
+CGLM_EXPORT
+void
+glmc_vec3_reflect(vec3 I, vec3 N, vec3 dest);
+
 #ifdef __cplusplus
 }
 #endif

include/cglm/call/vec4.h

@@ -311,6 +311,10 @@ CGLM_EXPORT
 void
 glmc_vec4_make(const float * __restrict src, vec4 dest);
 
+CGLM_EXPORT
+void
+glmc_vec4_reflect(vec4 I, vec4 N, vec4 dest);
+
 #ifdef __cplusplus
 }
 #endif

include/cglm/struct/vec2.h

@@ -54,6 +54,7 @@
    CGLM_INLINE vec2s glms_vec2_clamp(vec2s v, float minVal, float maxVal)
    CGLM_INLINE vec2s glms_vec2_lerp(vec2s from, vec2s to, float t)
    CGLM_INLINE vec2s glms_vec2_make(float * restrict src)
+   CGLM_INLINE vec2s glms_vec2_reflect(vec2s I, vec2s N)
  */
 
 #ifndef cglms_vec2s_h
@@ -691,4 +692,19 @@ glms_vec2_(make)(const float * __restrict src) {
   return dest;
 }
 
+/*!
+ * @brief reflection vector using an incident ray and a surface normal
+ *
+ * @param[in]  I    incident vector
+ * @param[in]  N    normalized normal vector
+ * @returns reflection result
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_(reflect)(vec2s I, vec2s N) {
+  vec2s dest;
+  glm_vec2_reflect(I.raw, N.raw, dest.raw);
+  return dest;
+}
+
 #endif /* cglms_vec2s_h */

include/cglm/struct/vec3.h

@@ -76,6 +76,7 @@
    CGLM_INLINE vec3s glms_vec3_smoothinterpc(vec3s from, vec3s to, float t);
    CGLM_INLINE vec3s glms_vec3_swizzle(vec3s v, int mask);
    CGLM_INLINE vec3s glms_vec3_make(float * restrict src);
+   CGLM_INLINE vec3s glms_vec3_reflect(vec3s I, vec3s N);
 
  Convenient:
    CGLM_INLINE vec3s glms_cross(vec3s a, vec3s b);
@@ -1083,4 +1084,19 @@ glms_vec3_(make)(const float * __restrict src) {
   return dest;
 }
 
+/*!
+ * @brief reflection vector using an incident ray and a surface normal
+ *
+ * @param[in]  I    incident vector
+ * @param[in]  N    normalized normal vector
+ * @returns reflection result
+ */
+CGLM_INLINE
+vec3s
+glms_vec3_(reflect)(vec3s I, vec3s N) {
+  vec3s dest;
+  glm_vec3_reflect(I.raw, N.raw, dest.raw);
+  return dest;
+}
+
 #endif /* cglms_vec3s_h */

include/cglm/struct/vec4.h

@@ -67,6 +67,7 @@
    CGLM_INLINE vec4s glms_vec4_cubic(float s);
    CGLM_INLINE vec4s glms_vec4_swizzle(vec4s v, int mask);
    CGLM_INLINE vec4s glms_vec4_make(float * restrict src);
+   CGLM_INLINE vec4s glms_vec4_reflect(vec4s I, vec4s N);
  */
 
 #ifndef cglms_vec4s_h
@@ -927,4 +928,19 @@ glms_vec4_(make)(const float * __restrict src) {
   return dest;
 }
 
+/*!
+ * @brief reflection vector using an incident ray and a surface normal
+ *
+ * @param[in]  I    incident vector
+ * @param[in]  N    normalized normal vector
+ * @returns reflection result
+ */
+CGLM_INLINE
+vec4s
+glms_vec4_(reflect)(vec4s I, vec4s N) {
+  vec4s dest;
+  glm_vec4_reflect(I.raw, N.raw, dest.raw);
+  return dest;
+}
+
 #endif /* cglms_vec4s_h */

include/cglm/vec3.h

@@ -81,6 +81,7 @@
    CGLM_INLINE void  glm_vec3_swizzle(vec3 v, int mask, vec3 dest);
    CGLM_INLINE void  glm_vec3_make(float * restrict src, vec3 dest);
    CGLM_INLINE void  glm_vec3_reflect(vec3 I, vec3 N, vec3 dest);
+   CGLM_INLINE void  glm_vec3_refract(vec3 I, vec3 N, float ior, vec3 dest);
 
  Convenient:
    CGLM_INLINE void  glm_cross(vec3 a, vec3 b, vec3 d);

src/vec2.c

@@ -302,3 +302,9 @@ void
 glmc_vec2_make(const float * __restrict src, vec2 dest) {
   glm_vec2_make(src, dest);
 }
+
+CGLM_EXPORT
+void
+glmc_vec2_reflect(vec2 I, vec2 N, vec2 dest) {
+  glm_vec2_reflect(I, N, dest);
+}

src/vec3.c

@@ -459,3 +459,15 @@ void
 glmc_vec3_make(const float * __restrict src, vec3 dest) {
   glm_vec3_make(src, dest);
 }
+
+CGLM_EXPORT
+void
+glmc_vec3_reflect(vec3 I, vec3 N, vec3 dest) {
+  glm_vec3_reflect(I, N, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec3_faceforward(vec3 N, vec3 I, vec3 Nref, vec3 dest) {
+  glm_vec3_faceforward(N, I, Nref, dest);
+}

src/vec4.c

@@ -423,3 +423,9 @@ void
 glmc_vec4_make(const float * __restrict src, vec4 dest) {
   glm_vec4_make(src, dest);
 }
+
+CGLM_EXPORT
+void
+glmc_vec4_reflect(vec4 I, vec4 N, vec4 dest) {
+  glm_vec4_reflect(I, N, dest);
+}