Implement default infinite perspective projection matrix creation functions

include/cglm/call/cam.h

@@ -63,6 +63,10 @@ CGLM_EXPORT
 void
 glmc_perspective_default(float aspect, mat4 dest);
 
+CGLM_EXPORT
+void
+glmc_perspective_default_infinite(float aspect, mat4 dest);
+
 CGLM_EXPORT
 void
 glmc_perspective_resize(float aspect, mat4 proj);

include/cglm/cam.h

@@ -30,6 +30,7 @@
                                               float nearZ,
                                               mat4  dest)
    CGLM_INLINE void  glm_perspective_default(float aspect, mat4 dest)
+   CGLM_INLINE void  glm_perspective_default_infinite(float aspect, mat4 dest)
    CGLM_INLINE void  glm_perspective_resize(float aspect, mat4 proj)
    CGLM_INLINE void  glm_lookat(vec3 eye, vec3 center, vec3 up, mat4 dest)
    CGLM_INLINE void  glm_look(vec3 eye, vec3 dir, vec3 up, mat4 dest)
@@ -343,6 +344,27 @@ glm_perspective_default(float aspect, mat4 dest) {
 #endif
 }
 
+/*!
+ * @brief set up infinite perspective projection matrix with default near
+ *        and angle values
+ *
+ * @param[in]  aspect aspect ratio ( width / height )
+ * @param[out] dest   result matrix
+ */
+CGLM_INLINE
+void
+glm_perspective_default_infinite(float aspect, mat4 dest) {
+#if CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_ZO
+  glm_perspective_default_infinite_lh_zo(aspect, dest);
+#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_LH_NO
+  glm_perspective_default_infinite_lh_no(aspect, dest);
+#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_ZO
+  glm_perspective_default_infinite_rh_zo(aspect, dest);
+#elif CGLM_CONFIG_CLIP_CONTROL == CGLM_CLIP_CONTROL_RH_NO
+  glm_perspective_default_infinite_rh_no(aspect, dest);
+#endif
+}
+
 /*!
  * @brief resize perspective matrix by aspect ratio ( width / height )
  *        this makes very easy to resize proj matrix when window /viewport

include/cglm/clipspace/persp_lh_no.h

@@ -21,6 +21,7 @@
                                                    float nearZ,
                                                    mat4  dest)
    CGLM_INLINE void glm_perspective_default_lh_no(float aspect, mat4 dest)
+   CGLM_INLINE void glm_perspective_default_infinite_lh_no(float aspect, mat4 dest)
    CGLM_INLINE void glm_perspective_resize_lh_no(float aspect, mat4 proj)
    CGLM_INLINE void glm_persp_move_far_lh_no(mat4 proj,
                                              float deltaFar)
@@ -165,6 +166,20 @@ glm_perspective_default_lh_no(float aspect, mat4 dest) {
   glm_perspective_lh_no(GLM_PI_4f, aspect, 0.01f, 100.0f, dest);
 }
 
+/*!
+ * @brief set up infinite perspective projection matrix with default near
+ *        and angle values with a left-hand coordinate system and a
+ *        clip-space of [-1, 1].
+ *
+ * @param[in]  aspect aspect ratio ( width / height )
+ * @param[out] dest   result matrix
+ */
+CGLM_INLINE
+void
+glm_perspective_default_infinite_lh_no(float aspect, mat4 dest) {
+  glm_perspective_infinite_lh_no(GLM_PI_4f, aspect, 0.01f, dest);
+}
+
 /*!
  * @brief resize perspective matrix by aspect ratio ( width / height )
  *        this makes very easy to resize proj matrix when window /viewport

include/cglm/clipspace/persp_lh_zo.h

@@ -21,6 +21,7 @@
                                                    float nearZ,
                                                    mat4  dest)
    CGLM_INLINE void glm_perspective_default_lh_zo(float aspect, mat4 dest)
+   CGLM_INLINE void glm_perspective_default_infinite_lh_zo(float aspect, mat4 dest)
    CGLM_INLINE void glm_perspective_resize_lh_zo(float aspect, mat4 proj)
    CGLM_INLINE void glm_persp_move_far_lh_zo(mat4 proj,
                                              float deltaFar)
@@ -177,7 +178,7 @@ glm_persp_move_far_lh_zo(mat4 proj, float deltaFar) {
 
 /*!
  * @brief set up perspective projection matrix with default near/far
- *        and angle values with a left-hand coordinate system and a 
+ *        and angle values with a left-hand coordinate system and a
  *        clip-space of [0, 1].
  *
  * @param[in]  aspect aspect ratio ( width / height )
@@ -189,6 +190,20 @@ glm_perspective_default_lh_zo(float aspect, mat4 dest) {
   glm_perspective_lh_zo(GLM_PI_4f, aspect, 0.01f, 100.0f, dest);
 }
 
+/*!
+ * @brief set up infinite perspective projection matrix with default near
+ *        and angle values with a left-hand coordinate system and a
+ *        clip-space of [0, 1].
+ *
+ * @param[in]  aspect aspect ratio ( width / height )
+ * @param[out] dest   result matrix
+ */
+CGLM_INLINE
+void
+glm_perspective_default_infinite_lh_zo(float aspect, mat4 dest) {
+  glm_perspective_infinite_lh_zo(GLM_PI_4f, aspect, 0.01f, dest);
+}
+
 /*!
  * @brief resize perspective matrix by aspect ratio ( width / height )
  *        this makes very easy to resize proj matrix when window /viewport

include/cglm/clipspace/persp_rh_no.h

@@ -21,6 +21,7 @@
                                                    float nearZ,
                                                    mat4  dest)
    CGLM_INLINE void glm_perspective_default_rh_no(float aspect, mat4 dest)
+   CGLM_INLINE void glm_perspective_default_infinite_rh_no(float aspect, mat4 dest)
    CGLM_INLINE void glm_perspective_resize_rh_no(float aspect, mat4 proj)
    CGLM_INLINE void glm_persp_move_far_rh_no(mat4 proj,
                                              float deltaFar)
@@ -165,6 +166,20 @@ glm_perspective_default_rh_no(float aspect, mat4 dest) {
   glm_perspective_rh_no(GLM_PI_4f, aspect, 0.01f, 100.0f, dest);
 }
 
+/*!
+ * @brief set up infinite perspective projection matrix with default near
+ *        and angle values with a right-hand coordinate system and a
+ *        clip-space of [-1, 1].
+ *
+ * @param[in]  aspect aspect ratio ( width / height )
+ * @param[out] dest   result matrix
+ */
+CGLM_INLINE
+void
+glm_perspective_default_infinite_rh_no(float aspect, mat4 dest) {
+  glm_perspective_infinite_rh_no(GLM_PI_4f, aspect, 0.01f, dest);
+}
+
 /*!
  * @brief resize perspective matrix by aspect ratio ( width / height )
  *        this makes very easy to resize proj matrix when window /viewport

include/cglm/clipspace/persp_rh_zo.h

@@ -21,6 +21,7 @@
                                                    float nearZ,
                                                    mat4  dest)
    CGLM_INLINE void glm_perspective_default_rh_zo(float aspect, mat4 dest)
+   CGLM_INLINE void glm_perspective_default_infinite_rh_zo(float aspect, mat4 dest)
    CGLM_INLINE void glm_perspective_resize_rh_zo(float aspect, mat4 proj)
    CGLM_INLINE void glm_persp_move_far_rh_zo(mat4 proj,
                                              float deltaFar)
@@ -163,6 +164,20 @@ glm_perspective_default_rh_zo(float aspect, mat4 dest) {
   glm_perspective_rh_zo(GLM_PI_4f, aspect, 0.01f, 100.0f, dest);
 }
 
+/*!
+ * @brief set up infinite perspective projection matrix with default near
+ *        and angle values with a right-hand coordinate system and a
+ *        clip-space of [0, 1].
+ *
+ * @param[in]  aspect aspect ratio ( width / height )
+ * @param[out] dest   result matrix
+ */
+CGLM_INLINE
+void
+glm_perspective_default_infinite_rh_zo(float aspect, mat4 dest) {
+  glm_perspective_infinite_rh_zo(GLM_PI_4f, aspect, 0.01f, dest);
+}
+
 /*!
  * @brief resize perspective matrix by aspect ratio ( width / height )
  *        this makes very easy to resize proj matrix when window /viewport

src/cam.c

@@ -80,6 +80,12 @@ glmc_perspective_default(float aspect, mat4 dest) {
   glm_perspective_default(aspect, dest);
 }
 
+CGLM_EXPORT
+void
+glmc_perspective_default_infinite(float aspect, mat4 dest) {
+  glm_perspective_default_infinite(aspect, dest);
+}
+
 CGLM_EXPORT
 void
 glmc_perspective_resize(float aspect, mat4 proj) {