Merge pull request #1317 from Zuzu-Typ/fix-matrix-clip-space

Fixed infinitePerspective declarations and definitions

Author: Groovounet

glm/ext/matrix_clip_space.hpp

@@ -461,6 +461,56 @@ namespace glm
 		T fov, T width, T height, T near, T far);
 
 	/// Creates a matrix for a left-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// The near and far clip planes correspond to z normalized device coordinates of 0 and +1 respectively. (Direct3D clip volume definition)
+	///
+	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
+	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
+	/// @param near Specifies the distance from the viewer to the near clipping plane (always positive).
+	///
+	/// @tparam T A floating-point scalar type
+	template<typename T>
+	GLM_FUNC_DECL mat<4, 4, T, defaultp> infinitePerspectiveLH_ZO(
+		T fovy, T aspect, T near);
+
+	/// Creates a matrix for a left-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// The near and far clip planes correspond to z normalized device coordinates of -1 and +1 respectively. (OpenGL clip volume definition)
+	///
+	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
+	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
+	/// @param near Specifies the distance from the viewer to the near clipping plane (always positive).
+	///
+	/// @tparam T A floating-point scalar type
+	template<typename T>
+	GLM_FUNC_DECL mat<4, 4, T, defaultp> infinitePerspectiveLH_NO(
+		T fovy, T aspect, T near);
+
+	/// Creates a matrix for a right-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// The near and far clip planes correspond to z normalized device coordinates of 0 and +1 respectively. (Direct3D clip volume definition)
+	///
+	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
+	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
+	/// @param near Specifies the distance from the viewer to the near clipping plane (always positive).
+	///
+	/// @tparam T A floating-point scalar type
+	template<typename T>
+	GLM_FUNC_DECL mat<4, 4, T, defaultp> infinitePerspectiveRH_ZO(
+		T fovy, T aspect, T near);
+
+	/// Creates a matrix for a right-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// The near and far clip planes correspond to z normalized device coordinates of -1 and +1 respectively. (OpenGL clip volume definition)
+	///
+	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
+	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
+	/// @param near Specifies the distance from the viewer to the near clipping plane (always positive).
+	///
+	/// @tparam T A floating-point scalar type
+	template<typename T>
+	GLM_FUNC_DECL mat<4, 4, T, defaultp> infinitePerspectiveRH_NO(
+		T fovy, T aspect, T near);
+
+	/// Creates a matrix for a left-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// If GLM_FORCE_DEPTH_ZERO_TO_ONE is defined, the near and far clip planes correspond to z normalized device coordinates of 0 and +1 respectively. (Direct3D clip volume definition)
+	/// Otherwise, the near and far clip planes correspond to z normalized device coordinates of -1 and +1 respectively. (OpenGL clip volume definition)
 	///
 	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
 	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
@@ -472,6 +522,8 @@ namespace glm
 		T fovy, T aspect, T near);
 
 	/// Creates a matrix for a right-handed, symmetric perspective-view frustum with far plane at infinite.
+	/// If GLM_FORCE_DEPTH_ZERO_TO_ONE is defined, the near and far clip planes correspond to z normalized device coordinates of 0 and +1 respectively. (Direct3D clip volume definition)
+	/// Otherwise, the near and far clip planes correspond to z normalized device coordinates of -1 and +1 respectively. (OpenGL clip volume definition)
 	///
 	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
 	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).
@@ -483,6 +535,8 @@ namespace glm
 		T fovy, T aspect, T near);
 
 	/// Creates a matrix for a symmetric perspective-view frustum with far plane at infinite with default handedness.
+	/// If GLM_FORCE_DEPTH_ZERO_TO_ONE is defined, the near and far clip planes correspond to z normalized device coordinates of 0 and +1 respectively. (Direct3D clip volume definition)
+	/// Otherwise, the near and far clip planes correspond to z normalized device coordinates of -1 and +1 respectively. (OpenGL clip volume definition)
 	///
 	/// @param fovy Specifies the field of view angle, in degrees, in the y direction. Expressed in radians.
 	/// @param aspect Specifies the aspect ratio that determines the field of view in the x direction. The aspect ratio is the ratio of x (width) to y (height).

glm/ext/matrix_clip_space.inl

@@ -554,6 +554,26 @@ namespace glm
 		return Result;
 	}
 
+	template<typename T>
+	GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspectiveRH(T fovy, T aspect, T zNear)
+	{
+#		if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+			return infinitePerspectiveRH_ZO(fovy, aspect, zNear);
+#		else
+			return infinitePerspectiveRH_NO(fovy, aspect, zNear);
+#		endif
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspectiveLH(T fovy, T aspect, T zNear)
+	{
+#		if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+			return infinitePerspectiveLH_ZO(fovy, aspect, zNear);
+#		else
+			return infinitePerspectiveLH_NO(fovy, aspect, zNear);
+#		endif
+	}
+
 	template<typename T>
 	GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspective(T fovy, T aspect, T zNear)
 	{