aboutsummaryrefslogtreecommitdiffstats
path: root/src/include/glm/ext/matrix_clip_space.inl
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/glm/ext/matrix_clip_space.inl')
-rw-r--r--src/include/glm/ext/matrix_clip_space.inl555
1 files changed, 555 insertions, 0 deletions
diff --git a/src/include/glm/ext/matrix_clip_space.inl b/src/include/glm/ext/matrix_clip_space.inl
new file mode 100644
index 0000000..52c667c
--- /dev/null
+++ b/src/include/glm/ext/matrix_clip_space.inl
@@ -0,0 +1,555 @@
+namespace glm
+{
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> ortho(T left, T right, T bottom, T top)
+ {
+ mat<4, 4, T, defaultp> Result(static_cast<T>(1));
+ Result[0][0] = static_cast<T>(2) / (right - left);
+ Result[1][1] = static_cast<T>(2) / (top - bottom);
+ Result[2][2] = - static_cast<T>(1);
+ Result[3][0] = - (right + left) / (right - left);
+ Result[3][1] = - (top + bottom) / (top - bottom);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoLH_ZO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+ mat<4, 4, T, defaultp> Result(1);
+ Result[0][0] = static_cast<T>(2) / (right - left);
+ Result[1][1] = static_cast<T>(2) / (top - bottom);
+ Result[2][2] = static_cast<T>(1) / (zFar - zNear);
+ Result[3][0] = - (right + left) / (right - left);
+ Result[3][1] = - (top + bottom) / (top - bottom);
+ Result[3][2] = - zNear / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoLH_NO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+ mat<4, 4, T, defaultp> Result(1);
+ Result[0][0] = static_cast<T>(2) / (right - left);
+ Result[1][1] = static_cast<T>(2) / (top - bottom);
+ Result[2][2] = static_cast<T>(2) / (zFar - zNear);
+ Result[3][0] = - (right + left) / (right - left);
+ Result[3][1] = - (top + bottom) / (top - bottom);
+ Result[3][2] = - (zFar + zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoRH_ZO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+ mat<4, 4, T, defaultp> Result(1);
+ Result[0][0] = static_cast<T>(2) / (right - left);
+ Result[1][1] = static_cast<T>(2) / (top - bottom);
+ Result[2][2] = - static_cast<T>(1) / (zFar - zNear);
+ Result[3][0] = - (right + left) / (right - left);
+ Result[3][1] = - (top + bottom) / (top - bottom);
+ Result[3][2] = - zNear / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoRH_NO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+ mat<4, 4, T, defaultp> Result(1);
+ Result[0][0] = static_cast<T>(2) / (right - left);
+ Result[1][1] = static_cast<T>(2) / (top - bottom);
+ Result[2][2] = - static_cast<T>(2) / (zFar - zNear);
+ Result[3][0] = - (right + left) / (right - left);
+ Result[3][1] = - (top + bottom) / (top - bottom);
+ Result[3][2] = - (zFar + zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoZO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return orthoLH_ZO(left, right, bottom, top, zNear, zFar);
+# else
+ return orthoRH_ZO(left, right, bottom, top, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoNO(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return orthoLH_NO(left, right, bottom, top, zNear, zFar);
+# else
+ return orthoRH_NO(left, right, bottom, top, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoLH(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return orthoLH_ZO(left, right, bottom, top, zNear, zFar);
+# else
+ return orthoLH_NO(left, right, bottom, top, zNear, zFar);
+# endif
+
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> orthoRH(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return orthoRH_ZO(left, right, bottom, top, zNear, zFar);
+# else
+ return orthoRH_NO(left, right, bottom, top, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> ortho(T left, T right, T bottom, T top, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_ZO
+ return orthoLH_ZO(left, right, bottom, top, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_NO
+ return orthoLH_NO(left, right, bottom, top, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_ZO
+ return orthoRH_ZO(left, right, bottom, top, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_NO
+ return orthoRH_NO(left, right, bottom, top, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumLH_ZO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+ mat<4, 4, T, defaultp> Result(0);
+ Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
+ Result[2][0] = (right + left) / (right - left);
+ Result[2][1] = (top + bottom) / (top - bottom);
+ Result[2][2] = farVal / (farVal - nearVal);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = -(farVal * nearVal) / (farVal - nearVal);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumLH_NO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+ mat<4, 4, T, defaultp> Result(0);
+ Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
+ Result[2][0] = (right + left) / (right - left);
+ Result[2][1] = (top + bottom) / (top - bottom);
+ Result[2][2] = (farVal + nearVal) / (farVal - nearVal);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumRH_ZO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+ mat<4, 4, T, defaultp> Result(0);
+ Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
+ Result[2][0] = (right + left) / (right - left);
+ Result[2][1] = (top + bottom) / (top - bottom);
+ Result[2][2] = farVal / (nearVal - farVal);
+ Result[2][3] = static_cast<T>(-1);
+ Result[3][2] = -(farVal * nearVal) / (farVal - nearVal);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumRH_NO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+ mat<4, 4, T, defaultp> Result(0);
+ Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
+ Result[2][0] = (right + left) / (right - left);
+ Result[2][1] = (top + bottom) / (top - bottom);
+ Result[2][2] = - (farVal + nearVal) / (farVal - nearVal);
+ Result[2][3] = static_cast<T>(-1);
+ Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumZO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return frustumLH_ZO(left, right, bottom, top, nearVal, farVal);
+# else
+ return frustumRH_ZO(left, right, bottom, top, nearVal, farVal);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumNO(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return frustumLH_NO(left, right, bottom, top, nearVal, farVal);
+# else
+ return frustumRH_NO(left, right, bottom, top, nearVal, farVal);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumLH(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return frustumLH_ZO(left, right, bottom, top, nearVal, farVal);
+# else
+ return frustumLH_NO(left, right, bottom, top, nearVal, farVal);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustumRH(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return frustumRH_ZO(left, right, bottom, top, nearVal, farVal);
+# else
+ return frustumRH_NO(left, right, bottom, top, nearVal, farVal);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> frustum(T left, T right, T bottom, T top, T nearVal, T farVal)
+ {
+# if GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_ZO
+ return frustumLH_ZO(left, right, bottom, top, nearVal, farVal);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_NO
+ return frustumLH_NO(left, right, bottom, top, nearVal, farVal);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_ZO
+ return frustumRH_ZO(left, right, bottom, top, nearVal, farVal);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_NO
+ return frustumRH_NO(left, right, bottom, top, nearVal, farVal);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveRH_ZO(T fovy, T aspect, T zNear, T zFar)
+ {
+ assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0));
+
+ T const tanHalfFovy = tan(fovy / static_cast<T>(2));
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy);
+ Result[1][1] = static_cast<T>(1) / (tanHalfFovy);
+ Result[2][2] = zFar / (zNear - zFar);
+ Result[2][3] = - static_cast<T>(1);
+ Result[3][2] = -(zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveRH_NO(T fovy, T aspect, T zNear, T zFar)
+ {
+ assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0));
+
+ T const tanHalfFovy = tan(fovy / static_cast<T>(2));
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy);
+ Result[1][1] = static_cast<T>(1) / (tanHalfFovy);
+ Result[2][2] = - (zFar + zNear) / (zFar - zNear);
+ Result[2][3] = - static_cast<T>(1);
+ Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveLH_ZO(T fovy, T aspect, T zNear, T zFar)
+ {
+ assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0));
+
+ T const tanHalfFovy = tan(fovy / static_cast<T>(2));
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy);
+ Result[1][1] = static_cast<T>(1) / (tanHalfFovy);
+ Result[2][2] = zFar / (zFar - zNear);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = -(zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveLH_NO(T fovy, T aspect, T zNear, T zFar)
+ {
+ assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0));
+
+ T const tanHalfFovy = tan(fovy / static_cast<T>(2));
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy);
+ Result[1][1] = static_cast<T>(1) / (tanHalfFovy);
+ Result[2][2] = (zFar + zNear) / (zFar - zNear);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveZO(T fovy, T aspect, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return perspectiveLH_ZO(fovy, aspect, zNear, zFar);
+# else
+ return perspectiveRH_ZO(fovy, aspect, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveNO(T fovy, T aspect, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return perspectiveLH_NO(fovy, aspect, zNear, zFar);
+# else
+ return perspectiveRH_NO(fovy, aspect, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveLH(T fovy, T aspect, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return perspectiveLH_ZO(fovy, aspect, zNear, zFar);
+# else
+ return perspectiveLH_NO(fovy, aspect, zNear, zFar);
+# endif
+
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveRH(T fovy, T aspect, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return perspectiveRH_ZO(fovy, aspect, zNear, zFar);
+# else
+ return perspectiveRH_NO(fovy, aspect, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspective(T fovy, T aspect, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_ZO
+ return perspectiveLH_ZO(fovy, aspect, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_NO
+ return perspectiveLH_NO(fovy, aspect, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_ZO
+ return perspectiveRH_ZO(fovy, aspect, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_NO
+ return perspectiveRH_NO(fovy, aspect, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovRH_ZO(T fov, T width, T height, T zNear, T zFar)
+ {
+ assert(width > static_cast<T>(0));
+ assert(height > static_cast<T>(0));
+ assert(fov > static_cast<T>(0));
+
+ T const rad = fov;
+ T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad);
+ T const w = h * height / width; ///todo max(width , Height) / min(width , Height)?
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = w;
+ Result[1][1] = h;
+ Result[2][2] = zFar / (zNear - zFar);
+ Result[2][3] = - static_cast<T>(1);
+ Result[3][2] = -(zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovRH_NO(T fov, T width, T height, T zNear, T zFar)
+ {
+ assert(width > static_cast<T>(0));
+ assert(height > static_cast<T>(0));
+ assert(fov > static_cast<T>(0));
+
+ T const rad = fov;
+ T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad);
+ T const w = h * height / width; ///todo max(width , Height) / min(width , Height)?
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = w;
+ Result[1][1] = h;
+ Result[2][2] = - (zFar + zNear) / (zFar - zNear);
+ Result[2][3] = - static_cast<T>(1);
+ Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovLH_ZO(T fov, T width, T height, T zNear, T zFar)
+ {
+ assert(width > static_cast<T>(0));
+ assert(height > static_cast<T>(0));
+ assert(fov > static_cast<T>(0));
+
+ T const rad = fov;
+ T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad);
+ T const w = h * height / width; ///todo max(width , Height) / min(width , Height)?
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = w;
+ Result[1][1] = h;
+ Result[2][2] = zFar / (zFar - zNear);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = -(zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovLH_NO(T fov, T width, T height, T zNear, T zFar)
+ {
+ assert(width > static_cast<T>(0));
+ assert(height > static_cast<T>(0));
+ assert(fov > static_cast<T>(0));
+
+ T const rad = fov;
+ T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad);
+ T const w = h * height / width; ///todo max(width , Height) / min(width , Height)?
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = w;
+ Result[1][1] = h;
+ Result[2][2] = (zFar + zNear) / (zFar - zNear);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear);
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovZO(T fov, T width, T height, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return perspectiveFovLH_ZO(fov, width, height, zNear, zFar);
+# else
+ return perspectiveFovRH_ZO(fov, width, height, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovNO(T fov, T width, T height, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return perspectiveFovLH_NO(fov, width, height, zNear, zFar);
+# else
+ return perspectiveFovRH_NO(fov, width, height, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovLH(T fov, T width, T height, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return perspectiveFovLH_ZO(fov, width, height, zNear, zFar);
+# else
+ return perspectiveFovLH_NO(fov, width, height, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFovRH(T fov, T width, T height, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_ZO_BIT
+ return perspectiveFovRH_ZO(fov, width, height, zNear, zFar);
+# else
+ return perspectiveFovRH_NO(fov, width, height, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> perspectiveFov(T fov, T width, T height, T zNear, T zFar)
+ {
+# if GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_ZO
+ return perspectiveFovLH_ZO(fov, width, height, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_LH_NO
+ return perspectiveFovLH_NO(fov, width, height, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_ZO
+ return perspectiveFovRH_ZO(fov, width, height, zNear, zFar);
+# elif GLM_CONFIG_CLIP_CONTROL == GLM_CLIP_CONTROL_RH_NO
+ return perspectiveFovRH_NO(fov, width, height, zNear, zFar);
+# endif
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspectiveRH(T fovy, T aspect, T zNear)
+ {
+ T const range = tan(fovy / static_cast<T>(2)) * zNear;
+ T const left = -range * aspect;
+ T const right = range * aspect;
+ T const bottom = -range;
+ T const top = range;
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = (static_cast<T>(2) * zNear) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom);
+ Result[2][2] = - static_cast<T>(1);
+ Result[2][3] = - static_cast<T>(1);
+ Result[3][2] = - static_cast<T>(2) * zNear;
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspectiveLH(T fovy, T aspect, T zNear)
+ {
+ T const range = tan(fovy / static_cast<T>(2)) * zNear;
+ T const left = -range * aspect;
+ T const right = range * aspect;
+ T const bottom = -range;
+ T const top = range;
+
+ mat<4, 4, T, defaultp> Result(T(0));
+ Result[0][0] = (static_cast<T>(2) * zNear) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom);
+ Result[2][2] = static_cast<T>(1);
+ Result[2][3] = static_cast<T>(1);
+ Result[3][2] = - static_cast<T>(2) * zNear;
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> infinitePerspective(T fovy, T aspect, T zNear)
+ {
+# if GLM_CONFIG_CLIP_CONTROL & GLM_CLIP_CONTROL_LH_BIT
+ return infinitePerspectiveLH(fovy, aspect, zNear);
+# else
+ return infinitePerspectiveRH(fovy, aspect, zNear);
+# endif
+ }
+
+ // Infinite projection matrix: http://www.terathon.com/gdc07_lengyel.pdf
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> tweakedInfinitePerspective(T fovy, T aspect, T zNear, T ep)
+ {
+ T const range = tan(fovy / static_cast<T>(2)) * zNear;
+ T const left = -range * aspect;
+ T const right = range * aspect;
+ T const bottom = -range;
+ T const top = range;
+
+ mat<4, 4, T, defaultp> Result(static_cast<T>(0));
+ Result[0][0] = (static_cast<T>(2) * zNear) / (right - left);
+ Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom);
+ Result[2][2] = ep - static_cast<T>(1);
+ Result[2][3] = static_cast<T>(-1);
+ Result[3][2] = (ep - static_cast<T>(2)) * zNear;
+ return Result;
+ }
+
+ template<typename T>
+ GLM_FUNC_QUALIFIER mat<4, 4, T, defaultp> tweakedInfinitePerspective(T fovy, T aspect, T zNear)
+ {
+ return tweakedInfinitePerspective(fovy, aspect, zNear, epsilon<T>());
+ }
+}//namespace glm
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-05-18 09:07:59 +0000