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- Added right and left handed projection and clip control support #447 #119

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This commit is contained in:
Christophe Riccio
2016-03-06 00:16:09 +01:00
parent 45d18796e3
commit fe18a36c10
2 changed files with 11 additions and 0 deletions
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10
glm/gtc/matrix_transform.inl
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@@ -578,7 +578,12 @@ namespace glm
tmp = proj * tmp;
tmp /= tmp.w;
#ifdef GLM_DEPTH_ZERO_TO_ONE
tmp.x = tmp.x * T(0.5) + T(0.5);
tmp.y = tmp.y * T(0.5) + T(0.5);
#else
tmp = tmp * T(0.5) + T(0.5);
#endif
tmp[0] = tmp[0] * T(viewport[2]) + T(viewport[0]);
tmp[1] = tmp[1] * T(viewport[3]) + T(viewport[1]);
@@ -599,7 +604,12 @@ namespace glm
tvec4<T, P> tmp = tvec4<T, P>(win, T(1));
tmp.x = (tmp.x - T(viewport[0])) / T(viewport[2]);
tmp.y = (tmp.y - T(viewport[1])) / T(viewport[3]);
#ifdef GLM_DEPTH_ZERO_TO_ONE
tmp.x = tmp.x * T(2) - T(1);
tmp.y = tmp.y * T(2) - T(1);
#else
tmp = tmp * T(2) - T(1);
#endif
tvec4<T, P> obj = Inverse * tmp;
obj /= obj.w;