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Comments: hints for perspective functions 

Note which GL functions these are equivalent to.
This commit is contained in:
Campbell Barton 2016-12-27 15:30:11 +11:00
parent 41ec1adb03
commit c1e3041051
1 changed files with 6 additions and 0 deletions
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6
source/blender/blenlib/intern/math_geom.c
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@ -3763,6 +3763,9 @@ void interp_barycentric_tri_v3(float data[3][3], float u, float v, float res[3])
/***************************** View & Projection *****************************/
/**
* Matches `glOrtho` result.
*/
void orthographic_m4(float matrix[4][4], const float left, const float right, const float bottom, const float top,
const float nearClip, const float farClip)
{
@ -3783,6 +3786,9 @@ void orthographic_m4(float matrix[4][4], const float left, const float right, co
matrix[3][2] = -(farClip + nearClip) / Zdelta;
}
/**
* Matches `glFrustum` result.
*/
void perspective_m4(float mat[4][4], const float left, const float right, const float bottom, const float top,
const float nearClip, const float farClip)
{