Commit: c1e3041051f44916c896b0527b3a36937753360c
Author: Campbell Barton
Date: Tue Dec 27 15:30:11 2016 +1100
Branches: master
https://developer.blender.org/rBc1e3041051f44916c896b0527b3a36937753360c
Comments: hints for perspective functions
Note which GL functions these are equivalent to.
===================================================================
M source/blender/blenlib/intern/math_geom.c
===================================================================
diff --git a/source/blender/blenlib/intern/math_geom.c
b/source/blender/blenlib/intern/math_geom.c
index 38947e1..46d963e 100644
--- a/source/blender/blenlib/intern/math_geom.c
+++ b/source/blender/blenlib/intern/math_geom.c
@@ -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)
{
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