diff options
| -rw-r--r-- | src/glsl/builtins/glsl/determinant.glsl | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/glsl/builtins/glsl/determinant.glsl b/src/glsl/builtins/glsl/determinant.glsl index 78751a6dca3..0800d40cff7 100644 --- a/src/glsl/builtins/glsl/determinant.glsl +++ b/src/glsl/builtins/glsl/determinant.glsl @@ -22,6 +22,10 @@ */ #version 120 + +// Forward declaration because builtins don't know about other builtins. +float dot(vec4, vec4); + float determinant(mat2 m) { return m[0].x * m[1].y - m[1].x * m[0].y; @@ -63,8 +67,5 @@ float determinant(mat4 m) adj_0.z = + (m[1].x * SubFactor01 - m[1].y * SubFactor03 + m[1].w * SubFactor05); adj_0.w = - (m[1].x * SubFactor02 - m[1].y * SubFactor04 + m[1].z * SubFactor05); - return (+ m[0].x * adj_0.x - + m[0].y * adj_0.y - + m[0].z * adj_0.z - + m[0].w * adj_0.w); + return dot(m[0], adj_0); } |