On Thu, 19 Apr 2012 08:34:01 -0600, Brian Paul wrote:
> On 04/18/2012 07:40 PM, Eric Anholt wrote:
> > + float det = (+ m[0][0] * adj[0][0]
> > + + m[0][1] * adj[1][0]
> > + + m[0][2] * adj[2][0]
> > + + m[0][3] * adj[3][0]);
> > +
> > + return adj / det;
>
> Wou
On 04/18/2012 07:40 PM, Eric Anholt wrote:
This is taken from the ogl-math project, with Inverse renamed to adj
(since it's not actually the inverse), transposed, and our types
plugged in.
Fixes piglit inverse tests.
---
src/glsl/Makefile |2 +-
src/glsl/builtins/glsl/in
On Wed, Apr 18, 2012 at 06:40:32PM -0700, Eric Anholt wrote:
> +mat3 inverse(mat3 m)
> +{
> + mat3 adj;
> + adj[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]);
> + adj[1][0] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]);
> + adj[2][0] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]);
> + adj[
This is taken from the ogl-math project, with Inverse renamed to adj
(since it's not actually the inverse), transposed, and our types
plugged in.
Fixes piglit inverse tests.
---
src/glsl/Makefile |2 +-
src/glsl/builtins/glsl/inverse.glsl | 105 +
