stencil buffer in ch shader?? supported by now ??

Graphics and GPU Programming Programming

Started by Kincaid January 06, 2009 11:38 AM

1 comment, last by Kincaid 15 years, 3 months ago

100

Author

January 06, 2009 11:38 AM

can we employ the stencil buffer from within a fragment shader about this time ?? found references from only a few years back, but nothing recent thanx

V-man

813

January 06, 2009 03:00 PM

Sig: http://glhlib.sourceforge.net
an open source GLU replacement library. Much more modern than GLU.
float matrix[16], inverse_matrix[16];
glhLoadIdentityf2(matrix);
glhTranslatef2(matrix, 0.0, 0.0, 5.0);
glhRotateAboutXf2(matrix, angleInRadians);
glhScalef2(matrix, 1.0, 1.0, -1.0);
glhQuickInvertMatrixf2(matrix, inverse_matrix);
glUniformMatrix4fv(uniformLocation1, 1, FALSE, matrix);
glUniformMatrix4fv(uniformLocation2, 1, FALSE, inverse_matrix);

Kincaid

100

Author

January 06, 2009 03:32 PM

thanx,
best bet is to get a copy in a texture/alpha channel then ?

(asking in relation to shadow volumes, for which id like some shader control in order to get mulitiple light working efficient)