diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-01 14:40:11 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-08-01 14:40:11 -0700 |
| commit | baed6f2e32a809380c6cdbce1a63ab9a10d775b4 (patch) | |
| tree | 750d254afeabe54b8187743da496f232a51698fb | |
| parent | 607b0ae844f42f3fe9387430d8d513ec294682b1 (diff) | |
Use front-face culling to significantly reduce shadow acne.
| -rw-r--r-- | shadow_map.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/shadow_map.c b/shadow_map.c index 6bef52f..8ec4d55 100644 --- a/shadow_map.c +++ b/shadow_map.c @@ -166,6 +166,7 @@ generate_rings_shadowmap(void) glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); + glCullFace(GL_FRONT); if (first_time) { GLenum status; @@ -193,6 +194,7 @@ generate_rings_shadowmap(void) glDrawBuffer(GL_BACK); glReadBuffer(GL_BACK); glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glCullFace(GL_BACK); set_world_to_shadow_transform(); } |