diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/gl/effects/gstgleffectssources.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/gl/effects/gstgleffectssources.c b/ext/gl/effects/gstgleffectssources.c index 8059abafd..b83e1d7cc 100644 --- a/ext/gl/effects/gstgleffectssources.c +++ b/ext/gl/effects/gstgleffectssources.c @@ -100,7 +100,8 @@ const gchar *squeeze_fragment_source_gles2 = "void main () {" " vec2 texturecoord = v_texcoord.xy;" " vec2 normcoord = texturecoord - 0.5;" - " float r = length (normcoord);" + /* Add a very small value to length otherwise it could be 0 */ + " float r = length (normcoord)+0.01;" " r = pow(r, 0.40)*1.3;" " normcoord = normcoord / r;" " texturecoord = (normcoord + 0.5);" @@ -136,7 +137,8 @@ const gchar *tunnel_fragment_source_gles2 = * rect textures */ " normcoord = (texturecoord - 0.5);" " float r = length(normcoord);" - " normcoord *= clamp (r, 0.0, 0.275) / r;" + " if (r > 0.0)" + " normcoord *= clamp (r, 0.0, 0.275) / r;" " texturecoord = normcoord + 0.5;" " gl_FragColor = texture2D (tex, texturecoord);" "}"; |