Stefan Ullinger
authorSam Lantinga <slouken@libsdl.org>
Sat, 19 Sep 2009 04:43:41 +0000
changeset 3262 e3d33bd599eb
parent 3261 72b542f34739
child 3263 924b486541dc
Stefan Ullinger Hi, so here we go: GL_LINE_SMOOTH bad for business! ;) I checked the code within SDL_renderer_gl.c / GL_CreateRenderer(..) and have found the reason for blurred lines when using OpenGL. I have attached 2 images here. I don't know whether this has to be changed and I don't know if there is an option to turn it off/on...just wanted to say that with GL_LINE_SMOOTH enabled there is a difference when rendering with opengl compared to directx.
src/video/SDL_renderer_gl.c
--- a/src/video/SDL_renderer_gl.c	Thu Sep 17 20:35:12 2009 +0000
+++ b/src/video/SDL_renderer_gl.c	Sat Sep 19 04:43:41 2009 +0000
@@ -423,7 +423,8 @@
     data->scaleMode = -1;
     data->glDisable(GL_DEPTH_TEST);
     data->glDisable(GL_CULL_FACE);
-    data->glEnable(GL_LINE_SMOOTH);
+    /* This ended up causing video discrepancies between OpenGL and Direct3D */
+    /*data->glEnable(GL_LINE_SMOOTH);*/
     if (data->GL_ARB_texture_rectangle_supported) {
         data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
     } else {