fix issue with Intel OpenGL 3.x driver under Ubuntu, render to texture cannot handle glDrawBuffer(GL_NONE)

2014-06-24 20:12:05 -07:00
parent 8f94ced88a
commit 4189a9a67f
3 changed files with 4 additions and 7 deletions
--- a/btgui/OpenGLWindow/GLRenderToTexture.cpp
+++ b/btgui/OpenGLWindow/GLRenderToTexture.cpp
@@ -66,7 +66,9 @@ bool GLRenderToTexture::enable()
 		}
 		case RENDERTEXTURE_DEPTH:
 		{
-			glDrawBuffer(GL_NONE);
+			GLenum drawBuffers[2] = {GL_DEPTH_ATTACHMENT,0};
+                        glDrawBuffers(1, drawBuffers);
+			//glDrawBuffer(GL_NONE);
 			break;
 		}
 		default: