From 730207817ef1e4cf09b7b7ee215c1d16065099bb Mon Sep 17 00:00:00 2001
From: SmileTheory <SmileTheory@gmail.com>
Date: Wed, 7 Dec 2016 14:13:29 -0800
Subject: [PATCH] OpenGL2: Don't bind null framebuffers when not using
 framebuffers.

---
 code/renderergl2/tr_fbo.c  | 6 ++++++
 code/renderergl2/tr_init.c | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/code/renderergl2/tr_fbo.c b/code/renderergl2/tr_fbo.c
index 41cfdd72..aa5148c8 100644
--- a/code/renderergl2/tr_fbo.c
+++ b/code/renderergl2/tr_fbo.c
@@ -230,6 +230,12 @@ FBO_Bind
 */
 void FBO_Bind(FBO_t * fbo)
 {
+	if (!glRefConfig.framebufferObject)
+	{
+		ri.Printf(PRINT_WARNING, "FBO_Bind() called without framebuffers enabled!\n");
+		return;
+	}
+
 	if (glState.currentFBO == fbo)
 		return;
 		
diff --git a/code/renderergl2/tr_init.c b/code/renderergl2/tr_init.c
index 7b9c21a6..2e65a52e 100644
--- a/code/renderergl2/tr_init.c
+++ b/code/renderergl2/tr_init.c
@@ -951,7 +951,9 @@ void GL_SetDefaultState( void )
 	qglColor4f (1,1,1,1);
 
 	GL_BindNullTextures();
-	GL_BindNullFramebuffers();
+
+	if (glRefConfig.framebufferObject)
+		GL_BindNullFramebuffers();
 
 	qglEnable(GL_TEXTURE_2D);
 	GL_TextureMode( r_textureMode->string );