From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 6 Dec 2016 21:31:40 +0000 (+0200)
Subject: Set a sensible projection matrix when there's no camera
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b47e6e72485b1cd978bf35d2b3d2818d8a036cfe;p=libs%2Fgl.git

Set a sensible projection matrix when there's no camera
---

diff --git a/source/renderer.cpp b/source/renderer.cpp
index c8972934..c744ac5a 100644
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -33,6 +33,8 @@ Renderer::Renderer(const Camera *c):
 
 	if(c)
 		set_camera(*c);
+	else
+		standard_shdata.uniform("projection_matrix", Matrix());
 }
 
 Renderer::~Renderer()
@@ -169,7 +171,10 @@ void Renderer::pop_state()
 	bool camera_changed = (state->camera!=old_camera);
 	if(camera_changed)
 	{
-		standard_shdata.uniform("projection_matrix", state->camera->get_projection_matrix());
+		if(state->camera)
+			standard_shdata.uniform("projection_matrix", state->camera->get_projection_matrix());
+		else
+			standard_shdata.uniform("projection_matrix", Matrix());
 		changed |= STANDARD_SHDATA|LEGACY_PROJECTION;
 	}
 	/* This actually should compare the relevant matrices rather than check for