Merge pull request #31751 from clayjohn/GLES3-Viewport-crash-canvas

Throw error when canvas background is used without sample buffer
godotengine · Sep 23, 2019 · f1146c2 · f1146c2
2 parents 2114898 + e65d218
commit f1146c2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -4330,6 +4330,10 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 			if (storage->frame.current_rt->buffers.active) {
 				current_fbo = storage->frame.current_rt->buffers.fbo;
 			} else {
+				if (storage->frame.current_rt->effects.mip_maps[0].sizes.size() == 0) {
+					ERR_PRINT_ONCE("Can't use canvas background mode in a render target configured without sampling");
+					return;
+				}
 				current_fbo = storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo;
 			}