From 37298876fc611f19bec47c92923ab76bab5b74cb Mon Sep 17 00:00:00 2001
From: Themaister <maister@archlinux.us>
Date: Sat, 9 Mar 2019 13:15:14 +0100
Subject: [PATCH] Clear out FBO on startup.

Some cores seem to rely on it?
---
 gfx/drivers/gl_core.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gfx/drivers/gl_core.c b/gfx/drivers/gl_core.c
index 1565833ee6..56af129ebb 100644
--- a/gfx/drivers/gl_core.c
+++ b/gfx/drivers/gl_core.c
@@ -427,6 +427,13 @@ static bool gl_core_init_hw_render(gl_core_t *gl, unsigned width, unsigned heigh
       return false;
    }
 
+   if (hwr->depth && hwr->stencil)
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+   else if (hwr->depth)
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   else
+      glClear(GL_COLOR_BUFFER_BIT);
+
    gl->hw_render_enable = true;
    gl->hw_render_max_width = width;
    gl->hw_render_max_height = height;