From 39025dedff6bb67a0d4037c114e38d77b4abc559 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Thu, 16 Jan 2014 01:05:32 -0800
Subject: [PATCH] Ensure that video buffers are flushed to the GPU before
 unlocking the mutex

---
 src/platform/sdl/gl-main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/platform/sdl/gl-main.c b/src/platform/sdl/gl-main.c
index eea307451..21d73907c 100644
--- a/src/platform/sdl/gl-main.c
+++ b/src/platform/sdl/gl-main.c
@@ -150,6 +150,7 @@ static void _GBASDLRunloop(struct GBAThread* context, struct GLSoftwareRenderer*
 			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, renderer->d.outputBuffer);
 #endif
 			glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+			glFlush();
 		}
 		GBASyncWaitFrameEnd(&context->sync);
 		SDL_GL_SwapBuffers();