From 9c6edaff302617bf257944b07feb1eb32b6a1fa0 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Tue, 7 Nov 2017 10:10:52 +0100
Subject: [PATCH] Update renderchain driver for GL

---
 gfx/drivers_renderchain/gl2_renderchain.c | 26 +++++++++++++++++++++++
 gfx/video_driver.c                        |  4 ----
 gfx/video_driver.h                        |  2 ++
 3 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/gfx/drivers_renderchain/gl2_renderchain.c b/gfx/drivers_renderchain/gl2_renderchain.c
index 64ffef30ca..4a281e535e 100644
--- a/gfx/drivers_renderchain/gl2_renderchain.c
+++ b/gfx/drivers_renderchain/gl2_renderchain.c
@@ -65,6 +65,11 @@ void cocoagl_bind_game_view_fbo(void);
 #define gl_bind_backbuffer() glBindFramebuffer(RARCH_GL_FRAMEBUFFER, 0)
 #endif
 
+typedef struct gl2_renderchain
+{
+   void *empty;
+} gl2_renderchain_t;
+
 /* Prototypes */
 GLenum min_filter_to_mag(GLenum type);
 void gl_set_viewport(
@@ -1109,8 +1114,29 @@ error:
    return false;
 }
 
+void gl2_renderchain_free_internal(void *data)
+{
+   gl2_renderchain_t *cg_data = (gl2_renderchain_t*)data;
+
+   if (!cg_data)
+      return;
+
+   free(cg_data);
+}
+
+static void *gl2_renderchain_new(void)
+{
+   gl2_renderchain_t *renderchain = (gl2_renderchain_t*)calloc(1, sizeof(*renderchain));
+   if (!renderchain)
+      return NULL;
+
+   return renderchain;
+}
+
 #ifdef HAVE_FBO
 gl_renderchain_driver_t gl2_renderchain = {
+   gl2_renderchain_free_internal,
+   gl2_renderchain_new,
    gl2_renderchain_init,
    gl2_renderchain_init_hw_render,
    gl2_renderchain_free,
diff --git a/gfx/video_driver.c b/gfx/video_driver.c
index 482137163b..d2483b8a94 100644
--- a/gfx/video_driver.c
+++ b/gfx/video_driver.c
@@ -3444,11 +3444,7 @@ bool renderchain_gl_init_first(
 
    for (i = 0; renderchain_gl_drivers[i]; i++)
    {
-#if 0
       void *data = renderchain_gl_drivers[i]->chain_new();
-#else
-      void *data = NULL;
-#endif
 
       if (!data)
          continue;
diff --git a/gfx/video_driver.h b/gfx/video_driver.h
index 0c09d94da1..feb53cec26 100644
--- a/gfx/video_driver.h
+++ b/gfx/video_driver.h
@@ -827,6 +827,8 @@ typedef struct d3d_renderchain_driver
 
 typedef struct gl_renderchain_driver
 {
+   void (*chain_free)(void *data);
+   void *(*chain_new)(void);
    void (*init)(void *data, unsigned fbo_width, unsigned fbo_height);
    bool (*init_hw_render)(void *data, unsigned width, unsigned height);
    void (*free)(void *data);