From 7b0fc1ab575b7197557358439f9c9f0db372aaa1 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Sun, 20 May 2018 07:45:51 +0200
Subject: [PATCH] update vbo on fbo failure

---
 src/render.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/render.c b/src/render.c
index 3b928cf..3d32448 100644
--- a/src/render.c
+++ b/src/render.c
@@ -359,6 +359,23 @@ DWORD WINAPI render_main(void)
 
             if (glDeleteVertexArrays)
                 glDeleteVertexArrays(1, &scaleVao);
+
+            if (paletteConvProgram)
+            {
+                glBindVertexArray(mainVao);
+                glBindBuffer(GL_ARRAY_BUFFER, mainVbos[1]);
+                GLfloat texCoord[] = {
+                    0.0f,    0.0f,
+                    scale_w, 0.0f,
+                    scale_w, scale_h,
+                    0.0f,    scale_h,
+                };
+                glBufferData(GL_ARRAY_BUFFER, sizeof(texCoord), texCoord, GL_STATIC_DRAW);
+                glVertexAttribPointer(mainTexCoordAttrLoc, 2, GL_FLOAT, GL_FALSE, 0, NULL);
+                glEnableVertexAttribArray(mainTexCoordAttrLoc);
+                glBindBuffer(GL_ARRAY_BUFFER, 0);
+                glBindVertexArray(0);
+            }
         }
 
         glBindFramebuffer(GL_FRAMEBUFFER, 0);
@@ -459,7 +476,6 @@ DWORD WINAPI render_main(void)
                         scale_w, scale_h,
                         0.0f,    scale_h,
                     };
-
                     glBufferData(GL_ARRAY_BUFFER, sizeof(texCoord), texCoord, GL_STATIC_DRAW);
                     glVertexAttribPointer(mainTexCoordAttrLoc, 2, GL_FLOAT, GL_FALSE, 0, NULL);
                     glEnableVertexAttribArray(mainTexCoordAttrLoc);