From 86f4256b5a72266ac7e9ba000197747babbd479f Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Wed, 22 May 2019 12:19:03 +1000
Subject: [PATCH] [client] egl: fix streaming texture re-init crash

---
 VERSION                        |  2 +-
 client/renderers/EGL/texture.c | 15 +++++++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/VERSION b/VERSION
index b929b20f..f0912545 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-a12-206-gfc66a4a19c+1
\ No newline at end of file
+a12-207-g84b2917706+1
\ No newline at end of file
diff --git a/client/renderers/EGL/texture.c b/client/renderers/EGL/texture.c
index 1f5e795f..643857fc 100644
--- a/client/renderers/EGL/texture.c
+++ b/client/renderers/EGL/texture.c
@@ -189,19 +189,26 @@ bool egl_texture_setup(EGL_Texture * texture, enum EGL_PixelFormat pixFmt, size_
 
   if (streaming)
   {
-    if (!texture->hasPBO)
+    if (texture->hasPBO)
     {
-      glGenBuffers(2, texture->pbo);
-      texture->hasPBO = true;
+      // release old PBOs and delete the buffers
+      for(int i = 0; i < 2; ++i)
+      {
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->pbo[i]);
+        glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
+      }
+      glDeleteBuffers(2, texture->pbo);
     }
 
+    glGenBuffers(2, texture->pbo);
+    texture->hasPBO = true;
     for(int i = 0; i < 2; ++i)
     {
       glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->pbo[i]);
       glBufferStorage(
         GL_PIXEL_UNPACK_BUFFER,
         texture->pboBufferSize,
-        0,
+        NULL,
         GL_MAP_PERSISTENT_BIT |
         GL_MAP_WRITE_BIT      |
         GL_MAP_COHERENT_BIT