[PATCH 1/4] wined3d: Always set GL_PIXEL_PACK_BUFFER binding before downloading texture data.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/wined3d/texture.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 48202c2142c..d4c7082912b 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -2695,6 +2695,8 @@ static void wined3d_texture_gl_download_data_slow_path(struct wined3d_texture_gl

if (temporary_mem)
     {
+        GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, 0));
+        checkGLcall("glBindBuffer");
         mem = temporary_mem;
     }
     else if (bo)
@@ -2705,6 +2707,8 @@ static void wined3d_texture_gl_download_data_slow_path(struct wined3d_texture_gl
     }
     else
     {
+        GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, 0));
+        checkGLcall("glBindBuffer");
         mem = data->addr;
     }

@@ -2918,6 +2922,11 @@ static void wined3d_texture_gl_download_data(struct wined3d_context *context,
         checkGLcall("glBindBuffer");
         offset += dst_bo->buffer_offset;
     }
+    else
+    {
+        GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, 0));
+        checkGLcall("glBindBuffer");
+    }

if (src_texture->resource.format_flags & WINED3DFMT_FLAG_COMPRESSED)
     {