wined3d: Respect the BO buffer offset in wined3d_buffer_gl_download_ranges().

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Respect the BO buffer offset in wined3d_buffer_gl_download_ranges().
d4c3bf9d · Zebediah Figura · Alexandre Julliard · 2961640b · d4c3bf9d
Commit d4c3bf9d authored Nov 22, 2021 by Zebediah Figura Committed by Alexandre Julliard Nov 23, 2021
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buffer.c dlls/wined3d/buffer.c +2 -2

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--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -1412,8 +1412,8 @@ static void wined3d_buffer_gl_download_ranges(struct wined3d_buffer *buffer, str
    while (range_count--)
    {
        range = &ranges[range_count];
-        GL_EXTCALL(glGetBufferSubData(bo_gl->binding,
+        GL_EXTCALL(glGetBufferSubData(bo_gl->binding, bo_gl->b.buffer_offset + range->offset,
-                range->offset, range->size, (BYTE *)data + range->offset - data_offset));
+                range->size, (BYTE *)data + range->offset - data_offset));
    }
    checkGLcall("buffer download");
 }