wined3d: Do not add the BO address offset when calling glFlushMappedBufferRange().

Fixes: c2f0ae50Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Do not add the BO address offset when calling glFlushMappedBufferRange().
052dbb42 · Henri Verbeet · Alexandre Julliard · 0e501c00 · 052dbb42
Commit 052dbb42 authored Nov 23, 2021 by Henri Verbeet Committed by Alexandre Julliard Nov 24, 2021
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context_gl.c dlls/wined3d/context_gl.c +3 -2

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--- a/dlls/wined3d/context_gl.c
+++ b/dlls/wined3d/context_gl.c
@@ -2759,8 +2759,9 @@ static void flush_bo_ranges(struct wined3d_context_gl *context_gl, const struct 
    {
        for (i = 0; i < range_count; ++i)
        {
-            GL_EXTCALL(glFlushMappedBufferRange(bo->binding,
-                    (UINT_PTR)data->addr + ranges[i].offset, ranges[i].size));
+            /* The offset passed to glFlushMappedBufferRange() is relative to
+             * the mapped range, so don't add data->addr in this case. */
+            GL_EXTCALL(glFlushMappedBufferRange(bo->binding, ranges[i].offset, ranges[i].size));
        }
    }
    else if (gl_info->supported[APPLE_FLUSH_BUFFER_RANGE])