wined3d: Respect the BO address offset when flipping the framebuffer in software.

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 address offset when flipping the framebuffer in software.
f059a25a · Zebediah Figura · Alexandre Julliard · 2fd283e9 · f059a25a
Commit f059a25a authored Nov 22, 2021 by Zebediah Figura Committed by Alexandre Julliard Nov 23, 2021
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surface.c dlls/wined3d/surface.c +2 -3

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--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -419,8 +419,8 @@ void texture2d_read_from_framebuffer(struct wined3d_texture *texture, unsigned i
    unsigned int restore_idx;
    BYTE *row, *top, *bottom;
    BOOL src_is_upside_down;
+    BYTE *mem = NULL;
    unsigned int i;
-    BYTE *mem;

    wined3d_texture_get_memory(texture, sub_resource_idx, &data, dst_location);

@@ -504,8 +504,7 @@ void texture2d_read_from_framebuffer(struct wined3d_texture *texture, unsigned i
            mem = GL_EXTCALL(glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_WRITE));
            checkGLcall("glMapBuffer");
        }
-        else
-            mem = data.addr;
+        mem += (uintptr_t)data.addr;

        top = mem;
        bottom = mem + row_pitch * (height - 1);