wined3d: Allow FFP blits to non-render targets with the 'none' shader backend.

In the same vein as 6247bee4; avoids infinite recursion in the blitter. Triggered by the ddraw tests.

wined3d: Allow FFP blits to non-render targets with the 'none' shader backend.
1eba5fd9 · Matteo Bruni · Alexandre Julliard · 87937d61 · 1eba5fd9
Commit 1eba5fd9 authored Sep 13, 2023 by Matteo Bruni Committed by Alexandre Julliard Oct 18, 2023
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texture.c dlls/wined3d/texture.c +11 -2

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--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -5832,8 +5832,17 @@ static bool ffp_blit_supported(enum wined3d_blit_op blit_op, const struct wined3
            if (!(dst_resource->bind_flags & WINED3D_BIND_RENDER_TARGET))
            {
-                TRACE("Can only blit to render targets.\n");
+                if (dst_format->id == src_format->id && dst_location == WINED3D_LOCATION_DRAWABLE)
-                return false;
+                {
+                    if (context->device->shader_backend == &none_shader_backend)
+                        WARN("Claiming !render_target support because of no shader backend.\n");
+                    return true;
+                }
+                else
+                {
+                    TRACE("Can only blit to render targets.\n");
+                    return false;
+                }
            }
            return true;