[Bug 45468] Phase Shift: tails on sustain notes not visible unless GLSL is disabled

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45468

--- Comment #10 from Henri Verbeet <hverbeet at gmail.com> ---
(In reply to Andy Clayton from comment #9)
> It looks like it does not get that far. set_glsl_shader_program() reuses
> "ctx_data->glsl_program->vs" because the vertex shader hasn't been
> invalidated in "shader_update_mask". And the prior draw happened to have a
> vertex declaration without color/diffuse data, so the shader that carries
> over is based on the wined3d_ffp_get_vs_settings() of a use_map without
> WINED3D_FFP_DIFFUSE.
Ah, that makes sense.

> Throwing "context->shader_update_mask |= 1u << WINED3D_SHADER_TYPE_VERTEX;"
> in glsl_vertex_pipe_vdecl() is enough for the tails to display. Would
> storing and comparing "use_map" similar to "swizzle_map" make any sense?
I think so.

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