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r600/sfn: Allow any channel for the helper invocation evaluation

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Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9330>
This commit is contained in:
Gert Wollny
2021-02-26 18:44:13 +01:00
parent 911c6af2fd
commit 04d8d455b7
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
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@@ -419,13 +419,16 @@ void FragmentShaderFromNir::emit_shader_start()
m_helper_invocation = get_temp_register();
auto dummy = PValue(new GPRValue(m_helper_invocation->sel(), 7));
emit_instruction(new AluInstruction(op1_mov, m_helper_invocation, literal(-1), {alu_write, alu_last_instr}));
GPRVector dst({m_helper_invocation, dummy, dummy, dummy});
GPRVector dst({dummy, dummy, dummy, dummy});
std::array<int,4> swz = {7,7,7,7};
dst.set_reg_i(m_helper_invocation->chan(), m_helper_invocation);
swz[m_helper_invocation->chan()] = 4;
auto vtx = new FetchInstruction(dst, m_helper_invocation,
R600_BUFFER_INFO_CONST_BUFFER, bim_none);
vtx->set_flag(vtx_vpm);
vtx->set_flag(vtx_use_tc);
vtx->set_dest_swizzle({4,7,7,7});
vtx->set_dest_swizzle(swz);
emit_instruction(vtx);
}
}