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r600/sfn: Use a low number for unused target register

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This reduces the number of registers reserved by the shader
units and makes more threads possible.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6856

Fixes: 79ca456b48
   r600/sfn: rewrite NIR backend

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Filip Gawin <filip@gawin.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18212>
This commit is contained in:
Gert Wollny
2022-08-23 17:31:57 +02:00
committed by Marge Bot
parent 90f99369ae
commit bf4234d088
1 changed files with 1 additions and 1 deletions
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src/gallium/drivers/r600/sfn/sfn_instr_tex.cpp
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@@ -682,7 +682,7 @@ bool TexInstr::emit_tex_txd(nir_tex_instr *tex, Inputs& src, Shader& shader)
<< "' (" << __func__ << ")\n";
auto dst = vf.dest_vec4(tex->dest, pin_group);
RegisterVec4 empty_dst(126, false, {0,0,0,0}, pin_group);
RegisterVec4 empty_dst(0, false, {0,0,0,0}, pin_group);
auto swizzle = src.swizzle_from_ncomps(tex->coord_components);