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r600/sfn: Fix loading TES gl_PatchVerticesIn

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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
2021-02-28 21:41:28 +01:00
parent bd57bf6d82
commit 49b0e8657e
1 changed files with 7 additions and 1 deletions
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src/gallium/drivers/r600/sfn/sfn_nir_lower_tess_io.cpp
+7 -1
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@@ -233,7 +233,13 @@ r600_lower_tess_io_impl(nir_builder *b, nir_instr *instr, enum pipe_prim_type pr
switch (op->intrinsic) {
case nir_intrinsic_load_patch_vertices_in: {
auto vertices_in = nir_channel(b, load_in_param_base, 2);
nir_ssa_def *vertices_in;
if (b->shader->info.stage == MESA_SHADER_TESS_CTRL)
vertices_in = nir_channel(b, load_in_param_base, 2);
else {
auto base = emit_load_param_base(b, nir_intrinsic_load_tcs_in_param_base_r600);
vertices_in = nir_channel(b, base, 2);
}
nir_ssa_def_rewrite_uses(&op->dest.ssa, nir_src_for_ssa(vertices_in));
nir_instr_remove(&op->instr);
return true;