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r600/sfn: Fix dest-swizzle for GS vertex loads 

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7962>
This commit is contained in:
Gert Wollny 2020-11-28 16:36:04 +01:00 committed by Marge Bot
parent c5088b4972
commit d95791bb2e
1 changed files with 8 additions and 1 deletions
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9
src/gallium/drivers/r600/sfn/sfn_shader_geometry.cpp
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@ -393,7 +393,12 @@ bool GeometryShaderFromNir::emit_vertex(nir_intrinsic_instr* instr, bool cut)
bool GeometryShaderFromNir::emit_load_per_vertex_input(nir_intrinsic_instr* instr)
{
auto dest = vec_from_nir(instr->dest, instr->num_components);
auto dest = vec_from_nir(instr->dest, 4);
std::array<int, 4> swz = {7,7,7,7};
for (unsigned i = 0; i < nir_dest_num_components(instr->dest); ++i) {
swz[i] = i + nir_intrinsic_component(instr);
}
auto literal_index = nir_src_as_const_value(instr->src[0]);
@ -408,6 +413,8 @@ bool GeometryShaderFromNir::emit_load_per_vertex_input(nir_intrinsic_instr* inst
auto fetch = new FetchInstruction(vc_fetch, no_index_offset, dest, addr,
16 * nir_intrinsic_base(instr),
R600_GS_RING_CONST_BUFFER, PValue(), bim_none, true);
fetch->set_dest_swizzle(swz);
emit_instruction(fetch);
return true;
}