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r600/nir: Pin interpolation results to channel

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4609>
This commit is contained in:
Gert Wollny 2020-02-15 11:14:31 +01:00 • committed by Marge Bot
parent 5e036fef1f
commit 5d10e3ec60
3 changed files with 11 additions and 0 deletions
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4
src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
View file

@ -623,6 +623,8 @@ bool FragmentShaderFromNir::load_interpolated_one_comp(GPRVector &dest,
auto ir = new AluInstruction(op, dest[chan], i & 1 ? ip.j : ip.i,
PValue(new InlineConstValue(ALU_SRC_PARAM_BASE + io.lds_pos(), 0)),
i == 0 ? EmitInstruction::write : EmitInstruction::last);
dest.pin_to_channel(chan);
ir->set_bank_swizzle(alu_vec_210);
emit_instruction(ir);
}
@ -636,6 +638,7 @@ bool FragmentShaderFromNir::load_interpolated_two_comp(GPRVector &dest, ShaderIn
for (unsigned i = 0; i < 4 ; ++i) {
ir = new AluInstruction(op, dest[i], i & 1 ? ip.j : ip.i, PValue(new InlineConstValue(ALU_SRC_PARAM_BASE + io.lds_pos(), 0)),
(writemask & (1 << i)) ? EmitInstruction::write : EmitInstruction::empty);
dest.pin_to_channel(i);
ir->set_bank_swizzle(alu_vec_210);
emit_instruction(ir);
}
@ -653,6 +656,7 @@ bool FragmentShaderFromNir::load_interpolated_two_comp_for_one(GPRVector &dest,
PValue(new InlineConstValue(ALU_SRC_PARAM_BASE + io.lds_pos(), 0)),
i == comp ? EmitInstruction::write : EmitInstruction::empty);
ir->set_bank_swizzle(alu_vec_210);
dest.pin_to_channel(i);
emit_instruction(ir);
}
ir->set_flag(alu_last_instr);

6
src/gallium/drivers/r600/sfn/sfn_value_gpr.cpp
View file

@ -146,6 +146,12 @@ void GPRVector::set_reg_i(int i, PValue reg)
m_elms[i] = reg;
}
void GPRVector::pin_to_channel(int i)
{
auto& v = static_cast<GPRValue&>(*m_elms[i]);
v.pin_to_channel();
}
void GPRVector::do_print(std::ostream& os) const
{
os << "R" << sel() << ".";

1
src/gallium/drivers/r600/sfn/sfn_value_gpr.h
View file

@ -93,6 +93,7 @@ public:
PValue operator [] (int i) const {return m_elms[i];}
PValue& operator [] (int i) {return m_elms[i];}
void pin_to_channel(int i);
PValue x() const {return m_elms[0];}
PValue y() const {return m_elms[1];}