fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-05 19:50:12 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

r600/sfn: Don't assign dest registers in non-write interpolation slots

Browse source 
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37321>
This commit is contained in:
Gert Wollny 2025-09-11 14:47:29 +02:00 • committed by Marge Bot
parent ebe395608a
commit 0cd0efbbf9
1 changed files with 37 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
src/gallium/drivers/r600/sfn/sfn_shader_fs.cpp
View file

@ -975,11 +975,18 @@ FragmentShaderEG::load_interpolated_one_comp(RegisterVec4& dest,
if (op == op2_interp_z)
chan += 2;
ir = new AluInstr(op,
dest[chan],
i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, chan),
i == 0 ? AluInstr::write : AluInstr::empty);
if (i == 0)
ir = new AluInstr(op,
dest[chan],
params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, chan),
AluInstr::write);
else
ir = new AluInstr(op,
chan,
{params.j,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, chan)},
AluInstr::empty);
ir->set_bank_swizzle(alu_vec_210);
success = group->add_instruction(ir);
@ -1002,11 +1009,18 @@ FragmentShaderEG::load_interpolated_two_comp(RegisterVec4& dest,
assert(params.j);
assert(params.i);
for (unsigned i = 0; i < 4; ++i) {
ir = new AluInstr(op,
dest[i],
i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i),
(writemask & (1 << i)) ? AluInstr::write : AluInstr::empty);
if (writemask & (1 << i))
ir = new AluInstr(op,
dest[i],
i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i),
AluInstr::write);
else
ir = new AluInstr(op,
i,
{i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i)},
AluInstr::empty);
ir->set_bank_swizzle(alu_vec_210);
success = group->add_instruction(ir);
}
@ -1026,11 +1040,19 @@ FragmentShaderEG::load_interpolated_two_comp_for_one(RegisterVec4& dest,
AluInstr *ir = nullptr;
for (int i = 0; i < 4; ++i) {
ir = new AluInstr(op,
dest[i],
i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i),
i == comp ? AluInstr::write : AluInstr::empty);
if (i == comp) {
ir = new AluInstr(op,
dest[i],
i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i),
AluInstr::write);
} else {
ir = new AluInstr(op,
i,
{i & 1 ? params.j : params.i,
new InlineConstant(ALU_SRC_PARAM_BASE + params.base, i)},
AluInstr::empty);
}
ir->set_bank_swizzle(alu_vec_210);
success = group->add_instruction(ir);
}