122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/* -*- mesa-c++ -*-
|
|
*
|
|
* Copyright (c) 2022 Collabora LTD
|
|
*
|
|
* Author: Gert Wollny <gert.wollny@collabora.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* on the rights to use, copy, modify, merge, publish, distribute, sub
|
|
* license, and/or sell copies of the Software, and to permit persons to whom
|
|
* the Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
* USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "sfn_shader_cs.h"
|
|
#include "sfn_instr_fetch.h"
|
|
|
|
|
|
namespace r600 {
|
|
|
|
ComputeShader::ComputeShader(UNUSED const r600_shader_key& key):
|
|
Shader("CS")
|
|
{
|
|
|
|
}
|
|
|
|
bool ComputeShader::do_scan_instruction(UNUSED nir_instr *instr)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int ComputeShader::do_allocate_reserved_registers()
|
|
{
|
|
auto& vf = value_factory();
|
|
|
|
const int thread_id_sel = 0;
|
|
const int wg_id_sel = 1;
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
m_local_invocation_id[i] = vf.allocate_pinned_register(thread_id_sel, i);
|
|
m_local_invocation_id[i]->pin_live_range(true);
|
|
|
|
m_workgroup_id[i] = vf.allocate_pinned_register(wg_id_sel, i);
|
|
m_workgroup_id[i]->pin_live_range(true);
|
|
}
|
|
return 2;
|
|
}
|
|
|
|
bool ComputeShader::process_stage_intrinsic(nir_intrinsic_instr *instr)
|
|
{
|
|
switch (instr->intrinsic) {
|
|
case nir_intrinsic_load_local_invocation_id:
|
|
return emit_load_3vec(instr, m_local_invocation_id);
|
|
case nir_intrinsic_load_workgroup_id:
|
|
return emit_load_3vec(instr, m_workgroup_id);
|
|
case nir_intrinsic_load_num_workgroups:
|
|
return emit_load_num_workgroups(instr);
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ComputeShader::do_get_shader_info(r600_shader *sh_info)
|
|
{
|
|
sh_info->processor_type = PIPE_SHADER_COMPUTE;
|
|
}
|
|
|
|
bool ComputeShader::read_prop(UNUSED std::istream& is)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void ComputeShader::do_print_properties(UNUSED std::ostream& os) const
|
|
{
|
|
|
|
}
|
|
|
|
bool ComputeShader::emit_load_num_workgroups(nir_intrinsic_instr* instr)
|
|
{
|
|
auto zero = value_factory().temp_register();
|
|
|
|
emit_instruction(new AluInstr(op1_mov, zero, value_factory().inline_const(ALU_SRC_0, 0),
|
|
AluInstr::last_write));
|
|
auto dest = value_factory().dest_vec4(instr->dest, pin_group);
|
|
|
|
auto ir = new LoadFromBuffer(dest, {0,1,2,7}, zero, 16,
|
|
R600_BUFFER_INFO_CONST_BUFFER,
|
|
nullptr, fmt_32_32_32_32);
|
|
|
|
ir->set_fetch_flag(LoadFromBuffer::srf_mode);
|
|
ir->reset_fetch_flag(LoadFromBuffer::format_comp_signed);
|
|
ir->set_num_format(vtx_nf_int);
|
|
emit_instruction(ir);
|
|
return true;
|
|
|
|
}
|
|
|
|
bool ComputeShader::emit_load_3vec(nir_intrinsic_instr* instr, const std::array<PRegister,3>& src)
|
|
{
|
|
auto& vf = value_factory();
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
auto dest = vf.dest(instr->dest, i, pin_none);
|
|
emit_instruction(new AluInstr(op1_mov, dest, src[i], i == 2 ? AluInstr::last_write : AluInstr::write));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
}
|