Commit 46a3033b authored by Gert Wollny's avatar Gert Wollny Committed by Marge Bot

r600/sfn: Emit some LDS instructions

Signed-off-by: Gert Wollny's avatarGert Wollny <gert.wollny@collabora.com>
Part-of: <!4714>
parent a1223037
......@@ -36,6 +36,7 @@
#include "sfn_nir.h"
#include "sfn_instruction_misc.h"
#include "sfn_instruction_fetch.h"
#include "sfn_instruction_lds.h"
#include <iostream>
......@@ -421,6 +422,46 @@ bool ShaderFromNirProcessor::emit_ifelse_end(int if_id)
return true;
}
bool ShaderFromNirProcessor::emit_load_tcs_param_base(nir_intrinsic_instr* instr, int offset)
{
PValue src = get_temp_register();
emit_instruction(new AluInstruction(op1_mov, src, Value::zero, {alu_write, alu_last_instr}));
GPRVector dest = vec_from_nir(instr->dest, instr->num_components);
emit_instruction(new FetchTCSIOParam(dest, src, offset));
return true;
}
bool ShaderFromNirProcessor::emit_load_local_shared(nir_intrinsic_instr* instr)
{
auto address = varvec_from_nir(instr->src[0], instr->num_components);
auto dest_value = varvec_from_nir(instr->dest, instr->num_components);
emit_instruction(new LDSReadInstruction(address, dest_value));
return true;
}
bool ShaderFromNirProcessor::emit_store_local_shared(nir_intrinsic_instr* instr)
{
unsigned write_mask = nir_intrinsic_write_mask(instr);
auto address = from_nir(instr->src[1], 0);
int swizzle_base = (write_mask & 0x3) ? 0 : 2;
write_mask |= write_mask >> 2;
auto value = from_nir(instr->src[0], swizzle_base);
if (!(write_mask & 2)) {
emit_instruction(new LDSWriteInstruction(address, 0, value));
} else {
auto value1 = from_nir(instr->src[0], swizzle_base + 1);
emit_instruction(new LDSWriteInstruction(address, 0, value, value1));
}
return true;
}
bool ShaderFromNirProcessor::emit_intrinsic_instruction(nir_intrinsic_instr* instr)
{
r600::sfn_log << SfnLog::instr << "emit '"
......@@ -486,6 +527,14 @@ bool ShaderFromNirProcessor::emit_intrinsic_instruction(nir_intrinsic_instr* ins
case nir_intrinsic_load_constant:
case nir_intrinsic_load_input:
case nir_intrinsic_store_output:
case nir_intrinsic_load_tcs_in_param_base_r600:
return emit_load_tcs_param_base(instr, 0);
case nir_intrinsic_load_tcs_out_param_base_r600:
return emit_load_tcs_param_base(instr, 16);
case nir_intrinsic_load_local_shared_r600:
return emit_load_local_shared(instr);
case nir_intrinsic_store_local_shared_r600:
return emit_store_local_shared(instr);
default:
fprintf(stderr, "r600-nir: Unsupported intrinsic %d\n", instr->intrinsic);
return false;
......
......@@ -98,6 +98,10 @@ protected:
bool emit_loop_end(int loop_id);
bool emit_jump_instruction(nir_jump_instr *instr);
bool emit_load_tcs_param_base(nir_intrinsic_instr* instr, int offset);
bool emit_load_local_shared(nir_intrinsic_instr* instr);
bool emit_store_local_shared(nir_intrinsic_instr* instr);
const GPRVector *output_register(unsigned location) const;
bool load_preloaded_value(const nir_dest& dest, int chan, PValue value,
......
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