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Vector kill ops

This commit is contained in:
Dr. Chat 2016-02-21 16:13:13 -06:00
parent 633746b5e4
commit e78537571f
1 changed files with 72 additions and 5 deletions
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77
src/xenia/gpu/spirv_shader_translator.cc
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@ -596,6 +596,10 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
sources[i] = LoadFromOperand(instr.operands[i]);
}
Id pred_cond =
b.createBinOp(spv::Op::OpLogicalEqual, bool_type_, b.createLoad(p0_),
b.makeBoolConstant(instr.predicate_condition));
switch (instr.vector_opcode) {
case AluVectorOpcode::kAdd: {
dest = b.createBinOp(spv::Op::OpFAdd, vec4_float_type_, sources[0],
@ -630,6 +634,10 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
// TODO:
} break;
case AluVectorOpcode::kDst: {
// TODO
} break;
case AluVectorOpcode::kFloor: {
dest = CreateGlslStd450InstructionCall(
spv::Decoration::DecorationInvariant, vec4_float_type_,
@ -642,6 +650,70 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
spv::GLSLstd450::kFract, {sources[0]});
} break;
case AluVectorOpcode::kKillEq: {
auto continue_block = &b.makeNewBlock();
auto kill_block = &b.makeNewBlock();
auto cond = b.createBinOp(spv::Op::OpFOrdEqual, vec4_bool_type_,
sources[0], sources[1]);
cond = b.createUnaryOp(spv::Op::OpAny, bool_type_, cond);
cond = b.createBinOp(spv::Op::OpLogicalAnd, bool_type_, cond, pred_cond);
b.createConditionalBranch(cond, kill_block, continue_block);
b.setBuildPoint(kill_block);
b.createNoResultOp(spv::Op::OpKill);
b.setBuildPoint(continue_block);
dest = vec4_float_zero_;
} break;
case AluVectorOpcode::kKillGe: {
auto continue_block = &b.makeNewBlock();
auto kill_block = &b.makeNewBlock();
auto cond = b.createBinOp(spv::Op::OpFOrdGreaterThanEqual,
vec4_bool_type_, sources[0], sources[1]);
cond = b.createUnaryOp(spv::Op::OpAny, bool_type_, cond);
cond = b.createBinOp(spv::Op::OpLogicalAnd, bool_type_, cond, pred_cond);
b.createConditionalBranch(cond, kill_block, continue_block);
b.setBuildPoint(kill_block);
b.createNoResultOp(spv::Op::OpKill);
b.setBuildPoint(continue_block);
dest = vec4_float_zero_;
} break;
case AluVectorOpcode::kKillGt: {
auto continue_block = &b.makeNewBlock();
auto kill_block = &b.makeNewBlock();
auto cond = b.createBinOp(spv::Op::OpFOrdGreaterThan, vec4_bool_type_,
sources[0], sources[1]);
cond = b.createUnaryOp(spv::Op::OpAny, bool_type_, cond);
cond = b.createBinOp(spv::Op::OpLogicalAnd, bool_type_, cond, pred_cond);
b.createConditionalBranch(cond, kill_block, continue_block);
b.setBuildPoint(kill_block);
b.createNoResultOp(spv::Op::OpKill);
b.setBuildPoint(continue_block);
dest = vec4_float_zero_;
} break;
case AluVectorOpcode::kKillNe: {
auto continue_block = &b.makeNewBlock();
auto kill_block = &b.makeNewBlock();
auto cond = b.createBinOp(spv::Op::OpFOrdNotEqual, vec4_bool_type_,
sources[0], sources[1]);
cond = b.createUnaryOp(spv::Op::OpAny, bool_type_, cond);
cond = b.createBinOp(spv::Op::OpLogicalAnd, bool_type_, cond, pred_cond);
b.createConditionalBranch(cond, kill_block, continue_block);
b.setBuildPoint(kill_block);
b.createNoResultOp(spv::Op::OpKill);
b.setBuildPoint(continue_block);
dest = vec4_float_zero_;
} break;
case AluVectorOpcode::kMad: {
dest = b.createBinOp(spv::Op::OpFMul, vec4_float_type_, sources[0],
sources[1]);
@ -709,13 +781,8 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
if (dest) {
// If predicated, discard the result from the instruction.
Id pred_cond = 0;
Id pv_dest = dest;
if (instr.is_predicated) {
pred_cond =
b.createBinOp(spv::Op::OpLogicalEqual, bool_type_, b.createLoad(p0_),
b.makeBoolConstant(instr.predicate_condition));
pv_dest = b.createTriOp(spv::Op::OpSelect, vec4_float_type_, pred_cond,
dest, b.createLoad(pv_));
}