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glsl: TLD4 implementation
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697eacd095
commit
5fd92780b2
1 changed files with 89 additions and 2 deletions
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@ -67,6 +67,23 @@ std::string ShadowSamplerVecCast(TextureType type) {
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}
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}
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std::string PtpOffsets(const IR::Value& offset, const IR::Value& offset2) {
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const std::array values{offset.InstRecursive(), offset2.InstRecursive()};
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if (!values[0]->AreAllArgsImmediates() || !values[1]->AreAllArgsImmediates()) {
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// LOG_WARNING("Not all arguments in PTP are immediate, STUBBING");
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return "";
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}
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const IR::Opcode opcode{values[0]->GetOpcode()};
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if (opcode != values[1]->GetOpcode() || opcode != IR::Opcode::CompositeConstructU32x4) {
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throw LogicError("Invalid PTP arguments");
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}
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auto read{[&](unsigned int a, unsigned int b) { return values[a]->Arg(b).U32(); }};
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return fmt::format("ivec2[](ivec2({},{}),ivec2({},{}),ivec2({},{}),ivec2({},{}))", read(0, 0),
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read(0, 1), read(0, 2), read(0, 3), read(1, 0), read(1, 1), read(1, 2),
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read(1, 3));
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}
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IR::Inst* PrepareSparse(IR::Inst& inst) {
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const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
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if (sparse_inst) {
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@ -213,7 +230,45 @@ void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Ins
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[[maybe_unused]] std::string_view coords,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] const IR::Value& offset2) {
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throw NotImplementedException("GLSL Instruction");
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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const auto texture{Texture(ctx, info, index)};
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const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)};
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const auto sparse_inst{PrepareSparse(inst)};
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if (!offset2.IsEmpty()) {
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ctx.Add("/*OFFSET 2 IS {}*/", ctx.reg_alloc.Consume(offset2));
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}
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if (!sparse_inst) {
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if (offset.IsEmpty()) {
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ctx.Add("{}=textureGather({},{},int({}));", texel, texture, coords,
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info.gather_component);
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return;
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}
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if (offset2.IsEmpty()) {
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ctx.Add("{}=textureGatherOffset({},{},{},int({}));", texel, texture, coords,
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CastToIntVec(ctx.reg_alloc.Consume(offset), info), info.gather_component);
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return;
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}
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// PTP
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const auto offsets{PtpOffsets(offset, offset2)};
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ctx.Add("{}=textureGatherOffsets({},{},{},int({}));", texel, texture, coords, offsets,
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info.gather_component);
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return;
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}
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// TODO: Query sparseTexels extension support
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if (offset.IsEmpty()) {
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherARB({},{},{},int({})));",
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*sparse_inst, texture, coords, texel, info.gather_component);
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}
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if (offset2.IsEmpty()) {
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},{},int({})));",
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*sparse_inst, texture, CastToIntVec(coords, info),
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CastToIntVec(ctx.reg_alloc.Consume(offset), info), texel, info.gather_component);
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}
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// PTP
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const auto offsets{PtpOffsets(offset, offset2)};
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},{},int({})));",
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*sparse_inst, texture, CastToIntVec(coords, info), offsets, texel,
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info.gather_component);
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}
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void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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@ -222,7 +277,39 @@ void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR:
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] const IR::Value& offset2,
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[[maybe_unused]] std::string_view dref) {
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throw NotImplementedException("GLSL Instruction");
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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const auto texture{Texture(ctx, info, index)};
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const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)};
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const auto sparse_inst{PrepareSparse(inst)};
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if (!sparse_inst) {
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if (offset.IsEmpty()) {
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ctx.Add("{}=textureGather({},{},{});", texel, texture, coords, dref);
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return;
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}
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if (offset2.IsEmpty()) {
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ctx.Add("{}=textureGatherOffset({},{},{},{});", texel, texture, coords, dref,
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CastToIntVec(ctx.reg_alloc.Consume(offset), info));
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return;
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}
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// PTP
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const auto offsets{PtpOffsets(offset, offset2)};
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ctx.Add("{}=textureGatherOffsets({},{},{},{});", texel, texture, coords, dref, offsets);
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return;
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}
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// TODO: Query sparseTexels extension support
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if (offset.IsEmpty()) {
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherARB({},{},{},{}));", *sparse_inst,
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texture, coords, dref, texel);
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}
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if (offset2.IsEmpty()) {
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},,{},{}));",
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*sparse_inst, texture, CastToIntVec(coords, info), dref,
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CastToIntVec(ctx.reg_alloc.Consume(offset), info), texel);
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}
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// PTP
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const auto offsets{PtpOffsets(offset, offset2)};
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},,{},{}));",
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*sparse_inst, texture, CastToIntVec(coords, info), dref, offsets, texel);
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}
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void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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