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Merge pull request #3109 from FernandoS27/new-instr
Implement FLO & TXD Instructions on GPU Shaders
This commit is contained in:
bunnei
GitHub
commit
e36814d6d5
6 changed files with 171 additions and 8 deletions
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@ -799,6 +799,12 @@ union Instruction {
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BitField<40, 1, u64> invert;
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} popc;
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union {
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BitField<41, 1, u64> sh;
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BitField<40, 1, u64> invert;
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BitField<48, 1, u64> is_signed;
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} flo;
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union {
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BitField<39, 3, u64> pred;
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BitField<42, 1, u64> neg_pred;
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@ -1439,6 +1445,26 @@ union Instruction {
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}
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} tlds;
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union {
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BitField<28, 1, u64> is_array;
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BitField<29, 2, TextureType> texture_type;
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BitField<35, 1, u64> aoffi_flag;
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BitField<49, 1, u64> nodep_flag;
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bool UsesMiscMode(TextureMiscMode mode) const {
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switch (mode) {
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case TextureMiscMode::AOFFI:
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return aoffi_flag != 0;
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case TextureMiscMode::NODEP:
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return nodep_flag != 0;
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default:
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break;
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}
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return false;
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}
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} txd;
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union {
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BitField<24, 2, StoreCacheManagement> cache_management;
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BitField<33, 3, ImageType> image_type;
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@ -1632,6 +1658,8 @@ public:
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TLD4S, // Texture Load 4 with scalar / non - vec4 source / destinations
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TMML_B, // Texture Mip Map Level
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TMML, // Texture Mip Map Level
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TXD, // Texture Gradient/Load with Derivates
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TXD_B, // Texture Gradient/Load with Derivates Bindless
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SUST, // Surface Store
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SULD, // Surface Load
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SUATOM, // Surface Atomic Operation
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@ -1664,6 +1692,9 @@ public:
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ISCADD_C, // Scale and Add
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ISCADD_R,
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ISCADD_IMM,
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FLO_R,
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FLO_C,
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FLO_IMM,
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LEA_R1,
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LEA_R2,
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LEA_RZ,
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@ -1727,6 +1758,10 @@ public:
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SHR_C,
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SHR_R,
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SHR_IMM,
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SHF_RIGHT_R,
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SHF_RIGHT_IMM,
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SHF_LEFT_R,
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SHF_LEFT_IMM,
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FMNMX_C,
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FMNMX_R,
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FMNMX_IMM,
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@ -1924,6 +1959,8 @@ private:
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INST("1101111100------", Id::TLD4S, Type::Texture, "TLD4S"),
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INST("110111110110----", Id::TMML_B, Type::Texture, "TMML_B"),
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INST("1101111101011---", Id::TMML, Type::Texture, "TMML"),
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INST("11011110011110--", Id::TXD_B, Type::Texture, "TXD_B"),
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INST("11011110001110--", Id::TXD, Type::Texture, "TXD"),
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INST("11101011001-----", Id::SUST, Type::Image, "SUST"),
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INST("11101011000-----", Id::SULD, Type::Image, "SULD"),
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INST("1110101000------", Id::SUATOM, Type::Image, "SUATOM_D"),
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@ -1965,6 +2002,9 @@ private:
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INST("010110110100----", Id::ICMP_R, Type::ArithmeticInteger, "ICMP_R"),
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INST("010010110100----", Id::ICMP_CR, Type::ArithmeticInteger, "ICMP_CR"),
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INST("0011011-0100----", Id::ICMP_IMM, Type::ArithmeticInteger, "ICMP_IMM"),
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INST("0101110000110---", Id::FLO_R, Type::ArithmeticInteger, "FLO_R"),
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INST("0100110000110---", Id::FLO_C, Type::ArithmeticInteger, "FLO_C"),
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INST("0011100-00110---", Id::FLO_IMM, Type::ArithmeticInteger, "FLO_IMM"),
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INST("0101101111011---", Id::LEA_R2, Type::ArithmeticInteger, "LEA_R2"),
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INST("0101101111010---", Id::LEA_R1, Type::ArithmeticInteger, "LEA_R1"),
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INST("001101101101----", Id::LEA_IMM, Type::ArithmeticInteger, "LEA_IMM"),
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@ -2022,6 +2062,10 @@ private:
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INST("0100110000101---", Id::SHR_C, Type::Shift, "SHR_C"),
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INST("0101110000101---", Id::SHR_R, Type::Shift, "SHR_R"),
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INST("0011100-00101---", Id::SHR_IMM, Type::Shift, "SHR_IMM"),
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INST("0101110011111---", Id::SHF_RIGHT_R, Type::Shift, "SHF_RIGHT_R"),
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INST("0011100-11111---", Id::SHF_RIGHT_IMM, Type::Shift, "SHF_RIGHT_IMM"),
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INST("0101101111111---", Id::SHF_LEFT_R, Type::Shift, "SHF_LEFT_R"),
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INST("0011011-11111---", Id::SHF_LEFT_IMM, Type::Shift, "SHF_LEFT_IMM"),
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INST("0100110011100---", Id::I2I_C, Type::Conversion, "I2I_C"),
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INST("0101110011100---", Id::I2I_R, Type::Conversion, "I2I_R"),
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INST("0011101-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
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@ -49,8 +49,9 @@ class ExprDecompiler;
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enum class Type { Void, Bool, Bool2, Float, Int, Uint, HalfFloat };
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struct TextureAoffi {};
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struct TextureDerivates {};
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using TextureArgument = std::pair<Type, Node>;
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using TextureIR = std::variant<TextureAoffi, TextureArgument>;
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using TextureIR = std::variant<TextureAoffi, TextureDerivates, TextureArgument>;
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constexpr u32 MAX_CONSTBUFFER_ELEMENTS =
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static_cast<u32>(Maxwell::MaxConstBufferSize) / (4 * sizeof(float));
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@ -1112,6 +1113,8 @@ private:
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expr += GenerateTextureArgument(*argument);
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} else if (std::holds_alternative<TextureAoffi>(variant)) {
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expr += GenerateTextureAoffi(meta->aoffi);
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} else if (std::holds_alternative<TextureDerivates>(variant)) {
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expr += GenerateTextureDerivates(meta->derivates);
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} else {
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UNREACHABLE();
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}
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@ -1181,6 +1184,36 @@ private:
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return expr;
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}
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std::string GenerateTextureDerivates(const std::vector<Node>& derivates) {
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if (derivates.empty()) {
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return {};
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}
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constexpr std::array coord_constructors = {"float", "vec2", "vec3"};
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std::string expr = ", ";
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const std::size_t components = derivates.size() / 2;
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std::string dx = coord_constructors.at(components - 1);
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std::string dy = coord_constructors.at(components - 1);
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dx += '(';
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dy += '(';
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for (std::size_t index = 0; index < components; ++index) {
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const auto operand_x{derivates.at(index * 2)};
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const auto operand_y{derivates.at(index * 2 + 1)};
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dx += Visit(operand_x).AsFloat();
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dy += Visit(operand_y).AsFloat();
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if (index + 1 < components) {
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dx += ", ";
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dy += ", ";
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}
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}
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dx += ')';
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dy += ')';
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expr += dx + ", " + dy;
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return expr;
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}
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std::string BuildIntegerCoordinates(Operation operation) {
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constexpr std::array constructors{"int(", "ivec2(", "ivec3(", "ivec4("};
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const std::size_t coords_count{operation.GetOperandsCount()};
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@ -1450,6 +1483,11 @@ private:
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return GenerateUnary(operation, "bitCount", type, type);
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}
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template <Type type>
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Expression BitMSB(Operation operation) {
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return GenerateUnary(operation, "findMSB", type, type);
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}
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Expression HNegate(Operation operation) {
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const auto GetNegate = [&](std::size_t index) {
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return VisitOperand(operation, index).AsBool() + " ? -1 : 1";
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@ -1738,6 +1776,14 @@ private:
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return {std::move(expr), Type::Float};
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}
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Expression TextureGradient(Operation operation) {
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const auto meta = std::get_if<MetaTexture>(&operation.GetMeta());
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ASSERT(meta);
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std::string expr = GenerateTexture(operation, "Grad", {TextureDerivates{}, TextureAoffi{}});
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return {std::move(expr) + GetSwizzle(meta->element), Type::Float};
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}
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Expression ImageLoad(Operation operation) {
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if (!device.HasImageLoadFormatted()) {
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LOG_ERROR(Render_OpenGL,
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@ -2003,6 +2049,7 @@ private:
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&GLSLDecompiler::BitfieldInsert<Type::Int>,
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&GLSLDecompiler::BitfieldExtract<Type::Int>,
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&GLSLDecompiler::BitCount<Type::Int>,
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&GLSLDecompiler::BitMSB<Type::Int>,
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&GLSLDecompiler::Add<Type::Uint>,
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&GLSLDecompiler::Mul<Type::Uint>,
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@ -2021,6 +2068,7 @@ private:
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&GLSLDecompiler::BitfieldInsert<Type::Uint>,
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&GLSLDecompiler::BitfieldExtract<Type::Uint>,
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&GLSLDecompiler::BitCount<Type::Uint>,
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&GLSLDecompiler::BitMSB<Type::Uint>,
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&GLSLDecompiler::Add<Type::HalfFloat>,
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&GLSLDecompiler::Mul<Type::HalfFloat>,
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@ -2084,6 +2132,7 @@ private:
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&GLSLDecompiler::TextureQueryDimensions,
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&GLSLDecompiler::TextureQueryLod,
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&GLSLDecompiler::TexelFetch,
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&GLSLDecompiler::TextureGradient,
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&GLSLDecompiler::ImageLoad,
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&GLSLDecompiler::ImageStore,
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@ -983,6 +983,11 @@ private:
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return {};
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}
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Id TextureGradient(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id ImageLoad(Operation operation) {
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UNIMPLEMENTED();
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return {};
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@ -1391,6 +1396,7 @@ private:
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&SPIRVDecompiler::Quaternary<&Module::OpBitFieldInsert, Type::Int>,
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&SPIRVDecompiler::Ternary<&Module::OpBitFieldSExtract, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpBitCount, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpFindSMsb, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpIAdd, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpIMul, Type::Uint>,
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@ -1409,6 +1415,7 @@ private:
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&SPIRVDecompiler::Quaternary<&Module::OpBitFieldInsert, Type::Uint>,
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&SPIRVDecompiler::Ternary<&Module::OpBitFieldUExtract, Type::Uint>,
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&SPIRVDecompiler::Unary<&Module::OpBitCount, Type::Uint>,
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&SPIRVDecompiler::Unary<&Module::OpFindUMsb, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpFAdd, Type::HalfFloat>,
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&SPIRVDecompiler::Binary<&Module::OpFMul, Type::HalfFloat>,
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@ -1473,6 +1480,7 @@ private:
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&SPIRVDecompiler::TextureQueryDimensions,
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&SPIRVDecompiler::TextureQueryLod,
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&SPIRVDecompiler::TexelFetch,
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&SPIRVDecompiler::TextureGradient,
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&SPIRVDecompiler::ImageLoad,
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&SPIRVDecompiler::ImageStore,
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@ -130,6 +130,25 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
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SetRegister(bb, instr.gpr0, value);
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break;
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}
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case OpCode::Id::FLO_R:
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case OpCode::Id::FLO_C:
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case OpCode::Id::FLO_IMM: {
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Node value;
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if (instr.flo.invert) {
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op_b = Operation(OperationCode::IBitwiseNot, NO_PRECISE, std::move(op_b));
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}
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if (instr.flo.is_signed) {
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value = Operation(OperationCode::IBitMSB, NO_PRECISE, std::move(op_b));
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} else {
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value = Operation(OperationCode::UBitMSB, NO_PRECISE, std::move(op_b));
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}
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if (instr.flo.sh) {
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value =
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Operation(OperationCode::UBitwiseXor, NO_PRECISE, std::move(value), Immediate(31));
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}
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SetRegister(bb, instr.gpr0, std::move(value));
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break;
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}
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case OpCode::Id::SEL_C:
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case OpCode::Id::SEL_R:
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case OpCode::Id::SEL_IMM: {
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@ -134,13 +134,52 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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auto coords_copy = coords;
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, component, element};
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, component, element};
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values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
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}
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WriteTexsInstructionFloat(bb, instr, values, true);
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break;
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}
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case OpCode::Id::TXD_B:
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is_bindless = true;
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[[fallthrough]];
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case OpCode::Id::TXD: {
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UNIMPLEMENTED_IF_MSG(instr.txd.UsesMiscMode(TextureMiscMode::AOFFI),
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"AOFFI is not implemented");
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UNIMPLEMENTED_IF_MSG(instr.txd.is_array != 0, "TXD Array is not implemented");
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u64 base_reg = instr.gpr8.Value();
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const auto derivate_reg = instr.gpr20.Value();
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const auto texture_type = instr.txd.texture_type.Value();
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const auto coord_count = GetCoordCount(texture_type);
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const auto& sampler = is_bindless
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? GetBindlessSampler(base_reg, {{texture_type, false, false}})
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: GetSampler(instr.sampler, {{texture_type, false, false}});
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if (is_bindless) {
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base_reg++;
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}
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std::vector<Node> coords;
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std::vector<Node> derivates;
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for (std::size_t i = 0; i < coord_count; ++i) {
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coords.push_back(GetRegister(base_reg + i));
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const std::size_t derivate = i * 2;
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derivates.push_back(GetRegister(derivate_reg + derivate));
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derivates.push_back(GetRegister(derivate_reg + derivate + 1));
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}
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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MetaTexture meta{sampler, {}, {}, {}, derivates, {}, {}, {}, element};
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values[element] = Operation(OperationCode::TextureGradient, std::move(meta), coords);
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}
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WriteTexInstructionFloat(bb, instr, values);
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break;
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}
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case OpCode::Id::TXQ_B:
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is_bindless = true;
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[[fallthrough]];
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@ -158,7 +197,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
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if (!instr.txq.IsComponentEnabled(element)) {
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continue;
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}
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, element};
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, {}, element};
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const Node value =
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Operation(OperationCode::TextureQueryDimensions, meta,
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GetRegister(instr.gpr8.Value() + (is_bindless ? 1 : 0)));
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@ -212,7 +251,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
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continue;
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}
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auto params = coords;
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, element};
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MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, {}, element};
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const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params));
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SetTemporary(bb, indexer++, value);
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}
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@ -442,7 +481,7 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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auto copy_coords = coords;
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MetaTexture meta{sampler, array, depth_compare, aoffi, bias, lod, {}, element};
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MetaTexture meta{sampler, array, depth_compare, aoffi, {}, bias, lod, {}, element};
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values[element] = Operation(read_method, meta, std::move(copy_coords));
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}
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@ -574,7 +613,7 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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auto coords_copy = coords;
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MetaTexture meta{sampler, GetRegister(array_register), dc, aoffi, {}, {}, component,
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MetaTexture meta{sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, component,
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element};
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values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
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}
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@ -608,7 +647,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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auto coords_copy = coords;
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MetaTexture meta{sampler, array_register, {}, {}, {}, lod, {}, element};
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MetaTexture meta{sampler, array_register, {}, {}, {}, {}, lod, {}, element};
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values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
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}
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@ -653,7 +692,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
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Node4 values;
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for (u32 element = 0; element < values.size(); ++element) {
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auto coords_copy = coords;
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MetaTexture meta{sampler, array, {}, {}, {}, lod, {}, element};
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MetaTexture meta{sampler, array, {}, {}, {}, {}, lod, {}, element};
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values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
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}
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return values;
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@ -68,6 +68,7 @@ enum class OperationCode {
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IBitfieldInsert, /// (MetaArithmetic, int base, int insert, int offset, int bits) -> int
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IBitfieldExtract, /// (MetaArithmetic, int value, int offset, int offset) -> int
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IBitCount, /// (MetaArithmetic, int) -> int
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IBitMSB, /// (MetaArithmetic, int) -> int
|
||||
|
||||
UAdd, /// (MetaArithmetic, uint a, uint b) -> uint
|
||||
UMul, /// (MetaArithmetic, uint a, uint b) -> uint
|
||||
|
|
@ -86,6 +87,7 @@ enum class OperationCode {
|
|||
UBitfieldInsert, /// (MetaArithmetic, uint base, uint insert, int offset, int bits) -> uint
|
||||
UBitfieldExtract, /// (MetaArithmetic, uint value, int offset, int offset) -> uint
|
||||
UBitCount, /// (MetaArithmetic, uint) -> uint
|
||||
UBitMSB, /// (MetaArithmetic, uint) -> uint
|
||||
|
||||
HAdd, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
|
||||
HMul, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
|
||||
|
|
@ -149,6 +151,7 @@ enum class OperationCode {
|
|||
TextureQueryDimensions, /// (MetaTexture, float a) -> float4
|
||||
TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
|
||||
TexelFetch, /// (MetaTexture, int[N], int) -> float4
|
||||
TextureGradient, /// (MetaTexture, float[N] coords, float[N*2] derivates) -> float4
|
||||
|
||||
ImageLoad, /// (MetaImage, int[N] coords) -> void
|
||||
ImageStore, /// (MetaImage, int[N] coords) -> void
|
||||
|
|
@ -367,6 +370,7 @@ struct MetaTexture {
|
|||
Node array;
|
||||
Node depth_compare;
|
||||
std::vector<Node> aoffi;
|
||||
std::vector<Node> derivates;
|
||||
Node bias;
|
||||
Node lod;
|
||||
Node component{};
|
||||
|
|
|
|||
Loading…
Reference in a new issue