mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 15:53:23 +02:00
shader/texture: Implement TLD4.PTP
This commit is contained in:
parent
844e4a297b
commit
e09c1fbc1f
@ -1239,7 +1239,7 @@ union Instruction {
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BitField<35, 1, u64> ndv_flag;
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BitField<49, 1, u64> nodep_flag;
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BitField<50, 1, u64> dc_flag;
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BitField<54, 2, u64> info;
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BitField<54, 2, u64> offset_mode;
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BitField<56, 2, u64> component;
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bool UsesMiscMode(TextureMiscMode mode) const {
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@ -1251,9 +1251,9 @@ union Instruction {
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case TextureMiscMode::DC:
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return dc_flag != 0;
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case TextureMiscMode::AOFFI:
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return info == 1;
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return offset_mode == 1;
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case TextureMiscMode::PTP:
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return info == 2;
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return offset_mode == 2;
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default:
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break;
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}
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@ -1265,7 +1265,7 @@ union Instruction {
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BitField<35, 1, u64> ndv_flag;
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BitField<49, 1, u64> nodep_flag;
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BitField<50, 1, u64> dc_flag;
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BitField<33, 2, u64> info;
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BitField<33, 2, u64> offset_mode;
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BitField<37, 2, u64> component;
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bool UsesMiscMode(TextureMiscMode mode) const {
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@ -1277,9 +1277,9 @@ union Instruction {
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case TextureMiscMode::DC:
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return dc_flag != 0;
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case TextureMiscMode::AOFFI:
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return info == 1;
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return offset_mode == 1;
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case TextureMiscMode::PTP:
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return info == 2;
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return offset_mode == 2;
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default:
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break;
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}
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@ -48,10 +48,10 @@ 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 TextureOffset {};
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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, TextureDerivates, TextureArgument>;
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using TextureIR = std::variant<TextureOffset, 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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@ -1089,6 +1089,8 @@ private:
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std::string expr = "texture" + function_suffix;
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if (!meta->aoffi.empty()) {
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expr += "Offset";
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} else if (!meta->ptp.empty()) {
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expr += "Offsets";
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}
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expr += '(' + GetSampler(meta->sampler) + ", ";
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expr += coord_constructors.at(count + (has_array ? 1 : 0) +
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@ -1117,8 +1119,12 @@ private:
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for (const auto& variant : extras) {
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if (const auto argument = std::get_if<TextureArgument>(&variant)) {
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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<TextureOffset>(variant)) {
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if (!meta->aoffi.empty()) {
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expr += GenerateTextureAoffi(meta->aoffi);
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} else if (!meta->ptp.empty()) {
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expr += GenerateTexturePtp(meta->ptp);
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}
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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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@ -1159,6 +1165,20 @@ private:
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return expr;
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}
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std::string ReadTextureOffset(const Node& value) {
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if (const auto immediate = std::get_if<ImmediateNode>(&*value)) {
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// Inline the string as an immediate integer in GLSL (AOFFI arguments are required
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// to be constant by the standard).
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return std::to_string(static_cast<s32>(immediate->GetValue()));
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} else if (device.HasVariableAoffi()) {
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// Avoid using variable AOFFI on unsupported devices.
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return Visit(value).AsInt();
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} else {
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// Insert 0 on devices not supporting variable AOFFI.
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return "0";
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}
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}
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std::string GenerateTextureAoffi(const std::vector<Node>& aoffi) {
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if (aoffi.empty()) {
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return {};
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@ -1169,18 +1189,7 @@ private:
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expr += '(';
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for (std::size_t index = 0; index < aoffi.size(); ++index) {
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const auto operand{aoffi.at(index)};
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if (const auto immediate = std::get_if<ImmediateNode>(&*operand)) {
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// Inline the string as an immediate integer in GLSL (AOFFI arguments are required
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// to be constant by the standard).
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expr += std::to_string(static_cast<s32>(immediate->GetValue()));
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} else if (device.HasVariableAoffi()) {
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// Avoid using variable AOFFI on unsupported devices.
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expr += Visit(operand).AsInt();
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} else {
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// Insert 0 on devices not supporting variable AOFFI.
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expr += '0';
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}
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expr += ReadTextureOffset(aoffi.at(index));
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if (index + 1 < aoffi.size()) {
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expr += ", ";
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}
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@ -1190,6 +1199,20 @@ private:
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return expr;
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}
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std::string GenerateTexturePtp(const std::vector<Node>& ptp) {
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static constexpr std::size_t num_vectors = 4;
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ASSERT(ptp.size() == num_vectors * 2);
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std::string expr = ", ivec2[](";
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for (std::size_t vector = 0; vector < num_vectors; ++vector) {
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const bool has_next = vector + 1 < num_vectors;
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expr += fmt::format("ivec2({}, {}){}", ReadTextureOffset(ptp.at(vector * 2)),
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ReadTextureOffset(ptp.at(vector * 2 + 1)), has_next ? ", " : "");
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}
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expr += ')';
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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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@ -1688,7 +1711,7 @@ private:
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ASSERT(meta);
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std::string expr = GenerateTexture(
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operation, "", {TextureAoffi{}, TextureArgument{Type::Float, meta->bias}});
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operation, "", {TextureOffset{}, TextureArgument{Type::Float, meta->bias}});
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if (meta->sampler.IsShadow()) {
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expr = "vec4(" + expr + ')';
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}
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@ -1700,7 +1723,7 @@ private:
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ASSERT(meta);
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std::string expr = GenerateTexture(
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operation, "Lod", {TextureArgument{Type::Float, meta->lod}, TextureAoffi{}});
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operation, "Lod", {TextureArgument{Type::Float, meta->lod}, TextureOffset{}});
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if (meta->sampler.IsShadow()) {
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expr = "vec4(" + expr + ')';
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}
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@ -1708,21 +1731,19 @@ private:
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}
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Expression TextureGather(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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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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const auto type = meta->sampler.IsShadow() ? Type::Float : Type::Int;
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if (meta->sampler.IsShadow()) {
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return {GenerateTexture(operation, "Gather", {TextureAoffi{}}, true) +
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GetSwizzle(meta->element),
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Type::Float};
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const auto type = meta.sampler.IsShadow() ? Type::Float : Type::Int;
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const bool separate_dc = meta.sampler.IsShadow();
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std::vector<TextureIR> ir;
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if (meta.sampler.IsShadow()) {
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ir = {TextureOffset{}};
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} else {
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return {GenerateTexture(operation, "Gather",
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{TextureAoffi{}, TextureArgument{type, meta->component}},
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false) +
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GetSwizzle(meta->element),
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Type::Float};
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ir = {TextureOffset{}, TextureArgument{type, meta.component}};
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}
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return {GenerateTexture(operation, "Gather", ir, separate_dc) + GetSwizzle(meta.element),
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Type::Float};
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}
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Expression TextureQueryDimensions(Operation operation) {
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@ -1793,7 +1814,8 @@ private:
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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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std::string expr =
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GenerateTexture(operation, "Grad", {TextureDerivates{}, TextureOffset{}});
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return {std::move(expr) + GetSwizzle(meta->element), Type::Float};
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}
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@ -91,18 +91,17 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
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case OpCode::Id::TLD4: {
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UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV),
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"NDV is not implemented");
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UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::PTP),
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"PTP is not implemented");
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const auto texture_type = instr.tld4.texture_type.Value();
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const bool depth_compare = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::DC)
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: instr.tld4.UsesMiscMode(TextureMiscMode::DC);
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const bool is_array = instr.tld4.array != 0;
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const bool is_aoffi = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::AOFFI)
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: instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI);
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WriteTexInstructionFloat(
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bb, instr,
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GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi, is_bindless));
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const bool is_ptp = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::PTP)
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: instr.tld4.UsesMiscMode(TextureMiscMode::PTP);
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WriteTexInstructionFloat(bb, instr,
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GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi,
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is_ptp, is_bindless));
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break;
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}
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case OpCode::Id::TLD4S: {
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@ -145,7 +144,7 @@ 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, {}, depth_compare, aoffi, {}, {}, {}, component, element};
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MetaTexture meta{sampler, {}, depth_compare, aoffi, {}, {}, {}, {}, component, element};
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values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
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}
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@ -194,7 +193,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
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}
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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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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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@ -234,7 +233,7 @@ 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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@ -303,7 +302,7 @@ 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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@ -542,7 +541,7 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
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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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@ -639,7 +638,9 @@ Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
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}
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Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
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bool is_array, bool is_aoffi, bool is_bindless) {
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bool is_array, bool is_aoffi, bool is_ptp, bool is_bindless) {
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ASSERT_MSG(!(is_aoffi && is_ptp), "AOFFI and PTP can't be enabled at the same time");
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const std::size_t coord_count = GetCoordCount(texture_type);
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// If enabled arrays index is always stored in the gpr8 field
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@ -665,12 +666,15 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
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return values;
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}
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std::vector<Node> aoffi;
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std::vector<Node> aoffi, ptp;
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if (is_aoffi) {
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aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, true);
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} else if (is_ptp) {
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ptp = GetPtpCoordinates(
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{GetRegister(parameter_register++), GetRegister(parameter_register++)});
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}
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Node dc{};
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Node dc;
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if (depth_compare) {
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dc = GetRegister(parameter_register++);
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}
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@ -680,8 +684,8 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
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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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element};
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MetaTexture meta{
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*sampler, GetRegister(array_register), dc, aoffi, ptp, {}, {}, {}, component, element};
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values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
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}
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@ -714,7 +718,7 @@ 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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@ -759,7 +763,7 @@ 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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@ -824,4 +828,38 @@ std::vector<Node> ShaderIR::GetAoffiCoordinates(Node aoffi_reg, std::size_t coor
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return aoffi;
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}
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std::vector<Node> ShaderIR::GetPtpCoordinates(std::array<Node, 2> ptp_regs) {
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static constexpr u32 num_entries = 8;
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std::vector<Node> ptp;
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ptp.reserve(num_entries);
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const auto global_size = static_cast<s64>(global_code.size());
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const std::optional low = TrackImmediate(ptp_regs[0], global_code, global_size);
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const std::optional high = TrackImmediate(ptp_regs[1], global_code, global_size);
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if (!low || !high) {
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for (u32 entry = 0; entry < num_entries; ++entry) {
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const u32 reg = entry / 4;
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const u32 offset = entry % 4;
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const Node value = BitfieldExtract(ptp_regs[reg], offset * 8, 6);
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const Node condition =
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Operation(OperationCode::LogicalIGreaterEqual, value, Immediate(32));
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const Node negative = Operation(OperationCode::IAdd, value, Immediate(-64));
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ptp.push_back(Operation(OperationCode::Select, condition, negative, value));
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}
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return ptp;
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}
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const u64 immediate = (static_cast<u64>(*high) << 32) | static_cast<u64>(*low);
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for (u32 entry = 0; entry < num_entries; ++entry) {
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s32 value = (immediate >> (entry * 8)) & 0b111111;
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if (value >= 32) {
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value -= 64;
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}
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ptp.push_back(Immediate(value));
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}
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return ptp;
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}
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} // namespace VideoCommon::Shader
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@ -374,6 +374,7 @@ struct MetaTexture {
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Node array;
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Node depth_compare;
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std::vector<Node> aoffi;
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std::vector<Node> ptp;
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std::vector<Node> derivates;
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Node bias;
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Node lod;
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@ -350,7 +350,8 @@ private:
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bool is_array);
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Node4 GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
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bool depth_compare, bool is_array, bool is_aoffi, bool is_bindless);
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bool depth_compare, bool is_array, bool is_aoffi, bool is_ptp,
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bool is_bindless);
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Node4 GetTldCode(Tegra::Shader::Instruction instr);
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@ -363,6 +364,8 @@ private:
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std::vector<Node> GetAoffiCoordinates(Node aoffi_reg, std::size_t coord_count, bool is_tld4);
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std::vector<Node> GetPtpCoordinates(std::array<Node, 2> ptp_regs);
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Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
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Tegra::Shader::TextureProcessMode process_mode, std::vector<Node> coords,
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Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi,
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