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https://github.com/yuzu-mirror/yuzu.git
synced 2024-11-03 07:30:02 +00:00
shader: Better interpolation and disabled attributes support
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parent
675a82416d
commit
dbd882ddeb
9 changed files with 101 additions and 25 deletions
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@ -76,6 +76,8 @@ Id GetAttributeType(EmitContext& ctx, AttributeType type) {
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return ctx.TypeVector(ctx.TypeInt(32, true), 4);
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return ctx.TypeVector(ctx.TypeInt(32, true), 4);
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case AttributeType::UnsignedInt:
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case AttributeType::UnsignedInt:
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return ctx.U32[4];
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return ctx.U32[4];
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case AttributeType::Disabled:
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break;
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}
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}
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throw InvalidArgument("Invalid attribute type {}", type);
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throw InvalidArgument("Invalid attribute type {}", type);
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}
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}
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@ -305,15 +307,36 @@ void EmitContext::DefineInputs(const Info& info) {
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if (info.loads_front_face) {
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if (info.loads_front_face) {
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front_face = DefineInput(*this, U1, spv::BuiltIn::FrontFacing);
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front_face = DefineInput(*this, U1, spv::BuiltIn::FrontFacing);
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}
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}
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for (size_t index = 0; index < info.loads_generics.size(); ++index) {
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for (size_t index = 0; index < info.input_generics.size(); ++index) {
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if (!info.loads_generics[index]) {
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const InputVarying generic{info.input_generics[index]};
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if (!generic.used) {
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continue;
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continue;
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}
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}
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const Id type{GetAttributeType(*this, profile.generic_input_types[index])};
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const AttributeType input_type{profile.generic_input_types[index]};
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if (input_type == AttributeType::Disabled) {
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continue;
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}
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const Id type{GetAttributeType(*this, input_type)};
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const Id id{DefineInput(*this, type)};
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const Id id{DefineInput(*this, type)};
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Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
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Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
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Name(id, fmt::format("in_attr{}", index));
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Name(id, fmt::format("in_attr{}", index));
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input_generics[index] = id;
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input_generics[index] = id;
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if (stage != Stage::Fragment) {
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continue;
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}
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switch (generic.interpolation) {
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case Interpolation::Smooth:
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// Default
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// Decorate(id, spv::Decoration::Smooth);
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break;
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case Interpolation::NoPerspective:
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Decorate(id, spv::Decoration::NoPerspective);
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break;
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case Interpolation::Flat:
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Decorate(id, spv::Decoration::Flat);
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break;
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}
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}
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}
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}
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}
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@ -10,16 +10,23 @@
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namespace Shader::Backend::SPIRV {
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namespace Shader::Backend::SPIRV {
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namespace {
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namespace {
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std::tuple<Id, Id, bool> AttrTypes(EmitContext& ctx, u32 index) {
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struct AttrInfo {
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const bool is_first_reader{ctx.stage == Stage::VertexB};
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Id pointer;
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Id id;
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bool needs_cast;
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};
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std::optional<AttrInfo> AttrTypes(EmitContext& ctx, u32 index) {
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const AttributeType type{ctx.profile.generic_input_types.at(index)};
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const AttributeType type{ctx.profile.generic_input_types.at(index)};
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switch (type) {
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switch (type) {
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case AttributeType::Float:
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case AttributeType::Float:
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return {ctx.input_f32, ctx.F32[1], false};
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return AttrInfo{ctx.input_f32, ctx.F32[1], false};
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case AttributeType::UnsignedInt:
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case AttributeType::UnsignedInt:
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return {ctx.input_u32, ctx.U32[1], true};
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return AttrInfo{ctx.input_u32, ctx.U32[1], true};
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case AttributeType::SignedInt:
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case AttributeType::SignedInt:
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return {ctx.input_s32, ctx.TypeInt(32, true), true};
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return AttrInfo{ctx.input_s32, ctx.TypeInt(32, true), true};
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case AttributeType::Disabled:
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return std::nullopt;
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}
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}
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throw InvalidArgument("Invalid attribute type {}", type);
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throw InvalidArgument("Invalid attribute type {}", type);
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}
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}
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@ -129,11 +136,15 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) {
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const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }};
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const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }};
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if (IR::IsGeneric(attr)) {
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if (IR::IsGeneric(attr)) {
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const u32 index{IR::GenericAttributeIndex(attr)};
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const u32 index{IR::GenericAttributeIndex(attr)};
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const auto [pointer_type, type, needs_cast]{AttrTypes(ctx, index)};
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const std::optional<AttrInfo> type{AttrTypes(ctx, index)};
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if (!type) {
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// Attribute is disabled
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return ctx.Constant(ctx.F32[1], 0.0f);
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}
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const Id generic_id{ctx.input_generics.at(index)};
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const Id generic_id{ctx.input_generics.at(index)};
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const Id pointer{ctx.OpAccessChain(pointer_type, generic_id, element_id())};
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const Id pointer{ctx.OpAccessChain(type->pointer, generic_id, element_id())};
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const Id value{ctx.OpLoad(type, pointer)};
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const Id value{ctx.OpLoad(type->id, pointer)};
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return needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value;
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return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value;
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}
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}
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switch (attr) {
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switch (attr) {
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case IR::Attribute::PositionX:
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case IR::Attribute::PositionX:
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@ -27,6 +27,40 @@ static void RemoveUnreachableBlocks(IR::Program& program) {
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});
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});
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}
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}
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static void CollectInterpolationInfo(Environment& env, IR::Program& program) {
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if (program.stage != Stage::Fragment) {
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return;
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}
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const ProgramHeader& sph{env.SPH()};
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for (size_t index = 0; index < program.info.input_generics.size(); ++index) {
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std::optional<PixelImap> imap;
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for (const PixelImap value : sph.ps.GenericInputMap(static_cast<u32>(index))) {
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if (value == PixelImap::Unused) {
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continue;
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}
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if (imap && imap != value) {
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throw NotImplementedException("Per component interpolation");
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}
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imap = value;
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}
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if (!imap) {
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continue;
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}
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program.info.input_generics[index].interpolation = [&] {
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switch (*imap) {
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case PixelImap::Unused:
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case PixelImap::Perspective:
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return Interpolation::Smooth;
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case PixelImap::Constant:
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return Interpolation::Flat;
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case PixelImap::ScreenLinear:
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return Interpolation::NoPerspective;
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}
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throw NotImplementedException("Unknown interpolation {}", *imap);
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}();
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}
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}
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IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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Environment& env, Flow::CFG& cfg) {
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Environment& env, Flow::CFG& cfg) {
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IR::Program program;
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IR::Program program;
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@ -51,6 +85,7 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
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Optimization::IdentityRemovalPass(program);
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Optimization::IdentityRemovalPass(program);
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Optimization::VerificationPass(program);
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Optimization::VerificationPass(program);
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Optimization::CollectShaderInfoPass(program);
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Optimization::CollectShaderInfoPass(program);
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CollectInterpolationInfo(env, program);
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return program;
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return program;
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}
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}
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@ -151,16 +151,8 @@ void TranslatorVisitor::IPA(u64 insn) {
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value = ir.FPMul(value, position_w);
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value = ir.FPMul(value, position_w);
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}
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}
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}
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}
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switch (ipa.interpolation_mode) {
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if (ipa.interpolation_mode == InterpolationMode::Multiply) {
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case InterpolationMode::Pass:
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break;
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case InterpolationMode::Multiply:
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value = ir.FPMul(value, F(ipa.multiplier));
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value = ir.FPMul(value, F(ipa.multiplier));
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break;
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case InterpolationMode::Constant:
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throw NotImplementedException("IPA.CONSTANT");
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case InterpolationMode::Sc:
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throw NotImplementedException("IPA.SC");
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}
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}
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// Saturated IPAs are generally generated out of clamped varyings.
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// Saturated IPAs are generally generated out of clamped varyings.
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@ -28,7 +28,7 @@ void AddConstantBufferDescriptor(Info& info, u32 index, u32 count) {
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void GetAttribute(Info& info, IR::Attribute attribute) {
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void GetAttribute(Info& info, IR::Attribute attribute) {
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if (IR::IsGeneric(attribute)) {
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if (IR::IsGeneric(attribute)) {
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info.loads_generics.at(IR::GenericAttributeIndex(attribute)) = true;
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info.input_generics.at(IR::GenericAttributeIndex(attribute)).used = true;
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return;
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return;
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}
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}
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switch (attribute) {
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switch (attribute) {
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@ -14,6 +14,7 @@ enum class AttributeType : u8 {
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Float,
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Float,
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SignedInt,
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SignedInt,
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UnsignedInt,
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UnsignedInt,
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Disabled,
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};
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};
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struct Profile {
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struct Profile {
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@ -31,6 +31,17 @@ enum class TextureType : u32 {
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ShadowArrayCube,
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ShadowArrayCube,
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};
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};
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enum class Interpolation {
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Smooth,
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Flat,
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NoPerspective,
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};
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struct InputVarying {
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Interpolation interpolation{Interpolation::Smooth};
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bool used{false};
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};
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struct TextureDescriptor {
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struct TextureDescriptor {
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TextureType type;
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TextureType type;
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u32 cbuf_index;
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u32 cbuf_index;
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@ -58,7 +69,7 @@ struct Info {
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bool uses_local_invocation_id{};
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bool uses_local_invocation_id{};
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bool uses_subgroup_invocation_id{};
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bool uses_subgroup_invocation_id{};
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std::array<bool, 32> loads_generics{};
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std::array<InputVarying, 32> input_generics{};
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bool loads_position{};
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bool loads_position{};
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bool loads_instance_id{};
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bool loads_instance_id{};
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bool loads_vertex_id{};
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bool loads_vertex_id{};
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@ -221,10 +221,10 @@ void GraphicsPipeline::MakePipeline(const Device& device, const FixedPipelineSta
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}
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}
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}
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}
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static_vector<VkVertexInputAttributeDescription, 32> vertex_attributes;
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static_vector<VkVertexInputAttributeDescription, 32> vertex_attributes;
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const auto& input_attributes = stage_infos[0].loads_generics;
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const auto& input_attributes = stage_infos[0].input_generics;
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for (size_t index = 0; index < state.attributes.size(); ++index) {
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for (size_t index = 0; index < state.attributes.size(); ++index) {
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const auto& attribute = state.attributes[index];
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const auto& attribute = state.attributes[index];
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if (!attribute.enabled || !input_attributes[index]) {
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if (!attribute.enabled || !input_attributes[index].used) {
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continue;
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continue;
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}
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}
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vertex_attributes.push_back({
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vertex_attributes.push_back({
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@ -755,6 +755,9 @@ ComputePipeline PipelineCache::CreateComputePipeline(ShaderPools& pools,
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}
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}
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static Shader::AttributeType CastAttributeType(const FixedPipelineState::VertexAttribute& attr) {
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static Shader::AttributeType CastAttributeType(const FixedPipelineState::VertexAttribute& attr) {
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if (attr.enabled == 0) {
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return Shader::AttributeType::Disabled;
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}
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switch (attr.Type()) {
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switch (attr.Type()) {
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case Maxwell::VertexAttribute::Type::SignedNorm:
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case Maxwell::VertexAttribute::Type::SignedNorm:
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case Maxwell::VertexAttribute::Type::UnsignedNorm:
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case Maxwell::VertexAttribute::Type::UnsignedNorm:
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