diff options
Diffstat (limited to 'third_party/rust/naga/src/front/spv/convert.rs')
| -rw-r--r-- | third_party/rust/naga/src/front/spv/convert.rs | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/third_party/rust/naga/src/front/spv/convert.rs b/third_party/rust/naga/src/front/spv/convert.rs new file mode 100644 index 0000000000..128f7ceaef --- /dev/null +++ b/third_party/rust/naga/src/front/spv/convert.rs @@ -0,0 +1,174 @@ +use super::error::Error; +use num_traits::cast::FromPrimitive; +use std::convert::TryInto; + +pub(super) const fn map_binary_operator(word: spirv::Op) -> Result<crate::BinaryOperator, Error> { + use crate::BinaryOperator; + use spirv::Op; + + match word { + // Arithmetic Instructions +, -, *, /, % + Op::IAdd | Op::FAdd => Ok(BinaryOperator::Add), + Op::ISub | Op::FSub => Ok(BinaryOperator::Subtract), + Op::IMul | Op::FMul => Ok(BinaryOperator::Multiply), + Op::UDiv | Op::SDiv | Op::FDiv => Ok(BinaryOperator::Divide), + Op::SRem => Ok(BinaryOperator::Modulo), + // Relational and Logical Instructions + Op::IEqual | Op::FOrdEqual | Op::FUnordEqual | Op::LogicalEqual => { + Ok(BinaryOperator::Equal) + } + Op::INotEqual | Op::FOrdNotEqual | Op::FUnordNotEqual | Op::LogicalNotEqual => { + Ok(BinaryOperator::NotEqual) + } + Op::ULessThan | Op::SLessThan | Op::FOrdLessThan | Op::FUnordLessThan => { + Ok(BinaryOperator::Less) + } + Op::ULessThanEqual + | Op::SLessThanEqual + | Op::FOrdLessThanEqual + | Op::FUnordLessThanEqual => Ok(BinaryOperator::LessEqual), + Op::UGreaterThan | Op::SGreaterThan | Op::FOrdGreaterThan | Op::FUnordGreaterThan => { + Ok(BinaryOperator::Greater) + } + Op::UGreaterThanEqual + | Op::SGreaterThanEqual + | Op::FOrdGreaterThanEqual + | Op::FUnordGreaterThanEqual => Ok(BinaryOperator::GreaterEqual), + Op::BitwiseOr => Ok(BinaryOperator::InclusiveOr), + Op::BitwiseXor => Ok(BinaryOperator::ExclusiveOr), + Op::BitwiseAnd => Ok(BinaryOperator::And), + _ => Err(Error::UnknownBinaryOperator(word)), + } +} + +pub(super) const fn map_relational_fun( + word: spirv::Op, +) -> Result<crate::RelationalFunction, Error> { + use crate::RelationalFunction as Rf; + use spirv::Op; + + match word { + Op::All => Ok(Rf::All), + Op::Any => Ok(Rf::Any), + Op::IsNan => Ok(Rf::IsNan), + Op::IsInf => Ok(Rf::IsInf), + Op::IsFinite => Ok(Rf::IsFinite), + Op::IsNormal => Ok(Rf::IsNormal), + _ => Err(Error::UnknownRelationalFunction(word)), + } +} + +pub(super) const fn map_vector_size(word: spirv::Word) -> Result<crate::VectorSize, Error> { + match word { + 2 => Ok(crate::VectorSize::Bi), + 3 => Ok(crate::VectorSize::Tri), + 4 => Ok(crate::VectorSize::Quad), + _ => Err(Error::InvalidVectorSize(word)), + } +} + +pub(super) fn map_image_dim(word: spirv::Word) -> Result<crate::ImageDimension, Error> { + use spirv::Dim as D; + match D::from_u32(word) { + Some(D::Dim1D) => Ok(crate::ImageDimension::D1), + Some(D::Dim2D) => Ok(crate::ImageDimension::D2), + Some(D::Dim3D) => Ok(crate::ImageDimension::D3), + Some(D::DimCube) => Ok(crate::ImageDimension::Cube), + _ => Err(Error::UnsupportedImageDim(word)), + } +} + +pub(super) fn map_image_format(word: spirv::Word) -> Result<crate::StorageFormat, Error> { + match spirv::ImageFormat::from_u32(word) { + Some(spirv::ImageFormat::R8) => Ok(crate::StorageFormat::R8Unorm), + Some(spirv::ImageFormat::R8Snorm) => Ok(crate::StorageFormat::R8Snorm), + Some(spirv::ImageFormat::R8ui) => Ok(crate::StorageFormat::R8Uint), + Some(spirv::ImageFormat::R8i) => Ok(crate::StorageFormat::R8Sint), + Some(spirv::ImageFormat::R16ui) => Ok(crate::StorageFormat::R16Uint), + Some(spirv::ImageFormat::R16i) => Ok(crate::StorageFormat::R16Sint), + Some(spirv::ImageFormat::R16f) => Ok(crate::StorageFormat::R16Float), + Some(spirv::ImageFormat::Rg8) => Ok(crate::StorageFormat::Rg8Unorm), + Some(spirv::ImageFormat::Rg8Snorm) => Ok(crate::StorageFormat::Rg8Snorm), + Some(spirv::ImageFormat::Rg8ui) => Ok(crate::StorageFormat::Rg8Uint), + Some(spirv::ImageFormat::Rg8i) => Ok(crate::StorageFormat::Rg8Sint), + Some(spirv::ImageFormat::R32ui) => Ok(crate::StorageFormat::R32Uint), + Some(spirv::ImageFormat::R32i) => Ok(crate::StorageFormat::R32Sint), + Some(spirv::ImageFormat::R32f) => Ok(crate::StorageFormat::R32Float), + Some(spirv::ImageFormat::Rg16ui) => Ok(crate::StorageFormat::Rg16Uint), + Some(spirv::ImageFormat::Rg16i) => Ok(crate::StorageFormat::Rg16Sint), + Some(spirv::ImageFormat::Rg16f) => Ok(crate::StorageFormat::Rg16Float), + Some(spirv::ImageFormat::Rgba8) => Ok(crate::StorageFormat::Rgba8Unorm), + Some(spirv::ImageFormat::Rgba8Snorm) => Ok(crate::StorageFormat::Rgba8Snorm), + Some(spirv::ImageFormat::Rgba8ui) => Ok(crate::StorageFormat::Rgba8Uint), + Some(spirv::ImageFormat::Rgba8i) => Ok(crate::StorageFormat::Rgba8Sint), + Some(spirv::ImageFormat::Rgb10a2ui) => Ok(crate::StorageFormat::Rgb10a2Unorm), + Some(spirv::ImageFormat::R11fG11fB10f) => Ok(crate::StorageFormat::Rg11b10Float), + Some(spirv::ImageFormat::Rg32ui) => Ok(crate::StorageFormat::Rg32Uint), + Some(spirv::ImageFormat::Rg32i) => Ok(crate::StorageFormat::Rg32Sint), + Some(spirv::ImageFormat::Rg32f) => Ok(crate::StorageFormat::Rg32Float), + Some(spirv::ImageFormat::Rgba16ui) => Ok(crate::StorageFormat::Rgba16Uint), + Some(spirv::ImageFormat::Rgba16i) => Ok(crate::StorageFormat::Rgba16Sint), + Some(spirv::ImageFormat::Rgba16f) => Ok(crate::StorageFormat::Rgba16Float), + Some(spirv::ImageFormat::Rgba32ui) => Ok(crate::StorageFormat::Rgba32Uint), + Some(spirv::ImageFormat::Rgba32i) => Ok(crate::StorageFormat::Rgba32Sint), + Some(spirv::ImageFormat::Rgba32f) => Ok(crate::StorageFormat::Rgba32Float), + _ => Err(Error::UnsupportedImageFormat(word)), + } +} + +pub(super) fn map_width(word: spirv::Word) -> Result<crate::Bytes, Error> { + (word >> 3) // bits to bytes + .try_into() + .map_err(|_| Error::InvalidTypeWidth(word)) +} + +pub(super) fn map_builtin(word: spirv::Word, invariant: bool) -> Result<crate::BuiltIn, Error> { + use spirv::BuiltIn as Bi; + Ok(match spirv::BuiltIn::from_u32(word) { + Some(Bi::Position | Bi::FragCoord) => crate::BuiltIn::Position { invariant }, + Some(Bi::ViewIndex) => crate::BuiltIn::ViewIndex, + // vertex + Some(Bi::BaseInstance) => crate::BuiltIn::BaseInstance, + Some(Bi::BaseVertex) => crate::BuiltIn::BaseVertex, + Some(Bi::ClipDistance) => crate::BuiltIn::ClipDistance, + Some(Bi::CullDistance) => crate::BuiltIn::CullDistance, + Some(Bi::InstanceIndex) => crate::BuiltIn::InstanceIndex, + Some(Bi::PointSize) => crate::BuiltIn::PointSize, + Some(Bi::VertexIndex) => crate::BuiltIn::VertexIndex, + // fragment + Some(Bi::FragDepth) => crate::BuiltIn::FragDepth, + Some(Bi::FrontFacing) => crate::BuiltIn::FrontFacing, + Some(Bi::PrimitiveId) => crate::BuiltIn::PrimitiveIndex, + Some(Bi::SampleId) => crate::BuiltIn::SampleIndex, + Some(Bi::SampleMask) => crate::BuiltIn::SampleMask, + // compute + Some(Bi::GlobalInvocationId) => crate::BuiltIn::GlobalInvocationId, + Some(Bi::LocalInvocationId) => crate::BuiltIn::LocalInvocationId, + Some(Bi::LocalInvocationIndex) => crate::BuiltIn::LocalInvocationIndex, + Some(Bi::WorkgroupId) => crate::BuiltIn::WorkGroupId, + Some(Bi::WorkgroupSize) => crate::BuiltIn::WorkGroupSize, + Some(Bi::NumWorkgroups) => crate::BuiltIn::NumWorkGroups, + _ => return Err(Error::UnsupportedBuiltIn(word)), + }) +} + +pub(super) fn map_storage_class(word: spirv::Word) -> Result<super::ExtendedClass, Error> { + use super::ExtendedClass as Ec; + use spirv::StorageClass as Sc; + Ok(match Sc::from_u32(word) { + Some(Sc::Function) => Ec::Global(crate::AddressSpace::Function), + Some(Sc::Input) => Ec::Input, + Some(Sc::Output) => Ec::Output, + Some(Sc::Private) => Ec::Global(crate::AddressSpace::Private), + Some(Sc::UniformConstant) => Ec::Global(crate::AddressSpace::Handle), + Some(Sc::StorageBuffer) => Ec::Global(crate::AddressSpace::Storage { + //Note: this is restricted by decorations later + access: crate::StorageAccess::all(), + }), + // we expect the `Storage` case to be filtered out before calling this function. + Some(Sc::Uniform) => Ec::Global(crate::AddressSpace::Uniform), + Some(Sc::Workgroup) => Ec::Global(crate::AddressSpace::WorkGroup), + Some(Sc::PushConstant) => Ec::Global(crate::AddressSpace::PushConstant), + _ => return Err(Error::UnsupportedStorageClass(word)), + }) +} |