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Complete expression/statement support in MSL, refactor conversion met…
…hods in WGSL, and remove Statement::Empty
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| use super::Error; | ||
|
|
||
| pub fn map_storage_class(word: &str) -> Result<crate::StorageClass, Error<'_>> { | ||
| match word { | ||
| "in" => Ok(crate::StorageClass::Input), | ||
| "out" => Ok(crate::StorageClass::Output), | ||
| "uniform" => Ok(crate::StorageClass::Uniform), | ||
| "storage_buffer" => Ok(crate::StorageClass::StorageBuffer), | ||
| _ => Err(Error::UnknownStorageClass(word)), | ||
| } | ||
| } | ||
|
|
||
| pub fn map_built_in(word: &str) -> Result<crate::BuiltIn, Error<'_>> { | ||
| Ok(match word { | ||
| // vertex | ||
| "position" => crate::BuiltIn::Position, | ||
| "vertex_idx" => crate::BuiltIn::VertexIndex, | ||
| "instance_idx" => crate::BuiltIn::InstanceIndex, | ||
| // fragment | ||
| "front_facing" => crate::BuiltIn::FrontFacing, | ||
| "frag_coord" => crate::BuiltIn::FragCoord, | ||
| "frag_depth" => crate::BuiltIn::FragDepth, | ||
| // compute | ||
| "global_invocation_id" => crate::BuiltIn::GlobalInvocationId, | ||
| "local_invocation_id" => crate::BuiltIn::LocalInvocationId, | ||
| "local_invocation_idx" => crate::BuiltIn::LocalInvocationIndex, | ||
| _ => return Err(Error::UnknownBuiltin(word)), | ||
| }) | ||
| } | ||
|
|
||
| pub fn map_shader_stage(word: &str) -> Result<crate::ShaderStage, Error<'_>> { | ||
| match word { | ||
| "vertex" => Ok(crate::ShaderStage::Vertex), | ||
| "fragment" => Ok(crate::ShaderStage::Fragment), | ||
| "compute" => Ok(crate::ShaderStage::Compute), | ||
| _ => Err(Error::UnknownShaderStage(word)), | ||
| } | ||
| } | ||
|
|
||
| pub fn map_interpolation(word: &str) -> Result<crate::Interpolation, Error<'_>> { | ||
| match word { | ||
| "linear" => Ok(crate::Interpolation::Linear), | ||
| "flat" => Ok(crate::Interpolation::Flat), | ||
| "centroid" => Ok(crate::Interpolation::Centroid), | ||
| "sample" => Ok(crate::Interpolation::Sample), | ||
| "perspective" => Ok(crate::Interpolation::Perspective), | ||
| _ => Err(Error::UnknownDecoration(word)), | ||
| } | ||
| } | ||
|
|
||
| pub fn map_storage_format(word: &str) -> Result<crate::StorageFormat, Error<'_>> { | ||
| use crate::StorageFormat as Sf; | ||
| Ok(match word { | ||
| "r8unorm" => Sf::R8Unorm, | ||
| "r8snorm" => Sf::R8Snorm, | ||
| "r8uint" => Sf::R8Uint, | ||
| "r8sint" => Sf::R8Sint, | ||
| "r16uint" => Sf::R16Uint, | ||
| "r16sint" => Sf::R16Sint, | ||
| "r16float" => Sf::R16Float, | ||
| "rg8unorm" => Sf::Rg8Unorm, | ||
| "rg8snorm" => Sf::Rg8Snorm, | ||
| "rg8uint" => Sf::Rg8Uint, | ||
| "rg8sint" => Sf::Rg8Sint, | ||
| "r32uint" => Sf::R32Uint, | ||
| "r32sint" => Sf::R32Sint, | ||
| "r32float" => Sf::R32Float, | ||
| "rg16uint" => Sf::Rg16Uint, | ||
| "rg16sint" => Sf::Rg16Sint, | ||
| "rg16float" => Sf::Rg16Float, | ||
| "rgba8unorm" => Sf::Rgba8Unorm, | ||
| "rgba8snorm" => Sf::Rgba8Snorm, | ||
| "rgba8uint" => Sf::Rgba8Uint, | ||
| "rgba8sint" => Sf::Rgba8Sint, | ||
| "rgb10a2unorm" => Sf::Rgb10a2Unorm, | ||
| "rg11b10float" => Sf::Rg11b10Float, | ||
| "rg32uint" => Sf::Rg32Uint, | ||
| "rg32sint" => Sf::Rg32Sint, | ||
| "rg32float" => Sf::Rg32Float, | ||
| "rgba16uint" => Sf::Rgba16Uint, | ||
| "rgba16sint" => Sf::Rgba16Sint, | ||
| "rgba16float" => Sf::Rgba16Float, | ||
| "rgba32uint" => Sf::Rgba32Uint, | ||
| "rgba32sint" => Sf::Rgba32Sint, | ||
| "rgba32float" => Sf::Rgba32Float, | ||
| _ => return Err(Error::UnknownStorageFormat(word)), | ||
| }) | ||
| } | ||
|
|
||
| pub fn get_scalar_type(word: &str) -> Option<(crate::ScalarKind, crate::Bytes)> { | ||
| match word { | ||
| "f32" => Some((crate::ScalarKind::Float, 4)), | ||
| "i32" => Some((crate::ScalarKind::Sint, 4)), | ||
| "u32" => Some((crate::ScalarKind::Uint, 4)), | ||
| _ => None, | ||
| } | ||
| } | ||
|
|
||
| pub fn get_intrinsic(word: &str) -> Option<crate::IntrinsicFunction> { | ||
| match word { | ||
| "any" => Some(crate::IntrinsicFunction::Any), | ||
| "all" => Some(crate::IntrinsicFunction::All), | ||
| "is_nan" => Some(crate::IntrinsicFunction::IsNan), | ||
| "is_inf" => Some(crate::IntrinsicFunction::IsInf), | ||
| "is_normal" => Some(crate::IntrinsicFunction::IsNormal), | ||
| _ => None, | ||
| } | ||
| } | ||
| pub fn get_derivative(word: &str) -> Option<crate::DerivativeAxis> { | ||
| match word { | ||
| "dpdx" => Some(crate::DerivativeAxis::X), | ||
| "dpdy" => Some(crate::DerivativeAxis::Y), | ||
| "dwidth" => Some(crate::DerivativeAxis::Width), | ||
| _ => None, | ||
| } | ||
| } |
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