diff options
Diffstat (limited to 'third_party/rust/naga/src/front/glsl')
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/context.rs | 48 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/error.rs | 18 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/functions.rs | 10 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/mod.rs | 4 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/parser.rs | 17 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/parser/declarations.rs | 9 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/parser/functions.rs | 9 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/parser_tests.rs | 22 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/types.rs | 17 | ||||
| -rw-r--r-- | third_party/rust/naga/src/front/glsl/variables.rs | 1 |
10 files changed, 93 insertions, 62 deletions
diff --git a/third_party/rust/naga/src/front/glsl/context.rs b/third_party/rust/naga/src/front/glsl/context.rs index f26c57965d..6ba7df593a 100644 --- a/third_party/rust/naga/src/front/glsl/context.rs +++ b/third_party/rust/naga/src/front/glsl/context.rs @@ -77,12 +77,19 @@ pub struct Context<'a> { pub body: Block, pub module: &'a mut crate::Module, pub is_const: bool, - /// Tracks the constness of `Expression`s residing in `self.expressions` - pub expression_constness: crate::proc::ExpressionConstnessTracker, + /// Tracks the expression kind of `Expression`s residing in `self.expressions` + pub local_expression_kind_tracker: crate::proc::ExpressionKindTracker, + /// Tracks the expression kind of `Expression`s residing in `self.module.global_expressions` + pub global_expression_kind_tracker: &'a mut crate::proc::ExpressionKindTracker, } impl<'a> Context<'a> { - pub fn new(frontend: &Frontend, module: &'a mut crate::Module, is_const: bool) -> Result<Self> { + pub fn new( + frontend: &Frontend, + module: &'a mut crate::Module, + is_const: bool, + global_expression_kind_tracker: &'a mut crate::proc::ExpressionKindTracker, + ) -> Result<Self> { let mut this = Context { expressions: Arena::new(), locals: Arena::new(), @@ -101,7 +108,8 @@ impl<'a> Context<'a> { body: Block::new(), module, is_const: false, - expression_constness: crate::proc::ExpressionConstnessTracker::new(), + local_expression_kind_tracker: crate::proc::ExpressionKindTracker::new(), + global_expression_kind_tracker, }; this.emit_start(); @@ -249,40 +257,24 @@ impl<'a> Context<'a> { pub fn add_expression(&mut self, expr: Expression, meta: Span) -> Result<Handle<Expression>> { let mut eval = if self.is_const { - crate::proc::ConstantEvaluator::for_glsl_module(self.module) + crate::proc::ConstantEvaluator::for_glsl_module( + self.module, + self.global_expression_kind_tracker, + ) } else { crate::proc::ConstantEvaluator::for_glsl_function( self.module, &mut self.expressions, - &mut self.expression_constness, + &mut self.local_expression_kind_tracker, &mut self.emitter, &mut self.body, ) }; - let res = eval.try_eval_and_append(&expr, meta).map_err(|e| Error { + eval.try_eval_and_append(expr, meta).map_err(|e| Error { kind: e.into(), meta, - }); - - match res { - Ok(expr) => Ok(expr), - Err(e) => { - if self.is_const { - Err(e) - } else { - let needs_pre_emit = expr.needs_pre_emit(); - if needs_pre_emit { - self.body.extend(self.emitter.finish(&self.expressions)); - } - let h = self.expressions.append(expr, meta); - if needs_pre_emit { - self.emitter.start(&self.expressions); - } - Ok(h) - } - } - } + }) } /// Add variable to current scope @@ -1479,7 +1471,7 @@ impl Index<Handle<Expression>> for Context<'_> { fn index(&self, index: Handle<Expression>) -> &Self::Output { if self.is_const { - &self.module.const_expressions[index] + &self.module.global_expressions[index] } else { &self.expressions[index] } diff --git a/third_party/rust/naga/src/front/glsl/error.rs b/third_party/rust/naga/src/front/glsl/error.rs index bd16ee30bc..e0771437e6 100644 --- a/third_party/rust/naga/src/front/glsl/error.rs +++ b/third_party/rust/naga/src/front/glsl/error.rs @@ -1,4 +1,5 @@ use super::token::TokenValue; +use crate::SourceLocation; use crate::{proc::ConstantEvaluatorError, Span}; use codespan_reporting::diagnostic::{Diagnostic, Label}; use codespan_reporting::files::SimpleFile; @@ -137,14 +138,21 @@ pub struct Error { pub meta: Span, } +impl Error { + /// Returns a [`SourceLocation`] for the error message. + pub fn location(&self, source: &str) -> Option<SourceLocation> { + Some(self.meta.location(source)) + } +} + /// A collection of errors returned during shader parsing. #[derive(Clone, Debug)] #[cfg_attr(test, derive(PartialEq))] -pub struct ParseError { +pub struct ParseErrors { pub errors: Vec<Error>, } -impl ParseError { +impl ParseErrors { pub fn emit_to_writer(&self, writer: &mut impl WriteColor, source: &str) { self.emit_to_writer_with_path(writer, source, "glsl"); } @@ -172,19 +180,19 @@ impl ParseError { } } -impl std::fmt::Display for ParseError { +impl std::fmt::Display for ParseErrors { fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { self.errors.iter().try_for_each(|e| write!(f, "{e:?}")) } } -impl std::error::Error for ParseError { +impl std::error::Error for ParseErrors { fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { None } } -impl From<Vec<Error>> for ParseError { +impl From<Vec<Error>> for ParseErrors { fn from(errors: Vec<Error>) -> Self { Self { errors } } diff --git a/third_party/rust/naga/src/front/glsl/functions.rs b/third_party/rust/naga/src/front/glsl/functions.rs index 01846eb814..fa1bbef56b 100644 --- a/third_party/rust/naga/src/front/glsl/functions.rs +++ b/third_party/rust/naga/src/front/glsl/functions.rs @@ -1236,6 +1236,8 @@ impl Frontend { let pointer = ctx .expressions .append(Expression::GlobalVariable(arg.handle), Default::default()); + ctx.local_expression_kind_tracker + .insert(pointer, crate::proc::ExpressionKind::Runtime); let ty = ctx.module.global_variables[arg.handle].ty; @@ -1256,6 +1258,8 @@ impl Frontend { let value = ctx .expressions .append(Expression::FunctionArgument(idx), Default::default()); + ctx.local_expression_kind_tracker + .insert(value, crate::proc::ExpressionKind::Runtime); ctx.body .push(Statement::Store { pointer, value }, Default::default()); }, @@ -1285,6 +1289,8 @@ impl Frontend { let pointer = ctx .expressions .append(Expression::GlobalVariable(arg.handle), Default::default()); + ctx.local_expression_kind_tracker + .insert(pointer, crate::proc::ExpressionKind::Runtime); let ty = ctx.module.global_variables[arg.handle].ty; @@ -1307,6 +1313,8 @@ impl Frontend { let load = ctx .expressions .append(Expression::Load { pointer }, Default::default()); + ctx.local_expression_kind_tracker + .insert(load, crate::proc::ExpressionKind::Runtime); ctx.body.push( Statement::Emit(ctx.expressions.range_from(len)), Default::default(), @@ -1329,6 +1337,8 @@ impl Frontend { let res = ctx .expressions .append(Expression::Compose { ty, components }, Default::default()); + ctx.local_expression_kind_tracker + .insert(res, crate::proc::ExpressionKind::Runtime); ctx.body.push( Statement::Emit(ctx.expressions.range_from(len)), Default::default(), diff --git a/third_party/rust/naga/src/front/glsl/mod.rs b/third_party/rust/naga/src/front/glsl/mod.rs index 75f3929db4..ea202b2445 100644 --- a/third_party/rust/naga/src/front/glsl/mod.rs +++ b/third_party/rust/naga/src/front/glsl/mod.rs @@ -13,7 +13,7 @@ To begin, take a look at the documentation for the [`Frontend`]. */ pub use ast::{Precision, Profile}; -pub use error::{Error, ErrorKind, ExpectedToken, ParseError}; +pub use error::{Error, ErrorKind, ExpectedToken, ParseErrors}; pub use token::TokenValue; use crate::{proc::Layouter, FastHashMap, FastHashSet, Handle, Module, ShaderStage, Span, Type}; @@ -196,7 +196,7 @@ impl Frontend { &mut self, options: &Options, source: &str, - ) -> std::result::Result<Module, ParseError> { + ) -> std::result::Result<Module, ParseErrors> { self.reset(options.stage); let lexer = lex::Lexer::new(source, &options.defines); diff --git a/third_party/rust/naga/src/front/glsl/parser.rs b/third_party/rust/naga/src/front/glsl/parser.rs index 851d2e1d79..28e0808063 100644 --- a/third_party/rust/naga/src/front/glsl/parser.rs +++ b/third_party/rust/naga/src/front/glsl/parser.rs @@ -164,9 +164,15 @@ impl<'source> ParsingContext<'source> { pub fn parse(&mut self, frontend: &mut Frontend) -> Result<Module> { let mut module = Module::default(); + let mut global_expression_kind_tracker = crate::proc::ExpressionKindTracker::new(); // Body and expression arena for global initialization - let mut ctx = Context::new(frontend, &mut module, false)?; + let mut ctx = Context::new( + frontend, + &mut module, + false, + &mut global_expression_kind_tracker, + )?; while self.peek(frontend).is_some() { self.parse_external_declaration(frontend, &mut ctx)?; @@ -196,7 +202,11 @@ impl<'source> ParsingContext<'source> { frontend: &mut Frontend, ctx: &mut Context, ) -> Result<(u32, Span)> { - let (const_expr, meta) = self.parse_constant_expression(frontend, ctx.module)?; + let (const_expr, meta) = self.parse_constant_expression( + frontend, + ctx.module, + ctx.global_expression_kind_tracker, + )?; let res = ctx.module.to_ctx().eval_expr_to_u32(const_expr); @@ -219,8 +229,9 @@ impl<'source> ParsingContext<'source> { &mut self, frontend: &mut Frontend, module: &mut Module, + global_expression_kind_tracker: &mut crate::proc::ExpressionKindTracker, ) -> Result<(Handle<Expression>, Span)> { - let mut ctx = Context::new(frontend, module, true)?; + let mut ctx = Context::new(frontend, module, true, global_expression_kind_tracker)?; let mut stmt_ctx = ctx.stmt_ctx(); let expr = self.parse_conditional(frontend, &mut ctx, &mut stmt_ctx, None)?; diff --git a/third_party/rust/naga/src/front/glsl/parser/declarations.rs b/third_party/rust/naga/src/front/glsl/parser/declarations.rs index f5e38fb016..2d253a378d 100644 --- a/third_party/rust/naga/src/front/glsl/parser/declarations.rs +++ b/third_party/rust/naga/src/front/glsl/parser/declarations.rs @@ -251,7 +251,7 @@ impl<'source> ParsingContext<'source> { init.and_then(|expr| ctx.ctx.lift_up_const_expression(expr).ok()); late_initializer = None; } else if let Some(init) = init { - if ctx.is_inside_loop || !ctx.ctx.expression_constness.is_const(init) { + if ctx.is_inside_loop || !ctx.ctx.local_expression_kind_tracker.is_const(init) { decl_initializer = None; late_initializer = Some(init); } else { @@ -326,7 +326,12 @@ impl<'source> ParsingContext<'source> { let result = ty.map(|ty| FunctionResult { ty, binding: None }); - let mut context = Context::new(frontend, ctx.module, false)?; + let mut context = Context::new( + frontend, + ctx.module, + false, + ctx.global_expression_kind_tracker, + )?; self.parse_function_args(frontend, &mut context)?; diff --git a/third_party/rust/naga/src/front/glsl/parser/functions.rs b/third_party/rust/naga/src/front/glsl/parser/functions.rs index d428d74761..d0c889e4d3 100644 --- a/third_party/rust/naga/src/front/glsl/parser/functions.rs +++ b/third_party/rust/naga/src/front/glsl/parser/functions.rs @@ -192,10 +192,13 @@ impl<'source> ParsingContext<'source> { TokenValue::Case => { self.bump(frontend)?; - let (const_expr, meta) = - self.parse_constant_expression(frontend, ctx.module)?; + let (const_expr, meta) = self.parse_constant_expression( + frontend, + ctx.module, + ctx.global_expression_kind_tracker, + )?; - match ctx.module.const_expressions[const_expr] { + match ctx.module.global_expressions[const_expr] { Expression::Literal(Literal::I32(value)) => match uint { // This unchecked cast isn't good, but since // we only reach this code when the selector diff --git a/third_party/rust/naga/src/front/glsl/parser_tests.rs b/third_party/rust/naga/src/front/glsl/parser_tests.rs index 259052cd27..135765ca58 100644 --- a/third_party/rust/naga/src/front/glsl/parser_tests.rs +++ b/third_party/rust/naga/src/front/glsl/parser_tests.rs @@ -1,7 +1,7 @@ use super::{ ast::Profile, error::ExpectedToken, - error::{Error, ErrorKind, ParseError}, + error::{Error, ErrorKind, ParseErrors}, token::TokenValue, Frontend, Options, Span, }; @@ -21,7 +21,7 @@ fn version() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::InvalidVersion(99000), meta: Span::new(9, 14) @@ -37,7 +37,7 @@ fn version() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::InvalidVersion(449), meta: Span::new(9, 12) @@ -53,7 +53,7 @@ fn version() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::InvalidProfile("smart".into()), meta: Span::new(13, 18), @@ -69,7 +69,7 @@ fn version() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![ Error { kind: ErrorKind::PreprocessorError(PreprocessorError::UnexpectedHash,), @@ -455,7 +455,7 @@ fn functions() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::SemanticError("Function already defined".into()), meta: Span::new(134, 152), @@ -539,7 +539,7 @@ fn constants() { let mut types = module.types.iter(); let mut constants = module.constants.iter(); - let mut const_expressions = module.const_expressions.iter(); + let mut global_expressions = module.global_expressions.iter(); let (ty_handle, ty) = types.next().unwrap(); assert_eq!( @@ -550,14 +550,13 @@ fn constants() { } ); - let (init_handle, init) = const_expressions.next().unwrap(); + let (init_handle, init) = global_expressions.next().unwrap(); assert_eq!(init, &Expression::Literal(crate::Literal::F32(1.0))); assert_eq!( constants.next().unwrap().1, &Constant { name: Some("a".to_owned()), - r#override: crate::Override::None, ty: ty_handle, init: init_handle } @@ -567,7 +566,6 @@ fn constants() { constants.next().unwrap().1, &Constant { name: Some("b".to_owned()), - r#override: crate::Override::None, ty: ty_handle, init: init_handle } @@ -636,7 +634,7 @@ fn implicit_conversions() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::SemanticError("Unknown function \'test\'".into()), meta: Span::new(156, 165), @@ -660,7 +658,7 @@ fn implicit_conversions() { ) .err() .unwrap(), - ParseError { + ParseErrors { errors: vec![Error { kind: ErrorKind::SemanticError("Ambiguous best function for \'test\'".into()), meta: Span::new(158, 165), diff --git a/third_party/rust/naga/src/front/glsl/types.rs b/third_party/rust/naga/src/front/glsl/types.rs index e87d76fffc..f6836169c0 100644 --- a/third_party/rust/naga/src/front/glsl/types.rs +++ b/third_party/rust/naga/src/front/glsl/types.rs @@ -233,7 +233,7 @@ impl Context<'_> { }; let expressions = if self.is_const { - &self.module.const_expressions + &self.module.global_expressions } else { &self.expressions }; @@ -330,23 +330,25 @@ impl Context<'_> { expr: Handle<Expression>, ) -> Result<Handle<Expression>> { let meta = self.expressions.get_span(expr); - Ok(match self.expressions[expr] { + let h = match self.expressions[expr] { ref expr @ (Expression::Literal(_) | Expression::Constant(_) - | Expression::ZeroValue(_)) => self.module.const_expressions.append(expr.clone(), meta), + | Expression::ZeroValue(_)) => { + self.module.global_expressions.append(expr.clone(), meta) + } Expression::Compose { ty, ref components } => { let mut components = components.clone(); for component in &mut components { *component = self.lift_up_const_expression(*component)?; } self.module - .const_expressions + .global_expressions .append(Expression::Compose { ty, components }, meta) } Expression::Splat { size, value } => { let value = self.lift_up_const_expression(value)?; self.module - .const_expressions + .global_expressions .append(Expression::Splat { size, value }, meta) } _ => { @@ -355,6 +357,9 @@ impl Context<'_> { meta, }) } - }) + }; + self.global_expression_kind_tracker + .insert(h, crate::proc::ExpressionKind::Const); + Ok(h) } } diff --git a/third_party/rust/naga/src/front/glsl/variables.rs b/third_party/rust/naga/src/front/glsl/variables.rs index 9d2e7a0e7b..0725fbd94f 100644 --- a/third_party/rust/naga/src/front/glsl/variables.rs +++ b/third_party/rust/naga/src/front/glsl/variables.rs @@ -472,7 +472,6 @@ impl Frontend { let constant = Constant { name: name.clone(), - r#override: crate::Override::None, ty, init, }; |