mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 19:58:54 +01:00
1354 lines
30 KiB
Go
1354 lines
30 KiB
Go
// Copyright 2022 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shader_test
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import (
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"fmt"
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"go/parser"
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"go/token"
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"testing"
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"github.com/hajimehoshi/ebiten/v2/internal/shader"
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"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
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)
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func compileToIR(src []byte) (*shaderir.Program, error) {
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fset := token.NewFileSet()
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f, err := parser.ParseFile(fset, "", src, parser.AllErrors)
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if err != nil {
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return nil, err
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}
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ir, err := shader.Compile(fset, f, "Vertex", "Fragment", 0)
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if err != nil {
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return nil, err
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}
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return ir, nil
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}
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func TestSyntaxShadowing(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var position vec4
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return position
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxDuplicatedVariables(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var foo vec4
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var foo vec4
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return foo
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var foo, foo vec4
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return foo
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var foo vec4
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foo := vec4(0)
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return foo
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (vec4, vec4) {
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return vec4(0), vec4(0)
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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foo, foo := Foo()
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return foo
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxDuplicatedFunctions(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Foo() {
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}
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func Foo() {
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxNoNewVariables(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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_ := 1
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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_, _ := 1, 1
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (int, int) {
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return 1, 1
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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_, _ := Foo()
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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a, _ := 1, 1
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_ = a
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return vec4(0)
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}
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`)); err != nil {
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t.Error(err)
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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_, a := 1, 1
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_ = a
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return vec4(0)
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}
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`)); err != nil {
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t.Error(err)
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}
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}
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func TestSyntaxWrongReturn(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return 0.0
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (float, float) {
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return 0
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() float {
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxMultipleValueReturn(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Foo() (float, float) {
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return 0.0
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() float {
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return 0.0, 0.0
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (float, float, float) {
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return 0.0, 0.0
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (float, float) {
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return 0.0, 0.0
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}
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func Foo2() (float, float, float) {
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return Foo()
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Foo() (float, float, float) {
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return 0.0, 0.0, 0.0
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}
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func Foo2() (float, float, float) {
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return Foo()
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0.0)
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}
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`)); err != nil {
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t.Error(err)
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}
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}
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func TestSyntaxInit(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func init() {
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}
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxUnspportedSyntax(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := func() {
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}
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_ = x
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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go func() {
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}()
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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ch := make(chan int)
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_ = ch
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := 1i
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_ = x
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var x [4]float
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y := x[1:2]
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_ = y
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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var x [4]float
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y := x[1:2:3]
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_ = y
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxForbidAssigningSpecialVariables(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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var U vec4
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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U = vec4(0)
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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var U vec4
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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U.x = 0
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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var U [2]vec4
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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U[0] = vec4(0)
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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texCoord = vec2(0)
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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texCoord.x = 0
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
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}
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func TestSyntaxBoolLiteral(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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true := vec4(0)
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return true
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}
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`)); err != nil {
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t.Errorf("error must be nil but was non-nil")
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}
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}
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func TestSyntaxUnusedVariable(t *testing.T) {
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := 0
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
|
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if _, err := compileToIR([]byte(`package main
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := 0
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x = 1
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return vec4(0)
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}
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`)); err == nil {
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t.Errorf("error must be non-nil but was nil")
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}
|
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|
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if _, err := compileToIR([]byte(`package main
|
|
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := vec4(0)
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x.x = 1
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return vec4(0)
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}
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`)); err != nil {
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t.Error(err)
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}
|
|
|
|
// Increment statement treats a variable 'used'.
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// https://play.golang.org/p/2RuYMrSLjt3
|
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if _, err := compileToIR([]byte(`package main
|
|
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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x := 0
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x++
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return vec4(0)
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}
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`)); err != nil {
|
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t.Error(err)
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}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
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var a int
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return vec4(0)
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}
|
|
`)); err == nil {
|
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t.Errorf("error must be non-nil but was nil")
|
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}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
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var a, b int
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
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t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
func TestSyntaxBlankLhs(t *testing.T) {
|
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if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
x := _
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_ = x
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x int = _
|
|
_ = x
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
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x := 1
|
|
x = _
|
|
_ = x
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
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x := 1 + _
|
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_ = x
|
|
return vec4(0)
|
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}
|
|
`)); err == nil {
|
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t.Errorf("error must be non-nil but was nil")
|
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}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
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_++
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
_ += 1
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
_.x = 1
|
|
return vec4(0)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
func TestSyntaxDuplicatedVarsAndConstants(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var a = 0
|
|
const a = 0
|
|
return vec4(a)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
const a = 0
|
|
var a = 0
|
|
return vec4(a)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
const a = 0
|
|
const a = 0
|
|
return vec4(a)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
const U0 = 0
|
|
var U0 float
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return vec4(a)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
var U0 float
|
|
const U0 = 0
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return vec4(a)
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
func TestSyntaxUnmatchedArgs(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo() {
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(1)
|
|
return position
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x float) {
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo()
|
|
return position
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x, y float) {
|
|
}
|
|
|
|
func Bar() (float, float, float) {
|
|
return 0, 1
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(Bar())
|
|
return position
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x, y, z float) {
|
|
}
|
|
|
|
func Bar() (float, float) {
|
|
return 0, 1
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(Bar())
|
|
return position
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #1898
|
|
func TestSyntaxMeaninglessSentence(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
var Time float
|
|
var ScreenSize vec2
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
position
|
|
return position
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
var Time float
|
|
var ScreenSize vec2
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
vec2(position)
|
|
return position
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #1947
|
|
func TestSyntaxOperatorMod(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2.0 % 0.5
|
|
return vec4(a)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := int(2) % 0.5
|
|
return vec4(a)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := int(2) % 1.0
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2.0
|
|
b := 0.5
|
|
return vec4(a % b)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
b := 0.5
|
|
return vec4(a % b)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2.5
|
|
b := 1
|
|
return vec4(a % b)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
b := 1
|
|
return vec4(a % b)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
return vec4(a % 1)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1
|
|
return vec4(2 % a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
a %= 1
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
a %= 1.0
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2
|
|
a %= 0.5
|
|
return vec4(a)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 2.0
|
|
a %= 1
|
|
return vec4(a)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
func TestSyntaxOperatorAssign(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1.0
|
|
a += 2
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1.0
|
|
a += 2.0
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1.0
|
|
a += 2.1
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1
|
|
a += 2
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1
|
|
a += 2.0
|
|
return vec4(a)
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := 1
|
|
a += 2.1
|
|
return vec4(a)
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #1963
|
|
func TestSyntaxOperatorVecAndNumber(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1) + 2
|
|
return a.xxyy
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1) + 2.1
|
|
return a.xxyy
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1) % 2
|
|
return a.xxyy
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1) % 2.1
|
|
return a.xxyy
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1)
|
|
a += 2
|
|
return a.xxyy
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1)
|
|
a += 2.1
|
|
return a.xxyy
|
|
}`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1)
|
|
a %= 2
|
|
return a.xxyy
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
a := vec2(1)
|
|
a %= 2.1
|
|
return a.xxyy
|
|
}`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #1971
|
|
func TestSyntaxOperatorMultiply(t *testing.T) {
|
|
// Note: mat + float is allowed in GLSL but not in Metal.
|
|
|
|
cases := []struct {
|
|
stmt string
|
|
err bool
|
|
}{
|
|
{stmt: "a := 1 * vec2(2); _ = a", err: false},
|
|
{stmt: "a := int(1) * vec2(2); _ = a", err: true},
|
|
{stmt: "a := 1.0 * vec2(2); _ = a", err: false},
|
|
{stmt: "a := 1 + vec2(2); _ = a", err: false},
|
|
{stmt: "a := int(1) + vec2(2); _ = a", err: true},
|
|
{stmt: "a := 1.0 / vec2(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 + vec2(2); _ = a", err: false},
|
|
{stmt: "a := 1 * vec3(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 * vec3(2); _ = a", err: false},
|
|
{stmt: "a := 1 * vec4(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 * vec4(2); _ = a", err: false},
|
|
{stmt: "a := 1 * mat2(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 * mat2(2); _ = a", err: false},
|
|
{stmt: "a := float(1.0) / mat2(2); _ = a", err: true},
|
|
{stmt: "a := 1.0 / mat2(2); _ = a", err: true},
|
|
{stmt: "a := float(1.0) + mat2(2); _ = a", err: true},
|
|
{stmt: "a := 1.0 + mat2(2); _ = a", err: true},
|
|
{stmt: "a := 1 * mat3(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 * mat3(2); _ = a", err: false},
|
|
{stmt: "a := 1 * mat4(2); _ = a", err: false},
|
|
{stmt: "a := 1.0 * mat4(2); _ = a", err: false},
|
|
{stmt: "a := vec2(1) * 2; _ = a", err: false},
|
|
{stmt: "a := vec2(1) * 2.0; _ = a", err: false},
|
|
{stmt: "a := vec2(1) / 2.0; _ = a", err: false},
|
|
{stmt: "a := vec2(1) + 2.0; _ = a", err: false},
|
|
{stmt: "a := vec2(1) * int(2); _ = a", err: true},
|
|
{stmt: "a := vec2(1) * vec2(2); _ = a", err: false},
|
|
{stmt: "a := vec2(1) + vec2(2); _ = a", err: false},
|
|
{stmt: "a := vec2(1) * vec3(2); _ = a", err: true},
|
|
{stmt: "a := vec2(1) * vec4(2); _ = a", err: true},
|
|
{stmt: "a := vec2(1) * mat2(2); _ = a", err: false},
|
|
{stmt: "a := vec2(1) + mat2(2); _ = a", err: true},
|
|
{stmt: "a := vec2(1) * mat3(2); _ = a", err: true},
|
|
{stmt: "a := vec2(1) * mat4(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * 2; _ = a", err: false},
|
|
{stmt: "a := mat2(1) * 2.0; _ = a", err: false},
|
|
{stmt: "a := mat2(1) / 2.0; _ = a", err: false},
|
|
{stmt: "a := mat2(1) / float(2); _ = a", err: false},
|
|
{stmt: "a := mat2(1) * int(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) + 2.0; _ = a", err: true},
|
|
{stmt: "a := mat2(1) + float(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * vec2(2); _ = a", err: false},
|
|
{stmt: "a := mat2(1) + vec2(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * vec3(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * vec4(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * mat2(2); _ = a", err: false},
|
|
{stmt: "a := mat2(1) / mat2(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * mat3(2); _ = a", err: true},
|
|
{stmt: "a := mat2(1) * mat4(2); _ = a", err: true},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
_, err := compileToIR([]byte(fmt.Sprintf(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
%s
|
|
return position
|
|
}`, c.stmt)))
|
|
if err == nil && c.err {
|
|
t.Errorf("%s must return an error but does not", c.stmt)
|
|
} else if err != nil && !c.err {
|
|
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Issue #1971
|
|
func TestSyntaxOperatorMultiplyAssign(t *testing.T) {
|
|
cases := []struct {
|
|
stmt string
|
|
err bool
|
|
}{
|
|
{stmt: "a := 1.0; a *= 2", err: false},
|
|
{stmt: "a := 1.0; a *= 2.0", err: false},
|
|
{stmt: "a := 1.0; a *= int(2)", err: true},
|
|
{stmt: "a := 1.0; a *= vec2(2)", err: true},
|
|
{stmt: "a := 1.0; a *= vec3(2)", err: true},
|
|
{stmt: "a := 1.0; a *= vec4(2)", err: true},
|
|
{stmt: "a := 1.0; a *= mat2(2)", err: true},
|
|
{stmt: "a := 1.0; a *= mat3(2)", err: true},
|
|
{stmt: "a := 1.0; a *= mat4(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= 2", err: false},
|
|
{stmt: "a := vec2(1); a *= 2.0", err: false},
|
|
{stmt: "a := vec2(1); a /= 2.0", err: false},
|
|
{stmt: "a := vec2(1); a += 2.0", err: false},
|
|
{stmt: "a := vec2(1); a *= int(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= float(2)", err: false},
|
|
{stmt: "a := vec2(1); a /= float(2)", err: false},
|
|
{stmt: "a := vec2(1); a *= vec2(2)", err: false},
|
|
{stmt: "a := vec2(1); a += vec2(2)", err: false},
|
|
{stmt: "a := vec2(1); a *= vec3(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= vec4(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= mat2(2)", err: false},
|
|
{stmt: "a := vec2(1); a += mat2(2)", err: true},
|
|
{stmt: "a := vec2(1); a /= mat2(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= mat3(2)", err: true},
|
|
{stmt: "a := vec2(1); a *= mat4(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= 2", err: false},
|
|
{stmt: "a := mat2(1); a *= 2.0", err: false},
|
|
{stmt: "a := mat2(1); a /= 2.0", err: false},
|
|
{stmt: "a := mat2(1); a += 2.0", err: true},
|
|
{stmt: "a := mat2(1); a *= int(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= float(2)", err: false},
|
|
{stmt: "a := mat2(1); a /= float(2)", err: false},
|
|
{stmt: "a := mat2(1); a *= vec2(2)", err: true},
|
|
{stmt: "a := mat2(1); a += vec2(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= vec3(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= vec4(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= mat2(2)", err: false},
|
|
{stmt: "a := mat2(1); a += mat2(2)", err: false},
|
|
{stmt: "a := mat2(1); a /= mat2(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= mat3(2)", err: true},
|
|
{stmt: "a := mat2(1); a *= mat4(2)", err: true},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
_, err := compileToIR([]byte(fmt.Sprintf(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
%s
|
|
return position
|
|
}`, c.stmt)))
|
|
if err == nil && c.err {
|
|
t.Errorf("%s must return an error but does not", c.stmt)
|
|
} else if err != nil && !c.err {
|
|
t.Errorf("%s must not return nil but returned %v", c.stmt, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSyntaxAtan(t *testing.T) {
|
|
// `atan` takes 1 argument.
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return atan(vec4(0))
|
|
}
|
|
`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return atan(vec4(0), vec4(0))
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
// `atan2` takes 2 arguments.
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return atan2(vec4(0))
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
return atan2(vec4(0), vec4(0))
|
|
}
|
|
`)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// Issue #1972
|
|
func TestSyntaxType(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x vec2 = vec3(0)
|
|
_ = x
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x, y vec2 = vec2(0), vec3(0)
|
|
_, _ = x, y
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x vec2
|
|
x = vec3(0)
|
|
_ = x
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x, y vec2
|
|
x, y = vec2(0), vec3(0)
|
|
_ = x
|
|
_ = y
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x vec2
|
|
x = 0
|
|
_ = x
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo() (vec3, vec3) {
|
|
return vec3(0), vec3(1)
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x, y vec2 = Foo()
|
|
_ = x
|
|
_ = y
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo() (vec3, vec3) {
|
|
return vec3(0), vec3(1)
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var x, y vec2
|
|
x, y = Foo()
|
|
_ = x
|
|
_ = y
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #1972
|
|
func TestSyntaxTypeBlankVar(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var _ vec2 = vec3(0)
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var _, _ vec2 = vec2(0), vec3(0)
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo() (vec3, vec3) {
|
|
return vec3(0), vec3(1)
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
var _, _ vec2 = Foo()
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|
|
|
|
// Issue #2032
|
|
func TestSyntaxTypeFuncCall(t *testing.T) {
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x vec2) {
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(0)
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x vec2, y vec3) {
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(0, 1)
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
if _, err := compileToIR([]byte(`package main
|
|
|
|
func Foo(x vec2, y vec3) {
|
|
}
|
|
|
|
func Bar() (int, int) {
|
|
return 0, 1
|
|
}
|
|
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
|
Foo(Bar())
|
|
return color
|
|
}
|
|
`)); err == nil {
|
|
t.Errorf("error must be non-nil but was nil")
|
|
}
|
|
}
|