Revert "internal/shaderlister: compile shaders"

This reverts commit 848e30e0e7.

Reason: test failures

internal/shaderlister/main.go

@@ -30,16 +30,8 @@ import (
 
 	"golang.org/x/tools/go/ast/inspector"
 	"golang.org/x/tools/go/packages"
-
-	"github.com/hajimehoshi/ebiten/v2/internal/graphics"
-	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/glsl"
-	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/hlsl"
-	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/msl"
-	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/pssl"
 )
 
-var flagTarget = flag.String("target", "", "shader compilation targets separated by comma (e.g. 'glsl,glsles,hlsl,msl')")
-
 func main() {
 	if err := xmain(); err != nil {
 		fmt.Fprintln(os.Stderr, err)
@@ -51,40 +43,11 @@ type Shader struct {
 	Package string
 	File    string
 	Source  string
-	GLSL    *GLSL   `json:",omitempty"`
-	GLSLES  *GLSLES `json:",omitempty"`
-	HLSL    *HLSL   `json:",omitempty"`
-	MSL     *MSL    `json:",omitempty"`
-	PSSL    *PSSL   `json:",omitempty"`
-}
-
-type GLSL struct {
-	Vertex   string
-	Fragment string
-}
-
-type GLSLES struct {
-	Vertex   string
-	Fragment string
-}
-
-type HLSL struct {
-	Vertex string
-	Pixel  string
-}
-
-type MSL struct {
-	Shader string
-}
-
-type PSSL struct {
-	Vertex string
-	Pixel  string
 }
 
 func xmain() error {
 	flag.Usage = func() {
-		fmt.Fprintln(os.Stderr, "shaderlister [-target=TARGET] [package]")
+		fmt.Fprintln(os.Stderr, "shaderlister [package]")
 		os.Exit(2)
 	}
 	flag.Parse()
@@ -99,16 +62,10 @@ func xmain() error {
 		return err
 	}
 
-	targets := strings.Split(*flagTarget, ",")
-	for i := range targets {
-		targets[i] = strings.TrimSpace(targets[i])
-	}
-
 	// Collect shader information.
 	// Even if no shader is found, the output should be a JSON array. Start with an empty slice, not nil.
 	shaders := []Shader{}
 
-	var visitErr error
 	packages.Visit(pkgs, func(pkg *packages.Package) bool {
 		path := pkg.PkgPath
 		// A standard library should not have a directive for shaders. Skip them.
@@ -119,61 +76,9 @@ func xmain() error {
 		if strings.HasPrefix(path, "golang.org/x/") {
 			return true
 		}
-
-		origN := len(shaders)
 		shaders = appendShaderSources(shaders, pkg)
-
-		// Compile shaders.
-		for i, shader := range shaders[origN:] {
-			ir, err := graphics.CompileShader([]byte(shader.Source))
-			if err != nil {
-				visitErr = fmt.Errorf("compiling shader failed: %w", err)
-				return false
-			}
-
-			for _, target := range targets {
-				switch target {
-				case "glsl":
-					vs, fs := glsl.Compile(ir, glsl.GLSLVersionDefault)
-					shaders[origN+i].GLSL = &GLSL{
-						Vertex:   vs,
-						Fragment: fs,
-					}
-				case "glsles":
-					vs, fs := glsl.Compile(ir, glsl.GLSLVersionES300)
-					shaders[origN+i].GLSLES = &GLSLES{
-						Vertex:   vs,
-						Fragment: fs,
-					}
-				case "hlsl":
-					vs, ps, _ := hlsl.Compile(ir)
-					shaders[origN+i].HLSL = &HLSL{
-						Vertex: vs,
-						Pixel:  ps,
-					}
-				case "msl":
-					s := msl.Compile(ir)
-					shaders[origN+i].MSL = &MSL{
-						Shader: s,
-					}
-				case "pssl":
-					vs, ps := pssl.Compile(ir)
-					shaders[origN+i].PSSL = &PSSL{
-						Vertex: vs,
-						Pixel:  ps,
-					}
-				default:
-					visitErr = fmt.Errorf("unsupported target: %s", target)
-					return false
-				}
-			}
-		}
-
 		return true
 	}, nil)
-	if visitErr != nil {
-		return visitErr
-	}
 
 	w := bufio.NewWriter(os.Stdout)
 	enc := json.NewEncoder(w)