mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
// Copyright 2023 The Ebitengine 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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//go:build ignore
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package main
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import (
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"fmt"
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"os"
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"reflect"
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"strings"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl/gl"
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)
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func main() {
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if err := run(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func run() error {
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f, err := os.Create("debug.go")
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if err != nil {
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return err
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}
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defer f.Close()
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if _, err := f.WriteString(`// Copyright 2023 The Ebitengine 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 gl
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import (
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"fmt"
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"os"
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)
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type DebugContext struct {
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Context Context
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}
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var _ Context = (*DebugContext)(nil)
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`); err != nil {
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return err
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}
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t := reflect.TypeOf((*gl.Context)(nil)).Elem()
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for i := 0; i < t.NumMethod(); i++ {
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m := t.Method(i)
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name := m.Name
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var argNames []string
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var argNamesAndTypes []string
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for j := 0; j < m.Type.NumIn(); j++ {
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n := fmt.Sprintf("arg%d", j)
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argNames = append(argNames, n)
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argNamesAndTypes = append(argNamesAndTypes, n+" "+typeName(m.Type.In(j)))
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}
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var outTypes []string
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var outNames []string
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for j := 0; j < m.Type.NumOut(); j++ {
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outTypes = append(outTypes, typeName(m.Type.Out(j)))
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outNames = append(outNames, fmt.Sprintf("out%d", j))
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}
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if _, err := fmt.Fprintf(f, "\nfunc (d *DebugContext) %s(%s) (%s) {\n", name, strings.Join(argNamesAndTypes, ", "), strings.Join(outTypes, ",")); err != nil {
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return err
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}
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if len(outTypes) > 0 {
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if _, err := fmt.Fprintf(f, "\t%s := ", strings.Join(outNames, ", ")); err != nil {
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return err
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}
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} else {
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if _, err := fmt.Fprintf(f, "\t"); err != nil {
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return err
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}
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}
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if _, err := fmt.Fprintf(f, "d.Context.%s(%s)\n", name, strings.Join(argNames, ", ")); err != nil {
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return err
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}
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// Print logs.
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if name != "LoadFunctions" && name != "IsES" {
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if _, err := fmt.Fprintf(f, "\tfmt.Fprintln(os.Stderr, %q)\n", name); err != nil {
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return err
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}
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}
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// Check errors.
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if name != "LoadFunctions" && name != "IsES" && name != "GetError" {
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if _, err := fmt.Fprintf(f, ` if e := d.Context.GetError(); e != NO_ERROR {
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panic(fmt.Sprintf("gl: GetError() returned %%d at %s", e))
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}
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`, name); err != nil {
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return err
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}
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}
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if len(outTypes) > 0 {
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if _, err := fmt.Fprintf(f, "\treturn %s\n", strings.Join(outNames, ", ")); err != nil {
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return err
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}
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}
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if _, err := fmt.Fprintf(f, "}\n"); err != nil {
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return err
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}
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}
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return nil
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}
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func typeName(t reflect.Type) string {
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if t.Kind() == reflect.Slice {
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return "[]" + typeName(t.Elem())
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}
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return t.Name()
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}
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