ebiten/examples/shaderprecomp/register_windows.go
2024-05-06 16:03:57 +09:00

66 lines
1.8 KiB
Go

// Copyright 2024 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"embed"
"errors"
"fmt"
"io/fs"
"os"
"github.com/hajimehoshi/ebiten/v2/shaderprecomp"
)
// https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/
//go:embed fxc/*.fxc
var fxcs embed.FS
func registerPrecompiledShaders() error {
srcs := shaderprecomp.AppendBuildinShaderSources(nil)
defaultShaderSource, err := shaderprecomp.NewShaderSource(defaultShaderSourceBytes)
if err != nil {
return err
}
srcs = append(srcs, defaultShaderSource)
for _, src := range srcs {
vsname := src.ID().String() + "_vs.fxc"
vs, err := fxcs.ReadFile("fxc/" + vsname)
if err != nil {
if errors.Is(err, fs.ErrNotExist) {
fmt.Fprintf(os.Stderr, "precompiled HLSL library %s was not found. Run 'go generate' for 'fxc' directory to generate them.\n", vsname)
continue
}
return err
}
psname := src.ID().String() + "_ps.fxc"
ps, err := fxcs.ReadFile("fxc/" + psname)
if err != nil {
if errors.Is(err, fs.ErrNotExist) {
fmt.Fprintf(os.Stderr, "precompiled HLSL library %s was not found. Run 'go generate' for 'fxc' directory to generate them.\n", psname)
continue
}
return err
}
shaderprecomp.RegisterFXCs(src, vs, ps)
}
return nil
}