shaderprecomp: add pssl

internal/graphicsdriver/playstation5/graphics_playstation5.go

@@ -153,3 +153,7 @@ func (s *Shader) ID() graphicsdriver.ShaderID {
 func (s *Shader) Dispose() {
 	C.ebitengine_DisposeShader(C.int(s.id))
 }
+
+func RegisterPrecompiledShaders(hash shaderir.SourceHash, vertex, pixel []byte) {
+	// TODO: Implement this.
+}

internal/shaderir/pssl/pssl.go

@@ -15,3 +15,11 @@
 // The actual implementation will be provided by -overlay.
 
 package pssl
+
+import (
+	"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
+)
+
+func Compile(p *shaderir.Program) (vertexShader, pixelShader string) {
+	panic("not implemented")
+}

shaderprecomp/shaderprecomp_darwin.go

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:build !playstation5
+
 package shaderprecomp
 
 import (

shaderprecomp/shaderprecomp_playstation5.go

@@ -0,0 +1,51 @@
+// 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.
+
+//go:build playstation5
+
+package shaderprecomp
+
+import (
+	"io"
+
+	"github.com/hajimehoshi/ebiten/v2/internal/graphics"
+	"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/playstation5"
+	"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
+	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/pssl"
+)
+
+// CompileToPSSL compiles the shader source to PlayStaton Shader Language to writers.
+//
+// CompileToPSSL is concurrent-safe.
+func CompileToPSSL(vertexWriter, pixelWriter io.Writer, source *ShaderSource) error {
+	ir, err := graphics.CompileShader(source.source)
+	if err != nil {
+		return err
+	}
+	vs, ps := pssl.Compile(ir)
+	if _, err = vertexWriter.Write([]byte(vs)); err != nil {
+		return err
+	}
+	if _, err = pixelWriter.Write([]byte(ps)); err != nil {
+		return err
+	}
+	return nil
+}
+
+// RegisterPlayStationShaders registers a precompiled PlayStation Shader for a shader source.
+//
+// RegisterPlayStationShaders is concurrent-safe.
+func RegisterPlayStationShaders(source *ShaderSource, vertexShader, pixelShader []byte) {
+	playstation5.RegisterPrecompiledShaders(shaderir.SourceHash(source.ID()), vertexShader, pixelShader)
+}

shaderprecomp/shaderprecomp_windows.go

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:build !playstation5
+
 package shaderprecomp
 
 import (