all: reduce files for PS5

internal/graphicsdriver/playstation5/graphics_playstation5.go

@@ -99,7 +99,7 @@ func (g *Graphics) SetVsyncEnabled(enabled bool) {
 }
 
 func (g *Graphics) NeedsClearingScreen() bool {
-	return false
+	return true
 }
 
 func (g *Graphics) MaxImageSize() int {

internal/graphicsdriver/playstation5/shader_paystation5.go

@@ -1,23 +0,0 @@
-// 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
-
-// This is a separated pure Go file so that the `shaderprecomp` package can use this without Cgo.
-
-package playstation5
-
-func RegisterPrecompiledShaders(source []byte, vertex, pixel []byte) {
-	// TODO: Implement this.
-}

shaderprecomp/shaderprecomp_playstation5.go

@@ -20,7 +20,6 @@ import (
 	"io"
 
 	"github.com/hajimehoshi/ebiten/v2/internal/graphics"
-	"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/playstation5"
 	"github.com/hajimehoshi/ebiten/v2/internal/shaderir/pssl"
 )
 
@@ -41,10 +40,3 @@ func CompileToPSSL(vertexWriter, pixelWriter io.Writer, source *ShaderSource) er
 	}
 	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(source.source, vertexShader, pixelShader)
-}