vendor dependencies, make some changes to how input is done

vendor/github.com/hajimehoshi/ebiten/v2/graphics.go

@@ -0,0 +1,74 @@
+// Copyright 2014 Hajime Hoshi
+//
+// 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 ebiten
+
+import (
+	"github.com/hajimehoshi/ebiten/v2/internal/builtinshader"
+	"github.com/hajimehoshi/ebiten/v2/internal/ui"
+)
+
+// Filter represents the type of texture filter to be used when an image is magnified or minified.
+type Filter int
+
+const (
+	// FilterNearest represents nearest (crisp-edged) filter
+	FilterNearest Filter = Filter(builtinshader.FilterNearest)
+
+	// FilterLinear represents linear filter
+	FilterLinear Filter = Filter(builtinshader.FilterLinear)
+)
+
+// GraphicsLibrary represents graphics libraries supported by the engine.
+type GraphicsLibrary int
+
+const (
+	// GraphicsLibraryAuto represents the automatic choose of graphics library by Ebitengine.
+	GraphicsLibraryAuto GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryAuto)
+
+	// GraphicsLibraryUnknown represents the state at which graphics library cannot be determined,
+	// e.g. hasn't loaded yet or failed to initialize.
+	GraphicsLibraryUnknown GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryUnknown)
+
+	// GraphicsLibraryOpenGL represents the graphics library OpenGL.
+	GraphicsLibraryOpenGL GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryOpenGL)
+
+	// GraphicsLibraryDirectX represents the graphics library Microsoft DirectX.
+	GraphicsLibraryDirectX GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryDirectX)
+
+	// GraphicsLibraryMetal represents the graphics library Apple's Metal.
+	GraphicsLibraryMetal GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryMetal)
+
+	// GraphicsLibraryMetal represents the graphics library PlayStation 5.
+	GraphicsLibraryPlayStation5 GraphicsLibrary = GraphicsLibrary(ui.GraphicsLibraryPlayStation5)
+)
+
+// String returns a string representing the graphics library.
+func (g GraphicsLibrary) String() string {
+	return ui.GraphicsLibrary(g).String()
+}
+
+// Ensures GraphicsLibraryAuto is zero (the default value for RunOptions).
+var _ [GraphicsLibraryAuto]int = [0]int{}
+
+// DebugInfo is a struct to store debug info about the graphics.
+type DebugInfo struct {
+	// GraphicsLibrary represents the graphics library currently in use.
+	GraphicsLibrary GraphicsLibrary
+}
+
+// ReadDebugInfo writes debug info (e.g. current graphics library) into a provided struct.
+func ReadDebugInfo(d *DebugInfo) {
+	d.GraphicsLibrary = GraphicsLibrary(ui.Get().GraphicsLibrary())
+}