vendor dependencies, make some changes to how input is done

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

@@ -0,0 +1,97 @@
+// Copyright 2018 The Ebiten 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 graphicsdriver
+
+import (
+	"fmt"
+	"image"
+
+	"github.com/hajimehoshi/ebiten/v2/internal/graphics"
+	"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
+)
+
+type DstRegion struct {
+	Region     image.Rectangle
+	IndexCount int
+}
+
+type FillRule int
+
+const (
+	FillAll FillRule = iota
+	NonZero
+	EvenOdd
+)
+
+func (f FillRule) String() string {
+	switch f {
+	case FillAll:
+		return "FillAll"
+	case NonZero:
+		return "NonZero"
+	case EvenOdd:
+		return "EvenOdd"
+	default:
+		return fmt.Sprintf("FillRule(%d)", f)
+	}
+}
+
+const (
+	InvalidImageID  = 0
+	InvalidShaderID = 0
+)
+
+type Graphics interface {
+	Initialize() error
+	Begin() error
+	End(present bool) error
+	SetTransparent(transparent bool)
+	SetVertices(vertices []float32, indices []uint32) error
+	NewImage(width, height int) (Image, error)
+	NewScreenFramebufferImage(width, height int) (Image, error)
+	SetVsyncEnabled(enabled bool)
+	NeedsClearingScreen() bool
+	MaxImageSize() int
+
+	NewShader(program *shaderir.Program) (Shader, error)
+
+	// DrawTriangles draws an image onto another image with the given parameters.
+	DrawTriangles(dst ImageID, srcs [graphics.ShaderImageCount]ImageID, shader ShaderID, dstRegions []DstRegion, indexOffset int, blend Blend, uniforms []uint32, fillRule FillRule) error
+}
+
+type Resetter interface {
+	Reset() error
+}
+
+type Image interface {
+	ID() ImageID
+	Dispose()
+	ReadPixels(args []PixelsArgs) error
+	WritePixels(args []PixelsArgs) error
+}
+
+type ImageID int
+
+type PixelsArgs struct {
+	Pixels []byte
+	Region image.Rectangle
+}
+
+type Shader interface {
+	ID() ShaderID
+	Dispose()
+}
+
+type ShaderID int