Add example/mobile (not-compilable yet)

examples/mobile/main.go

@@ -0,0 +1,57 @@
+// Copyright 2016 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 main
+
+import (
+	_ "image/jpeg"
+	"log"
+	"math"
+
+	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/examples/common"
+	"github.com/hajimehoshi/ebiten/mobile"
+)
+
+const (
+	screenWidth  = 320
+	screenHeight = 240
+)
+
+var (
+	count        int
+	gophersImage *ebiten.Image
+)
+
+func update(screen *ebiten.Image) error {
+	count++
+	w, h := gophersImage.Size()
+	op := &ebiten.DrawImageOptions{}
+	op.GeoM.Translate(-float64(w)/2, -float64(h)/2)
+	op.GeoM.Rotate(float64(count%360) * 2 * math.Pi / 360)
+	op.GeoM.Translate(screenWidth/2, screenHeight/2)
+	if err := screen.DrawImage(gophersImage, op); err != nil {
+		return err
+	}
+	return nil
+}
+
+func main() {
+	var err error
+	gophersImage, _, err = common.AssetImage("gophers.jpg", ebiten.FilterNearest)
+	if err != nil {
+		log.Fatal(err)
+	}
+	mobile.Start(update, screenWidth, screenHeight, 2, "Mobile (Ebiten Demo)")
+}

genkeys.go

@@ -22,12 +22,13 @@
 package main
 
 import (
-	"github.com/hajimehoshi/ebiten/internal"
 	"log"
 	"os"
 	"sort"
 	"strconv"
 	"text/template"
+
+	"github.com/hajimehoshi/ebiten/internal"
 )
 
 var keyCodeToName map[int]string
@@ -263,7 +264,7 @@ func main() {
 		buildTag := ""
 		switch path {
 		case "internal/ui/keys_glfw.go":
-			buildTag = "// +build !js"
+			buildTag = "// +build !js\n// +build !android"
 		case "internal/ui/keys_js.go":
 			buildTag = "// +build js"
 		}

internal/graphics/opengl/context_desktop.go

@@ -14,6 +14,7 @@
 
 // +build darwin linux windows
 // +build !js
+// +build !android
 
 package opengl
 

internal/graphics/opengl/context_mobile.go

@@ -300,6 +300,11 @@ func (c *Context) DisableVertexAttribArray(p Program, location string) {
 	gl.DisableVertexAttribArray(mgl.Attrib(l))
 }
 
+func (c *Context) DeleteProgram(p Program) {
+	gl := c.gl
+	gl.DeleteProgram(mgl.Program(p))
+}
+
 func uint16ToBytes(v []uint16) []byte {
 	b := make([]byte, len(v)*2)
 	for i, x := range v {
@@ -344,6 +349,11 @@ func (c *Context) BufferSubData(bufferType BufferType, data []int16) {
 	gl.BufferSubData(mgl.Enum(bufferType), 0, int16ToBytes(data))
 }
 
+func (c *Context) DeleteBuffer(b Buffer) {
+	gl := c.gl
+	gl.DeleteBuffer(mgl.Buffer(b))
+}
+
 func (c *Context) DrawElements(mode Mode, len int) {
 	gl := c.gl
 	gl.DrawElements(mgl.Enum(mode), len, mgl.UNSIGNED_SHORT, 0)

internal/ui/input_glfw.go

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 // +build !js
+// +build !android
 
 package ui
 

internal/ui/input_mobile.go

@@ -0,0 +1,17 @@
+// Copyright 2016 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.
+
+// +build android
+
+package ui

internal/ui/keys_glfw.go

@@ -15,6 +15,7 @@
 // DO NOT EDIT: This file is auto-generated by genkeys.go.
 
 // +build !js
+// +build !android
 
 package ui
 

internal/ui/ui_glfw.go

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 // +build !js
+// +build !android
 
 package ui
 

internal/ui/ui_mobile.go

@@ -0,0 +1,65 @@
+// Copyright 2016 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.
+
+// +build android
+
+package ui
+
+import (
+	"github.com/hajimehoshi/ebiten/internal/graphics/opengl"
+)
+
+func initialize() (*opengl.Context, error) {
+	// TODO: Implement
+	return nil, nil
+}
+
+func Main() error {
+	return nil
+}
+
+type UserInterface struct {
+}
+
+func CurrentUI() *UserInterface {
+	return nil
+}
+
+func (u *UserInterface) Start(width, height, scale int, title string) error {
+	return nil
+}
+
+func (u *UserInterface) Terminate() error {
+	return nil
+}
+
+func (u *UserInterface) Update() (interface{}, error) {
+	return nil, nil
+}
+
+func (u *UserInterface) SwapBuffers() error {
+	return nil
+}
+
+func (u *UserInterface) SetScreenSize(width, height int) bool {
+	return false
+}
+
+func (u *UserInterface) SetScreenScale(scale int) bool {
+	return false
+}
+
+func (u *UserInterface) ScreenScale() int {
+	return 1
+}

mobile/run.go

@@ -15,7 +15,10 @@
 package mobile
 
 import (
+	"runtime"
+
 	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/internal/ui"
 )
 
 var chError <-chan error
@@ -38,13 +41,20 @@ func LastErrorString() string {
 }
 
 func SetScreenSize(width, height int) {
-	// TODO: Implement this
+	ui.CurrentUI().SetScreenSize(width, height)
 }
 
 func SetScreenScale(scale int) {
-	// TODO: Implement this
+	ui.CurrentUI().SetScreenScale(scale)
 }
 
 func Render() {
+	runtime.LockOSThread()
 	// TODO: Implement this
+	/*select {
+	case <-workAvailable:
+		DoWork()
+	case <-done:
+		return
+	}*/
 }