mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
// 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 shareable_test
|
|
|
|
import (
|
|
"errors"
|
|
"image/color"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/internal/affine"
|
|
"github.com/hajimehoshi/ebiten/internal/graphics"
|
|
"github.com/hajimehoshi/ebiten/internal/opengl"
|
|
. "github.com/hajimehoshi/ebiten/internal/shareable"
|
|
"github.com/hajimehoshi/ebiten/internal/testflock"
|
|
)
|
|
|
|
func TestMain(m *testing.M) {
|
|
testflock.Lock()
|
|
defer testflock.Unlock()
|
|
|
|
code := 0
|
|
regularTermination := errors.New("regular termination")
|
|
f := func(screen *ebiten.Image) error {
|
|
code = m.Run()
|
|
return regularTermination
|
|
}
|
|
if err := ebiten.Run(f, 320, 240, 1, "Test"); err != nil && err != regularTermination {
|
|
panic(err)
|
|
}
|
|
os.Exit(code)
|
|
}
|
|
|
|
const bigSize = 2049
|
|
|
|
func TestEnsureNotShared(t *testing.T) {
|
|
// Create img1 and img2 with this size so that the next images are allocated
|
|
// with non-upper-left location.
|
|
img1 := NewImage(bigSize, 100)
|
|
defer img1.Dispose()
|
|
|
|
img2 := NewImage(100, bigSize)
|
|
defer img2.Dispose()
|
|
|
|
const size = 32
|
|
|
|
img3 := NewImage(size/2, size/2)
|
|
defer img3.Dispose()
|
|
|
|
img4 := NewImage(size, size)
|
|
defer img4.Dispose()
|
|
|
|
img3.ReplacePixels(make([]byte, (size/2)*(size/2)*4))
|
|
|
|
pix := make([]byte, size*size*4)
|
|
for j := 0; j < size; j++ {
|
|
for i := 0; i < size; i++ {
|
|
pix[4*(i+j*size)] = byte(i + j)
|
|
pix[4*(i+j*size)+1] = byte(i + j)
|
|
pix[4*(i+j*size)+2] = byte(i + j)
|
|
pix[4*(i+j*size)+3] = byte(i + j)
|
|
}
|
|
}
|
|
img4.ReplacePixels(pix)
|
|
|
|
const (
|
|
dx0 = size / 4
|
|
dy0 = size / 4
|
|
dx1 = size * 3 / 4
|
|
dy1 = size * 3 / 4
|
|
)
|
|
// img4.ensureNotShared() should be called.
|
|
geom := (*affine.GeoM)(nil).Translate(size/4, size/4)
|
|
img4.DrawImage(img3, 0, 0, size/2, size/2, geom, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
|
|
|
|
for j := 0; j < size; j++ {
|
|
for i := 0; i < size; i++ {
|
|
got, err := img4.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
var want color.RGBA
|
|
if i < dx0 || dx1 <= i || j < dy0 || dy1 <= j {
|
|
c := byte(i + j)
|
|
want = color.RGBA{c, c, c, c}
|
|
}
|
|
if got != want {
|
|
t.Errorf("img4.At(%d, %d): got: %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDispose(t *testing.T) {
|
|
// There are already backend image for the offscreen or something.
|
|
// Creating a big image and the next image should be created at a new backend.
|
|
img1 := NewImage(bigSize, bigSize)
|
|
defer img1.Dispose()
|
|
|
|
if BackendNumForTesting() != 1 {
|
|
t.Errorf("BackendNumForTesting(): got: %d, want: %d", BackendNumForTesting(), 1)
|
|
}
|
|
|
|
img2 := NewImage(bigSize, bigSize)
|
|
|
|
if BackendNumForTesting() != 2 {
|
|
t.Errorf("BackendNumForTesting(): got: %d, want: %d", BackendNumForTesting(), 2)
|
|
}
|
|
|
|
img2.Dispose()
|
|
|
|
if BackendNumForTesting() != 1 {
|
|
t.Errorf("BackendNumForTesting(): got: %d, want: %d", BackendNumForTesting(), 1)
|
|
}
|
|
}
|