mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
f3cdb0537b
Now restorable/sharable packages cannot use the same vertices backend, but I think this won't affect the performance significantly.
107 lines
3.2 KiB
Go
107 lines
3.2 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 graphicscommand_test
|
|
|
|
import (
|
|
"errors"
|
|
"image/color"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/internal/graphics"
|
|
. "github.com/hajimehoshi/ebiten/internal/graphicscommand"
|
|
"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)
|
|
}
|
|
|
|
type testVertexPutter struct {
|
|
w float32
|
|
h float32
|
|
}
|
|
|
|
func (t *testVertexPutter) PutVertex(vs []float32, dx, dy, sx, sy float32, bx0, by0, bx1, by1 float32, cr, cg, cb, ca float32) {
|
|
// The implementation is basically same as restorable.(*Image).PutVertex.
|
|
// This doesn't adjust texels, but this is fine as long as the rectangle is not rotated or scaled.
|
|
vs[0] = dx
|
|
vs[1] = dy
|
|
vs[2] = sx / t.w
|
|
vs[3] = sy / t.h
|
|
vs[4] = bx0 / t.w
|
|
vs[5] = by0 / t.h
|
|
vs[6] = bx1 / t.w
|
|
vs[7] = by1 / t.h
|
|
vs[8] = cr
|
|
vs[9] = cg
|
|
vs[10] = cb
|
|
vs[11] = ca
|
|
}
|
|
|
|
func TestClear(t *testing.T) {
|
|
const w, h = 1024, 1024
|
|
src := NewImage(w/2, h/2)
|
|
dst := NewImage(w, h)
|
|
|
|
vs := make([]float32, 4*graphics.VertexFloatNum)
|
|
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w/2, h/2, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles(src, vs, is, nil, graphics.CompositeModeClear, graphics.FilterNearest, graphics.AddressClampToZero)
|
|
|
|
pix := dst.Pixels()
|
|
for j := 0; j < h/2; j++ {
|
|
for i := 0; i < w/2; i++ {
|
|
idx := 4 * (i + w*j)
|
|
got := color.RGBA{pix[idx], pix[idx+1], pix[idx+2], pix[idx+3]}
|
|
want := color.RGBA{}
|
|
if got != want {
|
|
t.Errorf("dst.At(%d, %d) after DrawTriangles: got %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReplacePixelsPartAfterDrawTriangles(t *testing.T) {
|
|
defer func() {
|
|
if r := recover(); r == nil {
|
|
t.Errorf("ReplacePixels must panic but not")
|
|
}
|
|
}()
|
|
const w, h = 32, 32
|
|
clr := NewImage(w, h)
|
|
src := NewImage(16, 16)
|
|
dst := NewImage(w, h)
|
|
vs := make([]float32, 4*graphics.VertexFloatNum)
|
|
graphics.PutQuadVertices(vs, &testVertexPutter{w / 2, h / 2}, 0, 0, w, h, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles(clr, vs, is, nil, graphics.CompositeModeClear, graphics.FilterNearest, graphics.AddressClampToZero)
|
|
dst.DrawTriangles(src, vs, is, nil, graphics.CompositeModeSourceOver, graphics.FilterNearest, graphics.AddressClampToZero)
|
|
dst.ReplacePixels(make([]byte, 4), 0, 0, 1, 1)
|
|
}
|