mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-15 23:47:26 +01:00
109 lines
3.6 KiB
Go
109 lines
3.6 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 (
|
|
"image/color"
|
|
"testing"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/driver"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
|
|
. "github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
|
|
etesting "github.com/hajimehoshi/ebiten/v2/internal/testing"
|
|
)
|
|
|
|
func TestMain(m *testing.M) {
|
|
etesting.MainWithRunLoop(m)
|
|
}
|
|
|
|
func quadVertices(w, h float32) []float32 {
|
|
return []float32{
|
|
0, 0, 0, 0, 1, 1, 1, 1,
|
|
w, 0, w, 0, 1, 1, 1, 1,
|
|
0, w, 0, h, 1, 1, 1, 1,
|
|
w, h, w, h, 1, 1, 1, 1,
|
|
}
|
|
}
|
|
|
|
func TestClear(t *testing.T) {
|
|
const w, h = 1024, 1024
|
|
src := NewImage(w/2, h/2)
|
|
dst := NewImage(w, h)
|
|
|
|
vs := quadVertices(w/2, h/2)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles([graphics.ShaderImageNum]*Image{src}, [graphics.ShaderImageNum - 1][2]float32{}, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressUnsafe, driver.Region{}, nil, nil)
|
|
|
|
pix, err := dst.Pixels()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
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(w/2, h/2)
|
|
dst := NewImage(w, h)
|
|
vs := quadVertices(w/2, h/2)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles([graphics.ShaderImageNum]*Image{clr}, [graphics.ShaderImageNum - 1][2]float32{}, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressUnsafe, driver.Region{}, nil, nil)
|
|
dst.DrawTriangles([graphics.ShaderImageNum]*Image{src}, [graphics.ShaderImageNum - 1][2]float32{}, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressUnsafe, driver.Region{}, nil, nil)
|
|
dst.ReplacePixels(make([]byte, 4), 0, 0, 1, 1)
|
|
}
|
|
|
|
func TestShader(t *testing.T) {
|
|
const w, h = 16, 16
|
|
clr := NewImage(w, h)
|
|
dst := NewImage(w, h)
|
|
vs := quadVertices(w, h)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles([graphics.ShaderImageNum]*Image{clr}, [graphics.ShaderImageNum - 1][2]float32{}, vs, is, nil, driver.CompositeModeClear, driver.FilterNearest, driver.AddressUnsafe, driver.Region{}, nil, nil)
|
|
|
|
ir := etesting.ShaderProgramFill(0xff, 0, 0, 0xff)
|
|
s := NewShader(&ir)
|
|
dst.DrawTriangles([graphics.ShaderImageNum]*Image{}, [graphics.ShaderImageNum - 1][2]float32{}, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressUnsafe, driver.Region{}, s, nil)
|
|
|
|
pix, err := dst.Pixels()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
idx := 4 * (i + w*j)
|
|
got := color.RGBA{pix[idx], pix[idx+1], pix[idx+2], pix[idx+3]}
|
|
want := color.RGBA{0xff, 0, 0, 0xff}
|
|
if got != want {
|
|
t.Errorf("dst.At(%d, %d) after DrawTriangles: got %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|