Rasagar/Library/PackageCache/com.unity.render-pipelines.universal/Tests/Runtime/PixelPerfectCameraTests.cs
2024-08-26 23:07:20 +03:00

327 lines
14 KiB
C#

using NUnit.Framework;
using UnityEngine.Rendering.Universal;
namespace UnityEngine.Rendering.Universal.Tests
{
internal class PixelPerfectCameraTests
{
internal class PixelPerfectCameraTestComponent : IPixelPerfectCamera
{
public int assetsPPU { get; set; }
public int refResolutionX { get; set; }
public int refResolutionY { get; set; }
public bool upscaleRT { get; set; }
public bool pixelSnapping { get; set; }
public bool cropFrameX { get; set; }
public bool cropFrameY { get; set; }
public bool stretchFill { get; set; }
}
internal class CalculateCameraPropertiesResult
{
public int zoom;
public bool useOffscreenRT;
public int offscreenRTWidth;
public int offscreenRTHeight;
public Rect pixelRect;
public float orthoSize;
public float unitsPerPixel;
}
[UnityEngine.Scripting.Preserve]
private static object[] GetCalculateCameraPropertiesTestCases()
{
object[] testCaseArray = new object[9];
for (int i = 0; i < testCaseArray.Length; ++i)
{
PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
int screenWidth = 0;
int screenHeight = 0;
CalculateCameraPropertiesResult expected = new CalculateCameraPropertiesResult();
switch (i)
{
case 0:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = false;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = true;
testComponent.cropFrameY = true;
testComponent.stretchFill = true;
screenWidth = 800;
screenHeight = 500;
expected.zoom = 1;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 400;
expected.offscreenRTHeight = 300;
expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
case 1:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = true;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = true;
testComponent.cropFrameY = true;
testComponent.stretchFill = true;
screenWidth = 1100;
screenHeight = 900;
expected.zoom = 2;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 400;
expected.offscreenRTHeight = 300;
expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
case 2:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = true;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = false;
testComponent.cropFrameY = true;
testComponent.stretchFill = false;
screenWidth = 400;
screenHeight = 250;
expected.zoom = 1;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 400;
expected.offscreenRTHeight = 300;
expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
case 3:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = true;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = true;
testComponent.cropFrameY = false;
testComponent.stretchFill = false;
screenWidth = 1600;
screenHeight = 1200;
expected.zoom = 4;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 400;
expected.offscreenRTHeight = 300;
expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
case 4:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = true;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = false;
testComponent.cropFrameY = false;
testComponent.stretchFill = false;
screenWidth = 1600;
screenHeight = 1100;
expected.zoom = 3;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 532;
expected.offscreenRTHeight = 366;
expected.pixelRect = new Rect(0.0f, 0.0f, 532, 366);
expected.orthoSize = 1.83f;
expected.unitsPerPixel = 0.01f;
break;
case 5:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = false;
testComponent.pixelSnapping = false;
testComponent.cropFrameX = false;
testComponent.cropFrameY = false;
testComponent.stretchFill = true;
screenWidth = 800;
screenHeight = 600;
expected.zoom = 2;
expected.useOffscreenRT = false;
expected.offscreenRTWidth = 0;
expected.offscreenRTHeight = 0;
expected.pixelRect = Rect.zero;
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.005f;
break;
case 6:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = false;
testComponent.pixelSnapping = false;
testComponent.cropFrameX = true;
testComponent.cropFrameY = true;
testComponent.stretchFill = false;
screenWidth = 800;
screenHeight = 700;
expected.zoom = 2;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 800;
expected.offscreenRTHeight = 600;
expected.pixelRect = new Rect(0.0f, 0.0f, 800, 600);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.005f;
break;
case 7:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = false;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = false;
testComponent.cropFrameY = true;
testComponent.stretchFill = false;
screenWidth = 900;
screenHeight = 600;
expected.zoom = 2;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 900;
expected.offscreenRTHeight = 600;
expected.pixelRect = new Rect(0.0f, 0.0f, 900, 600);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
case 8:
testComponent.assetsPPU = 100;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
testComponent.upscaleRT = false;
testComponent.pixelSnapping = true;
testComponent.cropFrameX = true;
testComponent.cropFrameY = false;
testComponent.stretchFill = false;
screenWidth = 900;
screenHeight = 600;
expected.zoom = 2;
expected.useOffscreenRT = true;
expected.offscreenRTWidth = 800;
expected.offscreenRTHeight = 600;
expected.pixelRect = new Rect(0.0f, 0.0f, 800, 600);
expected.orthoSize = 1.5f;
expected.unitsPerPixel = 0.01f;
break;
}
testCaseArray[i] = new object[] { testComponent, screenWidth, screenHeight, expected };
}
return testCaseArray;
}
[Test, TestCaseSource("GetCalculateCameraPropertiesTestCases")]
public void CalculateCameraPropertiesProvidesCorrectResultsWithVariousInputs(PixelPerfectCameraTestComponent testComponent, int screenWidth, int screenHeight, CalculateCameraPropertiesResult expected)
{
PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
internals.CalculateCameraProperties(screenWidth, screenHeight);
Assert.AreEqual(expected.zoom, internals.zoom);
Assert.AreEqual(expected.useOffscreenRT, internals.useOffscreenRT);
Assert.AreEqual(expected.offscreenRTWidth, internals.offscreenRTWidth);
Assert.AreEqual(expected.offscreenRTHeight, internals.offscreenRTHeight);
Assert.AreEqual(expected.pixelRect, internals.pixelRect);
Assert.AreEqual(expected.orthoSize, internals.orthoSize);
Assert.AreEqual(expected.unitsPerPixel, internals.unitsPerPixel);
}
[Test]
public void CalculateFinalBlitPixelRectStretchToFitHeightWorks()
{
PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
testComponent.refResolutionX = 200;
testComponent.refResolutionY = 100;
PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
internals.useStretchFill = true;
Rect pixelRect = internals.CalculateFinalBlitPixelRect(400, 100);
Rect expected = new Rect(100.0f, 0.0f, 200.0f, 100.0f);
Assert.AreEqual(expected, pixelRect);
}
[Test]
public void CalculateFinalBlitPixelRectStretchToFitWidthWorks()
{
PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
testComponent.refResolutionX = 200;
testComponent.refResolutionY = 100;
PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
internals.useStretchFill = true;
Rect pixelRect = internals.CalculateFinalBlitPixelRect(200, 200);
Rect expected = new Rect(0.0f, 50.0f, 200.0f, 100.0f);
Assert.AreEqual(expected, pixelRect);
}
[Test]
public void CalculateFinalBlitPixelRectCenteredWorksWithUpscaleRT()
{
PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
testComponent.upscaleRT = true;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
internals.useStretchFill = false;
internals.zoom = 2;
internals.offscreenRTWidth = 400;
internals.offscreenRTHeight = 300;
Rect pixelRect = internals.CalculateFinalBlitPixelRect(1600, 1200);
Rect expected = new Rect(400.0f, 300.0f, 800.0f, 600.0f);
Assert.AreEqual(expected, pixelRect);
}
[Test]
public void CalculateFinalBlitPixelRectCenteredWorksWithoutUpscaleRT()
{
PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
testComponent.upscaleRT = false;
testComponent.refResolutionX = 400;
testComponent.refResolutionY = 300;
PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
internals.useStretchFill = false;
internals.zoom = 2;
internals.offscreenRTWidth = 400;
internals.offscreenRTHeight = 300;
Rect pixelRect = internals.CalculateFinalBlitPixelRect(1600, 1200);
Rect expected = new Rect(600.0f, 450.0f, 400.0f, 300.0f);
Assert.AreEqual(expected, pixelRect);
}
}
}