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[unity] SkeletonRenderTexture components now support automatic down-scaling when required size on screen exceeds max render texture size.

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This commit is contained in:
Harald Csaszar 2022-10-28 16:08:53 +02:00
parent 3493de7fe8
commit 661796d2cb
4 changed files with 24 additions and 10 deletions
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1
CHANGELOG.md
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@ -92,6 +92,7 @@
* Added Spine Preferences setting `Reload SkeletonData after Play`. When enabled, the shared `SkeletonData` of all skeletons in the active scene is reloaded (from the `.json` or `.skel.bytes` file) after exiting play-mode. You can disable this setting to avoid the reloading delay if you can ensure that there are no (accidental) modifications to the shared `SkeletonData` during play-mode (otherwise it would carry over its effect into subsequent plays). Defaults to `true` (the safe setting), which maintains existing behaviour.
* Added `SkeletonAnimationMulti` sample component methods `SetActiveSkeleton(int index)` and getter property `SkeletonAnimations` to more easily apply changes at all SkeletonAnimation instances instead of only the active one.
* PMA textures now have `sRGB (Color Texture)` disabled by default, the preset template `PMATexturePreset.preset` has been adjusted accordingly. As PMA textures are only allowed with Gamma color space, `sRGB (Color Texture)` shall be disabled to prevent border artifacts when mipmaps are enabled. In Gamma color space having this setting disabled has no drawbacks, only benefits.
* `SkeletonRenderTexture` and `SkeletonGraphicRenderTexture` components now support automatic down-scaling when required size on screen exceeds `Max Render Texture Size`.
* **Breaking changes**
* Made `SkeletonGraphic.unscaledTime` parameter protected, use the new property `UnscaledTime` instead.

3
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonGraphicRenderTexture.cs
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@ -248,7 +248,8 @@ namespace Spine.Unity.Examples {
}
Vector2 targetCameraViewportSize = targetCamera.pixelRect.size;
commandBuffer.SetViewport(new Rect(-screenSpaceMin, targetCameraViewportSize));
Rect viewportRect = new Rect(-screenSpaceMin * downScaleFactor, targetCameraViewportSize * downScaleFactor);
commandBuffer.SetViewport(viewportRect);
}
protected override void AssignMeshAtRenderer () {

3
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonRenderTexture.cs
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@ -167,7 +167,8 @@ namespace Spine.Unity.Examples {
commandBuffer.SetProjectionMatrix(targetCamera.projectionMatrix);
commandBuffer.SetViewMatrix(targetCamera.worldToCameraMatrix);
Vector2 targetCameraViewportSize = targetCamera.pixelRect.size;
commandBuffer.SetViewport(new Rect(-screenSpaceMin, targetCameraViewportSize));
Rect viewportRect = new Rect(-screenSpaceMin * downScaleFactor, targetCameraViewportSize * downScaleFactor);
commandBuffer.SetViewport(viewportRect);
}
protected void RenderToRenderTexture () {

27
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonRenderTextureBase.cs
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@ -47,8 +47,10 @@ namespace Spine.Unity.Examples {
public Camera targetCamera;
protected CommandBuffer commandBuffer;
protected Vector2Int requiredRenderTextureSize;
protected Vector2Int screenSize;
protected Vector2Int usedRenderTextureSize;
protected Vector2Int allocatedRenderTextureSize;
protected Vector2 downScaleFactor = Vector2.one;
protected Vector3 worldCornerNoDistortion0;
protected Vector3 worldCornerNoDistortion1;
@ -89,17 +91,22 @@ namespace Spine.Unity.Examples {
uvCorner2 = MathUtilities.InverseLerp(screenSpaceMin, screenSpaceMax, screenCorner2);
uvCorner3 = MathUtilities.InverseLerp(screenSpaceMin, screenSpaceMax, screenCorner3);
requiredRenderTextureSize = new Vector2Int(
Math.Min(maxRenderTextureSize, Math.Abs((int)screenSpaceMax.x - (int)screenSpaceMin.x)),
Math.Min(maxRenderTextureSize, Math.Abs((int)screenSpaceMax.y - (int)screenSpaceMin.y)));
screenSize = new Vector2Int(Math.Abs((int)screenSpaceMax.x - (int)screenSpaceMin.x),
Math.Abs((int)screenSpaceMax.y - (int)screenSpaceMin.y));
usedRenderTextureSize = new Vector2Int(
Math.Min(maxRenderTextureSize, screenSize.x),
Math.Min(maxRenderTextureSize, screenSize.y));
downScaleFactor = new Vector2(
(float)usedRenderTextureSize.x / (float)screenSize.x,
(float)usedRenderTextureSize.y / (float)screenSize.y);
PrepareRenderTexture();
}
protected void PrepareRenderTexture () {
Vector2Int textureSize = new Vector2Int(
Mathf.NextPowerOfTwo(requiredRenderTextureSize.x),
Mathf.NextPowerOfTwo(requiredRenderTextureSize.y));
Mathf.NextPowerOfTwo(usedRenderTextureSize.x),
Mathf.NextPowerOfTwo(usedRenderTextureSize.y));
if (textureSize != allocatedRenderTextureSize) {
if (renderTexture)
@ -135,8 +142,12 @@ namespace Spine.Unity.Examples {
};
quadMesh.normals = normals;
float maxU = (float)requiredRenderTextureSize.x / (float)allocatedRenderTextureSize.x;
float maxV = (float)requiredRenderTextureSize.y / (float)allocatedRenderTextureSize.y;
float maxU = (float)usedRenderTextureSize.x / (float)allocatedRenderTextureSize.x;
float maxV = (float)usedRenderTextureSize.y / (float)allocatedRenderTextureSize.y;
if (downScaleFactor.x < 1 || downScaleFactor.y < 1) {
maxU = downScaleFactor.x * (float)screenSize.x / (float)allocatedRenderTextureSize.x;
maxV = downScaleFactor.y * (float)screenSize.y / (float)allocatedRenderTextureSize.y;
}
Vector2[] uv = new Vector2[4] {
new Vector2(uvCorner0.x * maxU, uvCorner0.y * maxV),
new Vector2(uvCorner1.x * maxU, uvCorner1.y * maxV),