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[unity] SkeletonRenderTexture classes not displaying on Vulkan. Fixed negative viewport offsets for ortho and perspective projections. Closes #2535.

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This commit is contained in:
Harald Csaszar 2024-05-29 17:08:30 +02:00
parent acd4b1eb98
commit 63dc7d1bb8
4 changed files with 65 additions and 14 deletions
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26
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonGraphicRenderTexture.cs
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@ -260,24 +260,30 @@ namespace Spine.Unity.Examples {
commandBuffer.SetRenderTarget(renderTexture);
commandBuffer.ClearRenderTarget(true, true, Color.clear);
Rect canvasRect = skeletonGraphic.canvas.pixelRect;
Matrix4x4 projectionMatrix = Matrix4x4.Ortho(
canvasRect.x, canvasRect.x + canvasRect.width,
canvasRect.y, canvasRect.y + canvasRect.height,
float.MinValue, float.MaxValue);
Vector2 targetViewportSize = new Vector2(
screenSpaceMax.x - screenSpaceMin.x,
screenSpaceMax.y - screenSpaceMin.y);
RenderMode canvasRenderMode = skeletonGraphic.canvas.renderMode;
if (canvasRenderMode == RenderMode.ScreenSpaceOverlay) {
Rect canvasRect = skeletonGraphic.canvas.pixelRect;
canvasRect.x += screenSpaceMin.x;
canvasRect.y += screenSpaceMin.y;
canvasRect.width = targetViewportSize.x;
canvasRect.height = targetViewportSize.y;
Matrix4x4 projectionMatrix = Matrix4x4.Ortho(
canvasRect.x, canvasRect.x + canvasRect.width,
canvasRect.y, canvasRect.y + canvasRect.height,
float.MinValue, float.MaxValue);
commandBuffer.SetViewMatrix(Matrix4x4.identity);
commandBuffer.SetProjectionMatrix(projectionMatrix);
} else {
commandBuffer.SetViewMatrix(targetCamera.worldToCameraMatrix);
commandBuffer.SetProjectionMatrix(targetCamera.projectionMatrix);
Matrix4x4 projectionMatrix = CalculateProjectionMatrix(targetCamera,
screenSpaceMin, screenSpaceMax, skeletonGraphic.canvas.pixelRect.size);
commandBuffer.SetProjectionMatrix(projectionMatrix);
}
Vector2 targetCameraViewportSize = targetCamera.pixelRect.size;
Rect viewportRect = new Rect(-screenSpaceMin * downScaleFactor, targetCameraViewportSize * downScaleFactor);
Rect viewportRect = new Rect(Vector2.zero, targetViewportSize * downScaleFactor);
commandBuffer.SetViewport(viewportRect);
}

12
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonRenderTexture.cs
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@ -179,10 +179,16 @@ namespace Spine.Unity.Examples {
commandBuffer.SetRenderTarget(renderTexture);
commandBuffer.ClearRenderTarget(true, true, Color.clear);
commandBuffer.SetProjectionMatrix(targetCamera.projectionMatrix);
commandBuffer.SetViewMatrix(targetCamera.worldToCameraMatrix);
Vector2 targetCameraViewportSize = targetCamera.pixelRect.size;
Rect viewportRect = new Rect(-screenSpaceMin * downScaleFactor, targetCameraViewportSize * downScaleFactor);
Matrix4x4 projectionMatrix = CalculateProjectionMatrix(targetCamera,
screenSpaceMin, screenSpaceMax, targetCamera.pixelRect.size);
commandBuffer.SetProjectionMatrix(projectionMatrix);
Vector2 targetViewportSize = new Vector2(
screenSpaceMax.x - screenSpaceMin.x,
screenSpaceMax.y - screenSpaceMin.y);
Rect viewportRect = new Rect(Vector2.zero, targetViewportSize * downScaleFactor);
commandBuffer.SetViewport(viewportRect);
}

39
spine-unity/Assets/Spine Examples/Scripts/Sample Components/SkeletonRenderTexture/SkeletonRenderTextureBase.cs
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@ -122,6 +122,45 @@ namespace Spine.Unity.Examples {
}
}
protected Matrix4x4 CalculateProjectionMatrix (Camera targetCamera,
Vector3 screenSpaceMin, Vector3 screenSpaceMax, Vector2 fullSizePixels) {
if (targetCamera.orthographic)
return CalculateOrthoMatrix(targetCamera, screenSpaceMin, screenSpaceMax, fullSizePixels);
else
return CalculatePerspectiveMatrix(targetCamera, screenSpaceMin, screenSpaceMax, fullSizePixels);
}
protected Matrix4x4 CalculateOrthoMatrix (Camera targetCamera,
Vector3 screenSpaceMin, Vector3 screenSpaceMax, Vector2 fullSizePixels) {
Vector2 cameraSize = new Vector2(
targetCamera.orthographicSize * 2.0f * targetCamera.aspect,
targetCamera.orthographicSize * 2.0f);
Vector2 min = new Vector2(screenSpaceMin.x, screenSpaceMin.y) / fullSizePixels;
Vector2 max = new Vector2(screenSpaceMax.x, screenSpaceMax.y) / fullSizePixels;
Vector2 centerOffset = new Vector2(-0.5f, -0.5f);
min = (min + centerOffset) * cameraSize;
max = (max + centerOffset) * cameraSize;
return Matrix4x4.Ortho(min.x, max.x, min.y, max.y, float.MinValue, float.MaxValue);
}
protected Matrix4x4 CalculatePerspectiveMatrix (Camera targetCamera,
Vector3 screenSpaceMin, Vector3 screenSpaceMax, Vector2 fullSizePixels) {
FrustumPlanes frustumPlanes = targetCamera.projectionMatrix.decomposeProjection;
Vector2 planesSize = new Vector2(
frustumPlanes.right - frustumPlanes.left,
frustumPlanes.top - frustumPlanes.bottom);
Vector2 min = new Vector2(screenSpaceMin.x, screenSpaceMin.y) / fullSizePixels * planesSize;
Vector2 max = new Vector2(screenSpaceMax.x, screenSpaceMax.y) / fullSizePixels * planesSize;
frustumPlanes.right = frustumPlanes.left + max.x;
frustumPlanes.top = frustumPlanes.bottom + max.y;
frustumPlanes.left += min.x;
frustumPlanes.bottom += min.y;
return Matrix4x4.Frustum(frustumPlanes);
}
protected void AssignAtQuad () {
Transform quadTransform = quad.transform;
quadTransform.position = this.transform.position;

2
spine-unity/Assets/Spine Examples/package.json
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@ -2,7 +2,7 @@
"name": "com.esotericsoftware.spine.spine-unity-examples",
"displayName": "spine-unity Runtime Examples",
"description": "This plugin provides example scenes and scripts for the spine-unity runtime.",
"version": "4.2.31",
"version": "4.2.32",
"unity": "2018.3",
"author": {
"name": "Esoteric Software",