remove layer usage to reduce vram consumption

Plugins/ZShell/Blobs/blobmaterial.cpp

@@ -33,7 +33,7 @@ bool BlobMaterialShader::updateUniformData(
 	Q_UNUSED(oldMaterial);
 	auto* mat = static_cast<BlobMaterial*>(newMaterial);
 	QByteArray* buf = state.uniformData();
-	Q_ASSERT(buf->size() >= 1440);
+	Q_ASSERT(buf->size() >= 1472);
 
 	if (state.isMatrixDirty()) {
 		const QMatrix4x4 m = state.combinedMatrix();
@@ -56,7 +56,7 @@ bool BlobMaterialShader::updateUniformData(
 	// Rect count (offset 88)
 	memcpy(buf->data() + 88, &mat->m_rectCount, 4);
 
-	// My index (offset 92)
+	// My index (offset 92). -2 skips the ownership test in the shader.
 	memcpy(buf->data() + 92, &mat->m_myIndex, 4);
 
 	// Color as vec4 (offset 96, 16 bytes)
@@ -100,5 +100,10 @@ bool BlobMaterialShader::updateUniformData(
 		memcpy(buf->data() + base + 64, r.radius, 16);
 	}
 
+	// Shadow: after rectData, which ends at 1440. shadowColor is 16-byte aligned,
+	// so it lands at 1456.
+	memcpy(buf->data() + 1440, &mat->m_shadowRadius, 4);
+	memcpy(buf->data() + 1456, mat->m_shadowColor, 16);
+
 	return true;
 }