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77 lines
2.8 KiB
Swift
77 lines
2.8 KiB
Swift
/******************************************************************************
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Copyright (C) 2024 by Patrick Heyer <PatTheMav@users.noreply.github.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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import Foundation
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import Metal
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extension MTLTexture {
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/// Creates an opaque pointer of a ``MTLTexture`` instance and increases the reference count.
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/// - Returns: Opaque pointer for the ``MTLTexture``
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func getRetained() -> OpaquePointer {
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let retained = Unmanaged.passRetained(self).toOpaque()
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return OpaquePointer(retained)
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}
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/// Creates an opaque pointer of a ``MTLTexture`` instance without increasing the reference count.
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/// - Returns: Opaque pointer for the ``MTLTexture``
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func getUnretained() -> OpaquePointer {
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let unretained = Unmanaged.passUnretained(self).toOpaque()
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return OpaquePointer(unretained)
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}
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}
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extension MTLTexture {
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/// Convenience property to get the texture's size as a ``MTLSize`` object
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var size: MTLSize {
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.init(
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width: self.width,
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height: self.height,
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depth: self.depth
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)
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}
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/// Convenience property to get the texture's region as a ``MTLRegion`` object
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var region: MTLRegion {
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.init(
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origin: .init(x: 0, y: 0, z: 0),
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size: self.size
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)
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}
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/// Gets a new ``MTLTextureDescriptor`` instance with the properties of the texture
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var descriptor: MTLTextureDescriptor {
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let descriptor = MTLTextureDescriptor()
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descriptor.textureType = self.textureType
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descriptor.pixelFormat = self.pixelFormat
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descriptor.width = self.width
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descriptor.height = self.height
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descriptor.depth = self.depth
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descriptor.mipmapLevelCount = self.mipmapLevelCount
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descriptor.sampleCount = self.sampleCount
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descriptor.arrayLength = self.arrayLength
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descriptor.storageMode = self.storageMode
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descriptor.cpuCacheMode = self.cpuCacheMode
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descriptor.usage = self.usage
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descriptor.allowGPUOptimizedContents = self.allowGPUOptimizedContents
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return descriptor
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}
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}
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