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use private storage for textures

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This commit is contained in:
a dinosaur 2024-08-06 16:34:51 +10:00
parent a26d80ea5b
commit 10d7f8281c
1 changed files with 39 additions and 16 deletions
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55
Sources/Voxelotl/Renderer.swift
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@ -123,7 +123,7 @@ class Renderer {
// Create a default texture
do {
self.defaultTexture = try Self.loadTexture(device, image2D: Image2D(Data([
self.defaultTexture = try Self.loadTexture(device, queue, image2D: Image2D(Data([
0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF
]), format: .abgr8888, width: 2, height: 2, stride: 2 * 4))
@ -133,7 +133,7 @@ class Renderer {
// Load texture from a file in the bundle
do {
self.cubeTexture = try Self.loadTexture(device, resourcePath: "test.png")
self.cubeTexture = try Self.loadTexture(device, queue, resourcePath: "test.png")
} catch RendererError.loadFailure(let message) {
printErr("Failed to load texture image: \(message)")
} catch {
@ -145,42 +145,65 @@ class Renderer {
}
static func loadTexture(_ device: MTLDevice, resourcePath path: String) throws -> MTLTexture {
static func loadTexture(_ device: MTLDevice, _ queue: MTLCommandQueue, resourcePath path: String) throws -> MTLTexture {
do {
return try loadTexture(device, url: Bundle.main.getResource(path))
return try loadTexture(device, queue, url: Bundle.main.getResource(path))
} catch ContentError.resourceNotFound(let message) {
throw RendererError.loadFailure(message)
}
}
static func loadTexture(_ device: MTLDevice, url imageUrl: URL) throws -> MTLTexture {
static func loadTexture(_ device: MTLDevice, _ queue: MTLCommandQueue, url imageUrl: URL) throws -> MTLTexture {
do {
return try loadTexture(device, image2D: try NSImageLoader.open(url: imageUrl))
return try loadTexture(device, queue, image2D: try NSImageLoader.open(url: imageUrl))
} catch ImageLoaderError.openFailed(let message) {
throw RendererError.loadFailure(message)
}
}
static func loadTexture(_ device: MTLDevice, image2D image: Image2D) throws -> MTLTexture {
static func loadTexture(_ device: MTLDevice, _ queue: MTLCommandQueue, image2D image: Image2D) throws -> MTLTexture {
let texDesc = MTLTextureDescriptor()
texDesc.width = image.width
texDesc.height = image.height
texDesc.pixelFormat = .rgba8Unorm_srgb
texDesc.textureType = .type2D
texDesc.storageMode = .managed
texDesc.storageMode = .private
texDesc.usage = .shaderRead
guard let newTexture = device.makeTexture(descriptor: texDesc) else {
throw RendererError.loadFailure("Failed to create texture descriptor")
}
image.data.withUnsafeBytes { bytes in
newTexture.replace(
region: .init(
origin: .init(x: 0, y: 0, z: 0),
size: .init(width: image.width, height: image.height, depth: 1)),
mipmapLevel: 0,
withBytes: bytes.baseAddress!,
bytesPerRow: image.stride)
guard let texData = image.data.withUnsafeBytes({ bytes in
device.makeBuffer(bytes: bytes.baseAddress!, length: bytes.count, options: [ .storageModeShared ])
}) else {
throw RendererError.loadFailure("Failed to create shared texture data buffer")
}
guard let cmdBuffer = queue.makeCommandBuffer(),
let blitEncoder = cmdBuffer.makeBlitCommandEncoder()
else {
throw RendererError.loadFailure("Failed to create blit command encoder")
}
blitEncoder.copy(
from: texData,
sourceOffset: 0,
sourceBytesPerRow: image.stride,
sourceBytesPerImage: image.stride * image.height,
sourceSize: .init(width: image.width, height: image.height, depth: 1),
to: newTexture,
destinationSlice: 0,
destinationLevel: 0,
destinationOrigin: .init(x: 0, y: 0, z: 0))
blitEncoder.endEncoding()
cmdBuffer.addCompletedHandler { _ in
//FIXME: look into if this needs to be synchronised
//printErr("Texture was added?")
}
cmdBuffer.commit()
return newTexture
}