2024-08-02 14:25:54 +10:00
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use crate::{FilterMode, GetSize, ImageFormat, Size, WrapMode};
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use objc2::runtime::ProtocolObject;
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2024-06-22 10:50:35 +10:00
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use objc2_metal::{
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2024-08-02 14:25:54 +10:00
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MTLPixelFormat, MTLSamplerAddressMode, MTLSamplerMinMagFilter, MTLSamplerMipFilter, MTLTexture,
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MTLViewport,
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};
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2024-02-10 10:22:14 +11:00
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2024-06-22 10:50:35 +10:00
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impl From<ImageFormat> for MTLPixelFormat {
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fn from(format: ImageFormat) -> Self {
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match format {
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ImageFormat::Unknown => MTLPixelFormat(0),
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ImageFormat::R8Unorm => MTLPixelFormat::R8Unorm,
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ImageFormat::R8Uint => MTLPixelFormat::R8Uint,
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ImageFormat::R8Sint => MTLPixelFormat::R8Sint,
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ImageFormat::R8G8Unorm => MTLPixelFormat::RG8Unorm,
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ImageFormat::R8G8Uint => MTLPixelFormat::RG8Uint,
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ImageFormat::R8G8Sint => MTLPixelFormat::RG8Sint,
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ImageFormat::R8G8B8A8Unorm => MTLPixelFormat::RGBA8Unorm,
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ImageFormat::R8G8B8A8Uint => MTLPixelFormat::RGBA8Uint,
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ImageFormat::R8G8B8A8Sint => MTLPixelFormat::RGBA8Sint,
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ImageFormat::R8G8B8A8Srgb => MTLPixelFormat::RGBA8Unorm_sRGB,
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ImageFormat::A2B10G10R10UnormPack32 => MTLPixelFormat::RGB10A2Unorm,
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ImageFormat::A2B10G10R10UintPack32 => MTLPixelFormat::RGB10A2Uint,
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ImageFormat::R16Uint => MTLPixelFormat::R16Uint,
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ImageFormat::R16Sint => MTLPixelFormat::R16Sint,
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ImageFormat::R16Sfloat => MTLPixelFormat::R16Float,
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ImageFormat::R16G16Uint => MTLPixelFormat::RG16Uint,
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ImageFormat::R16G16Sint => MTLPixelFormat::RG16Sint,
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ImageFormat::R16G16Sfloat => MTLPixelFormat::RG16Float,
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ImageFormat::R16G16B16A16Uint => MTLPixelFormat::RGBA16Uint,
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ImageFormat::R16G16B16A16Sint => MTLPixelFormat::RGBA16Sint,
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ImageFormat::R16G16B16A16Sfloat => MTLPixelFormat::RGBA16Float,
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ImageFormat::R32Uint => MTLPixelFormat::R32Uint,
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ImageFormat::R32Sint => MTLPixelFormat::R32Sint,
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ImageFormat::R32Sfloat => MTLPixelFormat::R32Float,
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ImageFormat::R32G32Uint => MTLPixelFormat::RG32Uint,
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ImageFormat::R32G32Sint => MTLPixelFormat::RG32Sint,
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ImageFormat::R32G32Sfloat => MTLPixelFormat::RG32Float,
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ImageFormat::R32G32B32A32Uint => MTLPixelFormat::RGBA32Uint,
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ImageFormat::R32G32B32A32Sint => MTLPixelFormat::RGBA32Sint,
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ImageFormat::R32G32B32A32Sfloat => MTLPixelFormat::RGBA32Float,
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}
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}
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}
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impl From<MTLViewport> for Size<u32> {
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fn from(value: MTLViewport) -> Self {
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Size {
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width: value.width as u32,
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height: value.height as u32,
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}
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}
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}
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impl From<Size<u32>> for MTLViewport {
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fn from(value: Size<u32>) -> Self {
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MTLViewport {
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originX: 0.0,
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originY: 0.0,
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width: value.width as f64,
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height: value.height as f64,
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znear: -1.0,
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zfar: 1.0,
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}
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}
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}
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impl From<WrapMode> for MTLSamplerAddressMode {
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fn from(value: WrapMode) -> Self {
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match value {
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WrapMode::ClampToBorder => MTLSamplerAddressMode::ClampToBorderColor,
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WrapMode::ClampToEdge => MTLSamplerAddressMode::ClampToEdge,
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WrapMode::Repeat => MTLSamplerAddressMode::Repeat,
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WrapMode::MirroredRepeat => MTLSamplerAddressMode::MirrorRepeat,
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}
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}
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}
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impl From<FilterMode> for MTLSamplerMinMagFilter {
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fn from(value: FilterMode) -> Self {
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match value {
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FilterMode::Linear => MTLSamplerMinMagFilter::Linear,
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_ => MTLSamplerMinMagFilter::Nearest,
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}
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}
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}
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impl FilterMode {
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/// Get the mipmap filtering mode for the given combination.
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pub fn mtl_mip(&self, _mip: FilterMode) -> MTLSamplerMipFilter {
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match self {
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FilterMode::Linear => MTLSamplerMipFilter::Linear,
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FilterMode::Nearest => MTLSamplerMipFilter::Nearest,
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}
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}
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}
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impl GetSize<u32> for ProtocolObject<dyn MTLTexture> {
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type Error = std::convert::Infallible;
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fn size(&self) -> Result<Size<u32>, Self::Error> {
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let height = self.height();
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let width = self.width();
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Ok(Size {
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height: height as u32,
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width: width as u32,
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})
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}
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}
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2024-08-21 14:14:42 +10:00
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impl GetSize<u32> for &ProtocolObject<dyn MTLTexture> {
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type Error = std::convert::Infallible;
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fn size(&self) -> Result<Size<u32>, Self::Error> {
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let height = self.height();
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let width = self.width();
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Ok(Size {
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height: height as u32,
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width: width as u32,
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})
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}
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}
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