72 lines
2.8 KiB
Rust
72 lines
2.8 KiB
Rust
use crate::{FilterMode, ImageFormat, WrapMode};
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impl From<ImageFormat> for u32 {
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fn from(format: ImageFormat) -> Self {
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match format {
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ImageFormat::Unknown => 0,
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ImageFormat::R8Unorm => glow::R8,
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ImageFormat::R8Uint => glow::R8UI,
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ImageFormat::R8Sint => glow::R8I,
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ImageFormat::R8G8Unorm => glow::RG8,
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ImageFormat::R8G8Uint => glow::RG8UI,
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ImageFormat::R8G8Sint => glow::RG8I,
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ImageFormat::R8G8B8A8Unorm => glow::RGBA8,
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ImageFormat::R8G8B8A8Uint => glow::RGBA8UI,
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ImageFormat::R8G8B8A8Sint => glow::RGBA8I,
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ImageFormat::R8G8B8A8Srgb => glow::SRGB8_ALPHA8,
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ImageFormat::A2B10G10R10UnormPack32 => glow::RGB10_A2,
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ImageFormat::A2B10G10R10UintPack32 => glow::RGB10_A2UI,
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ImageFormat::R16Uint => glow::R16UI,
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ImageFormat::R16Sint => glow::R16I,
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ImageFormat::R16Sfloat => glow::R16F,
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ImageFormat::R16G16Uint => glow::RG16UI,
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ImageFormat::R16G16Sint => glow::RG16I,
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ImageFormat::R16G16Sfloat => glow::RG16F,
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ImageFormat::R16G16B16A16Uint => glow::RGBA16UI,
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ImageFormat::R16G16B16A16Sint => glow::RGBA16I,
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ImageFormat::R16G16B16A16Sfloat => glow::RGBA16F,
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ImageFormat::R32Uint => glow::R32UI,
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ImageFormat::R32Sint => glow::R32I,
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ImageFormat::R32Sfloat => glow::R32F,
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ImageFormat::R32G32Uint => glow::RG32UI,
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ImageFormat::R32G32Sint => glow::RG32I,
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ImageFormat::R32G32Sfloat => glow::RG32F,
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ImageFormat::R32G32B32A32Uint => glow::RGBA32UI,
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ImageFormat::R32G32B32A32Sint => glow::RGBA32I,
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ImageFormat::R32G32B32A32Sfloat => glow::RGBA32F,
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}
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}
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}
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impl From<WrapMode> for i32 {
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fn from(value: WrapMode) -> Self {
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match value {
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WrapMode::ClampToBorder => glow::CLAMP_TO_BORDER as i32,
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WrapMode::ClampToEdge => glow::CLAMP_TO_EDGE as i32,
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WrapMode::Repeat => glow::REPEAT as i32,
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WrapMode::MirroredRepeat => glow::MIRRORED_REPEAT as i32,
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}
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}
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}
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impl From<FilterMode> for i32 {
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fn from(value: FilterMode) -> Self {
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match value {
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FilterMode::Linear => glow::LINEAR as i32,
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_ => glow::NEAREST as i32,
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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 gl_mip(&self, mip: FilterMode) -> u32 {
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match (self, mip) {
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(FilterMode::Linear, FilterMode::Linear) => glow::LINEAR_MIPMAP_LINEAR,
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(FilterMode::Linear, FilterMode::Nearest) => glow::LINEAR_MIPMAP_NEAREST,
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(FilterMode::Nearest, FilterMode::Linear) => glow::NEAREST_MIPMAP_LINEAR,
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_ => glow::NEAREST_MIPMAP_NEAREST,
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}
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}
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}
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