66 lines
1.7 KiB
Rust
66 lines
1.7 KiB
Rust
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use crate::error;
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use crate::error::assume_d3d_init;
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use crate::texture::D3D9InputTexture;
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use librashader_presets::TextureConfig;
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use librashader_runtime::image::{Image, ARGB8};
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use windows::Win32::Graphics::Direct3D9::{
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IDirect3DDevice9, D3DFMT_A8R8G8B8, D3DLOCKED_RECT, D3DPOOL_MANAGED,
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};
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#[derive(Debug, Clone)]
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pub(crate) struct LutTexture(D3D9InputTexture);
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impl AsRef<D3D9InputTexture> for LutTexture {
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fn as_ref(&self) -> &D3D9InputTexture {
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&self.0
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}
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}
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impl LutTexture {
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pub fn new(
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device: &IDirect3DDevice9,
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source: &Image<ARGB8>,
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config: &TextureConfig,
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) -> error::Result<LutTexture> {
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let mut texture = None;
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unsafe {
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device.CreateTexture(
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source.size.width,
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source.size.height,
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if config.mipmap { 0 } else { 1 },
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0,
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D3DFMT_A8R8G8B8,
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D3DPOOL_MANAGED,
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&mut texture,
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std::ptr::null_mut(),
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)?;
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}
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assume_d3d_init!(texture, "CreateTexture");
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unsafe {
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let mut lock = D3DLOCKED_RECT::default();
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texture.LockRect(0, &mut lock, std::ptr::null_mut(), 0)?;
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std::ptr::copy_nonoverlapping(
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source.bytes.as_ptr(),
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lock.pBits.cast(),
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source.bytes.len(),
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);
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texture.UnlockRect(0)?;
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if config.mipmap {
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texture.GenerateMipSubLevels();
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}
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}
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Ok(LutTexture(D3D9InputTexture {
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handle: texture,
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filter: config.filter_mode,
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wrap: config.wrap_mode,
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mipmode: config.filter_mode,
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is_srgb: false,
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}))
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}
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}
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