579 lines
17 KiB
Rust
579 lines
17 KiB
Rust
|
const WIDTH: i32 = 800;
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const HEIGHT: i32 = 600;
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const TITLE: &str = "librashader DirectX 9";
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use windows::{
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core::*, Win32::Foundation::*, Win32::Graphics::Direct3D9::*, Win32::System::LibraryLoader::*,
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Win32::UI::WindowsAndMessaging::*,
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};
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use gfx_maths::Mat4;
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use std::mem::transmute;
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pub trait DXSample {
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fn bind_to_window(&mut self, hwnd: &HWND) -> Result<()>;
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fn update(&mut self) {}
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fn render(&mut self) -> Result<()> {
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Ok(())
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}
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fn on_key_up(&mut self, _key: u8) {}
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fn on_key_down(&mut self, _key: u8) {}
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fn title(&self) -> String {
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TITLE.into()
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}
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fn window_size(&self) -> (i32, i32) {
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(WIDTH, HEIGHT)
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}
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fn resize(&mut self, w: u32, h: u32) -> Result<()>;
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}
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#[inline]
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pub fn loword(l: usize) -> u32 {
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(l & 0xffff) as u32
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}
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#[inline]
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pub fn hiword(l: usize) -> u32 {
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((l >> 16) & 0xffff) as u32
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}
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fn run_sample<S>(mut sample: S) -> Result<()>
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where
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S: DXSample,
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{
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let instance = unsafe { GetModuleHandleA(None)? };
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let wc = WNDCLASSEXA {
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cbSize: std::mem::size_of::<WNDCLASSEXA>() as u32,
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style: CS_HREDRAW | CS_VREDRAW,
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lpfnWndProc: Some(wndproc::<S>),
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hInstance: HINSTANCE::from(instance),
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hCursor: unsafe { LoadCursorW(None, IDC_ARROW)? },
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lpszClassName: s!("RustWindowClass"),
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..Default::default()
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};
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let size = sample.window_size();
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let atom = unsafe { RegisterClassExA(&wc) };
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debug_assert_ne!(atom, 0);
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let mut window_rect = RECT {
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left: 0,
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top: 0,
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right: size.0,
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bottom: size.1,
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};
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unsafe { AdjustWindowRect(&mut window_rect, WS_OVERLAPPEDWINDOW, false)? };
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let mut title = sample.title();
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title.push('\0');
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let hwnd = unsafe {
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CreateWindowExA(
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WINDOW_EX_STYLE::default(),
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s!("RustWindowClass"),
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PCSTR(title.as_ptr()),
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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window_rect.right - window_rect.left,
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window_rect.bottom - window_rect.top,
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None, // no parent window
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None, // no menus
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instance,
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Some(&sample as *const _ as _),
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)
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};
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sample.bind_to_window(&hwnd).unwrap();
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unsafe { ShowWindow(hwnd, SW_SHOW) };
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loop {
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let mut message = MSG::default();
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if unsafe { PeekMessageA(&mut message, None, 0, 0, PM_REMOVE) }.into() {
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unsafe {
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TranslateMessage(&message);
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DispatchMessageA(&message);
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}
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if message.message == WM_QUIT {
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break;
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}
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}
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}
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Ok(())
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}
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fn sample_wndproc<S: DXSample>(sample: &mut S, message: u32, wparam: WPARAM) -> bool {
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match message {
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WM_KEYDOWN => {
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sample.on_key_down(wparam.0 as u8);
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true
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}
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WM_KEYUP => {
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sample.on_key_up(wparam.0 as u8);
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true
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}
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WM_PAINT => {
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sample.update();
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sample.render().unwrap();
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true
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}
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WM_SIZE => {
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sample.resize(loword(wparam.0), hiword(wparam.0)).unwrap();
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true
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}
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_ => false,
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}
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}
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extern "system" fn wndproc<S: DXSample>(
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window: HWND,
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message: u32,
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wparam: WPARAM,
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lparam: LPARAM,
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) -> LRESULT {
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match message {
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WM_CREATE => {
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unsafe {
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let create_struct: &CREATESTRUCTA = transmute(lparam);
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SetWindowLongPtrA(window, GWLP_USERDATA, create_struct.lpCreateParams as _);
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}
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LRESULT::default()
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}
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WM_DESTROY => {
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unsafe { PostQuitMessage(0) };
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LRESULT::default()
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}
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_ => {
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let user_data = unsafe { GetWindowLongPtrA(window, GWLP_USERDATA) };
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let sample = std::ptr::NonNull::<S>::new(user_data as _);
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let handled = sample.map_or(false, |mut s| {
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sample_wndproc(unsafe { s.as_mut() }, message, wparam)
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});
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if handled {
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LRESULT::default()
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} else {
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unsafe { DefWindowProcA(window, message, wparam, lparam) }
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}
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}
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}
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}
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// #[repr(C)]
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// struct Vertex {
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// position: [f32; 3],
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// color: [f32; 3],
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// }
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#[repr(C)]
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struct Vertex {
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position: [f32; 4],
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color: u32,
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}
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#[repr(C)]
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#[derive(Default)]
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struct TriangleUniforms {
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projection_matrix: Mat4,
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model_matrix: Mat4,
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view_matrix: Mat4,
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}
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pub mod d3d9_hello_triangle {
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use super::*;
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use std::path::{Path, PathBuf};
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use librashader_common::Viewport;
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use librashader_runtime::quad::IDENTITY_MVP;
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use librashader_runtime_d3d9::options::FilterChainOptionsD3D9;
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use librashader_runtime_d3d9::FilterChainD3D9;
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use std::time::Instant;
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pub struct Sample {
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pub direct3d: IDirect3D9,
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pub resources: Option<Resources>,
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pub filter: PathBuf,
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}
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pub struct Resources {
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pub device: IDirect3DDevice9,
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pub filter: FilterChainD3D9,
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// pub depth_buffer: ID3D11Texture2D,
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// pub depth_stencil_view: ID3D11DepthStencilView,
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// pub triangle_vertices: ID3D11Buffer,
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// pub triangle_indices: ID3D11Buffer,
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// pub triangle_uniforms: ID3D11Buffer,
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// pub vs: ID3D11VertexShader,
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// pub ps: ID3D11PixelShader,
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// pub input_layout: ID3D11InputLayout,
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pub frame_start: Instant,
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pub frame_end: Instant,
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pub elapsed: f32,
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pub frame_count: usize,
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pub renderbuffer: IDirect3DTexture9,
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// pub renderbufffer_rtv: ID3D11RenderTargetView,
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// pub backbuffer: Option<ID3D11Texture2D>,
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// pub backbuffer_rtv: Option<ID3D11RenderTargetView>,
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// pub viewport: D3D11_VIEWPORT,
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// pub shader_output: Option<ID3D11Texture2D>,
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// pub deferred_context: ID3D11DeviceContext,
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pub vbo: IDirect3DVertexBuffer9,
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|
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pub vao: IDirect3DVertexDeclaration9,
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}
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|
|
|
||
|
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impl Sample {
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||
|
|
pub(crate) fn new(filter: impl AsRef<Path>) -> Result<Self> {
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|
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// unsafe {
|
||
|
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// let mut debug: Option<ID3D12Debug> = None;
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|
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// if let Some(debug) = D3D12GetDebugInterface(&mut debug).ok().and(debug) {
|
||
|
|
// eprintln!("enabling debug");
|
||
|
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// debug.EnableDebugLayer();
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||
|
|
// }
|
||
|
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// }
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||
|
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// let direct3d = unsafe { Direct3DCreate9On12(D3D_SDK_VERSION, std::ptr::null_mut(), 0).unwrap() };
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|
|
|
||
|
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let direct3d = unsafe { Direct3DCreate9(D3D_SDK_VERSION).unwrap() };
|
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|
|
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Ok(Sample {
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filter: filter.as_ref().to_path_buf(),
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direct3d,
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|
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resources: None,
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|
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})
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|
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}
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|
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}
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|
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impl DXSample for Sample {
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|
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fn bind_to_window(&mut self, hwnd: &HWND) -> Result<()> {
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|
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let device = create_device(&self.direct3d, *hwnd)?;
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|
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let filter = unsafe {
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||
|
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FilterChainD3D9::load_from_path(
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|
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&self.filter,
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|
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&device,
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||
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Some(&FilterChainOptionsD3D9 {
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||
|
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force_no_mipmaps: false,
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||
|
|
disable_cache: true,
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||
|
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}),
|
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|
|
)
|
||
|
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.unwrap()
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||
|
|
};
|
||
|
|
let (vbo, vao) = create_triangle_buffers(&device)?;
|
||
|
|
|
||
|
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let renderbuffer = unsafe {
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||
|
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let mut tex = None;
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||
|
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device.CreateTexture(
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|
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WIDTH as u32,
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||
|
|
HEIGHT as u32,
|
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|
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1,
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||
|
|
D3DUSAGE_RENDERTARGET as u32,
|
||
|
|
D3DFMT_A8R8G8B8,
|
||
|
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D3DPOOL_DEFAULT,
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||
|
|
&mut tex,
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
)?;
|
||
|
|
|
||
|
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tex.unwrap()
|
||
|
|
};
|
||
|
|
|
||
|
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self.resources = Some(Resources {
|
||
|
|
device,
|
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|
|
filter,
|
||
|
|
vbo,
|
||
|
|
vao,
|
||
|
|
frame_end: Instant::now(),
|
||
|
|
frame_start: Instant::now(),
|
||
|
|
elapsed: 0f32,
|
||
|
|
// renderbuffer,
|
||
|
|
// renderbufffer_rtv: render_rtv,
|
||
|
|
// deferred_context: context,
|
||
|
|
// viewport: D3D11_VIEWPORT {
|
||
|
|
// TopLeftX: 0.0,
|
||
|
|
// TopLeftY: 0.0,
|
||
|
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// Width: WIDTH as f32,
|
||
|
|
// Height: HEIGHT as f32,
|
||
|
|
// MinDepth: D3D11_MIN_DEPTH,
|
||
|
|
// MaxDepth: D3D11_MAX_DEPTH,
|
||
|
|
// },
|
||
|
|
// shader_output: None,
|
||
|
|
frame_count: 0usize,
|
||
|
|
renderbuffer,
|
||
|
|
});
|
||
|
|
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
|
||
|
|
// fn resize(&mut self, _w: u32, _h: u32) -> Result<()> {
|
||
|
|
// unsafe {
|
||
|
|
// if let Some(resources) = self.resources.as_mut() {
|
||
|
|
// drop(resources.backbuffer_rtv.take());
|
||
|
|
// drop(resources.backbuffer.take());
|
||
|
|
// resources
|
||
|
|
// .swapchain
|
||
|
|
// .ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, 0)
|
||
|
|
// .unwrap_or_else(|f| eprintln!("{f:?}"));
|
||
|
|
// let (rtv, backbuffer) = create_rtv(&self.device, &resources.swapchain)?;
|
||
|
|
//
|
||
|
|
// resources.backbuffer = Some(backbuffer);
|
||
|
|
// resources.backbuffer_rtv = Some(rtv);
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
// Ok(())
|
||
|
|
// }
|
||
|
|
|
||
|
|
fn render(&mut self) -> Result<()> {
|
||
|
|
let Some(resources) = &mut self.resources else {
|
||
|
|
return Ok(());
|
||
|
|
};
|
||
|
|
|
||
|
|
resources.frame_end = Instant::now();
|
||
|
|
let time = resources.frame_end - resources.frame_start;
|
||
|
|
let time = time.as_secs() as f32 * 1000.0;
|
||
|
|
|
||
|
|
// framelimit set to 60fps
|
||
|
|
if time < (1000.0f32 / 60.0f32) {
|
||
|
|
return Ok(());
|
||
|
|
}
|
||
|
|
|
||
|
|
resources.elapsed += 0.0000001 * time;
|
||
|
|
resources.elapsed %= 6.283_185_5_f32;
|
||
|
|
|
||
|
|
// resources.triangle_uniform_values.model_matrix = Mat4::rotate(Quaternion::axis_angle(Vec3::new(0.0, 0.0, 1.0), resources.elapsed));
|
||
|
|
unsafe {
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetTransform(D3DTS_PROJECTION, IDENTITY_MVP.as_ptr().cast())?;
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetTransform(D3DTS_VIEW, IDENTITY_MVP.as_ptr().cast())?;
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetTransform(D3DTRANSFORMSTATETYPE(256), IDENTITY_MVP.as_ptr().cast())?;
|
||
|
|
|
||
|
|
let rendertarget = resources.renderbuffer.GetSurfaceLevel(0).unwrap();
|
||
|
|
|
||
|
|
let backbuffer = resources
|
||
|
|
.device
|
||
|
|
.GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO)?;
|
||
|
|
|
||
|
|
resources.device.SetRenderTarget(0, &rendertarget)?;
|
||
|
|
|
||
|
|
resources.device.Clear(
|
||
|
|
0,
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
D3DCLEAR_TARGET as u32,
|
||
|
|
0xFF4d6699,
|
||
|
|
0.0,
|
||
|
|
0,
|
||
|
|
)?;
|
||
|
|
|
||
|
|
resources.device.BeginScene()?;
|
||
|
|
|
||
|
|
resources.device.SetStreamSource(
|
||
|
|
0,
|
||
|
|
&resources.vbo,
|
||
|
|
0,
|
||
|
|
std::mem::size_of::<Vertex>() as u32,
|
||
|
|
)?;
|
||
|
|
resources.device.SetVertexDeclaration(&resources.vao)?;
|
||
|
|
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE.0 as u32)?;
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetRenderState(D3DRS_CLIPPING, FALSE.0 as u32)?;
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS.0 as u32)?;
|
||
|
|
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetRenderState(D3DRS_ZENABLE, FALSE.0 as u32)?;
|
||
|
|
resources
|
||
|
|
.device
|
||
|
|
.SetRenderState(D3DRS_LIGHTING, FALSE.0 as u32)?;
|
||
|
|
|
||
|
|
resources.device.DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1)?;
|
||
|
|
|
||
|
|
resources.device.EndScene()?;
|
||
|
|
|
||
|
|
resources
|
||
|
|
.filter
|
||
|
|
.frame(
|
||
|
|
resources.renderbuffer.clone(),
|
||
|
|
&Viewport {
|
||
|
|
x: 0.0,
|
||
|
|
y: 0.0,
|
||
|
|
mvp: None,
|
||
|
|
output: backbuffer.clone(),
|
||
|
|
},
|
||
|
|
0,
|
||
|
|
None,
|
||
|
|
)
|
||
|
|
.unwrap();
|
||
|
|
|
||
|
|
// resources.device.StretchRect(
|
||
|
|
// &rendertarget,
|
||
|
|
// std::ptr::null_mut(),
|
||
|
|
// &backbuffer,
|
||
|
|
// std::ptr::null_mut(),
|
||
|
|
// D3DTEXF_POINT,
|
||
|
|
// )?;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsafe {
|
||
|
|
resources.device.Present(
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
None,
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
)?;
|
||
|
|
}
|
||
|
|
|
||
|
|
resources.frame_count += 1;
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
|
||
|
|
fn resize(&mut self, _w: u32, _h: u32) -> Result<()> {
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn get_vbo_desc() -> [D3DVERTEXELEMENT9; 3] {
|
||
|
|
[
|
||
|
|
D3DVERTEXELEMENT9 {
|
||
|
|
Stream: 0,
|
||
|
|
Offset: 0,
|
||
|
|
Type: D3DDECLTYPE_FLOAT3.0 as u8,
|
||
|
|
Method: D3DDECLMETHOD_DEFAULT.0 as u8,
|
||
|
|
Usage: D3DDECLUSAGE_POSITION.0 as u8,
|
||
|
|
UsageIndex: 0,
|
||
|
|
},
|
||
|
|
D3DVERTEXELEMENT9 {
|
||
|
|
Stream: 0,
|
||
|
|
Offset: (std::mem::size_of::<f32>() * 4) as u16,
|
||
|
|
Type: D3DDECLTYPE_D3DCOLOR.0 as u8,
|
||
|
|
Method: D3DDECLMETHOD_DEFAULT.0 as u8,
|
||
|
|
Usage: D3DDECLUSAGE_COLOR.0 as u8,
|
||
|
|
UsageIndex: 0,
|
||
|
|
},
|
||
|
|
D3DVERTEXELEMENT9 {
|
||
|
|
Stream: 0xFF,
|
||
|
|
Offset: 0,
|
||
|
|
Type: D3DDECLTYPE_UNUSED.0 as u8,
|
||
|
|
Method: 0,
|
||
|
|
Usage: 0,
|
||
|
|
UsageIndex: 0,
|
||
|
|
},
|
||
|
|
]
|
||
|
|
}
|
||
|
|
fn create_triangle_buffers(
|
||
|
|
device: &IDirect3DDevice9,
|
||
|
|
) -> Result<(IDirect3DVertexBuffer9, IDirect3DVertexDeclaration9)> {
|
||
|
|
// let vertices = [
|
||
|
|
// Vertex {
|
||
|
|
// position: [0.5f32, -0.5, 0.0],
|
||
|
|
// color: [1.0, 0.0, 0.0],
|
||
|
|
// },
|
||
|
|
// Vertex {
|
||
|
|
// position: [-0.5, -0.5, 0.0],
|
||
|
|
// color: [0.0, 1.0, 0.0],
|
||
|
|
// },
|
||
|
|
// Vertex {
|
||
|
|
// position: [0.0, 0.5, 0.0],
|
||
|
|
// color: [0.0, 0.0, 1.0],
|
||
|
|
// },
|
||
|
|
// ];
|
||
|
|
|
||
|
|
const TRIANGLE_VERTICES: [Vertex; 3] = [
|
||
|
|
Vertex {
|
||
|
|
position: [0.5, -0.5, 0.0, 1.0],
|
||
|
|
color: 0xFFFF0000,
|
||
|
|
}, // Red
|
||
|
|
Vertex {
|
||
|
|
position: [-0.5, -0.5, 0.0, 1.0],
|
||
|
|
color: 0xFF00FF00,
|
||
|
|
}, // Green
|
||
|
|
Vertex {
|
||
|
|
position: [0.0, 0.5, 0.0, 1.0],
|
||
|
|
color: 0xFF0000FF,
|
||
|
|
}, // Blue
|
||
|
|
];
|
||
|
|
|
||
|
|
unsafe {
|
||
|
|
let mut vb = None;
|
||
|
|
device.CreateVertexBuffer(
|
||
|
|
(std::mem::size_of::<Vertex>() * 3) as u32,
|
||
|
|
0,
|
||
|
|
D3DFVF_XYZW | D3DFVF_DIFFUSE,
|
||
|
|
D3DPOOL_DEFAULT,
|
||
|
|
&mut vb,
|
||
|
|
std::ptr::null_mut(),
|
||
|
|
)?;
|
||
|
|
|
||
|
|
let vb = vb.unwrap();
|
||
|
|
|
||
|
|
let mut vertices = std::ptr::null_mut();
|
||
|
|
vb.Lock(0, 0, &mut vertices, 0)?;
|
||
|
|
std::ptr::copy_nonoverlapping(
|
||
|
|
TRIANGLE_VERTICES.as_ptr() as *const std::ffi::c_void,
|
||
|
|
vertices,
|
||
|
|
std::mem::size_of_val(&TRIANGLE_VERTICES),
|
||
|
|
);
|
||
|
|
vb.Unlock()?;
|
||
|
|
|
||
|
|
let vao = device.CreateVertexDeclaration(get_vbo_desc().as_ptr())?;
|
||
|
|
Ok((vb, vao))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn create_device(d3d9: &IDirect3D9, hwnd: HWND) -> Result<IDirect3DDevice9> {
|
||
|
|
let mut present_params: D3DPRESENT_PARAMETERS = Default::default();
|
||
|
|
present_params.BackBufferWidth = WIDTH as u32;
|
||
|
|
present_params.BackBufferHeight = HEIGHT as u32;
|
||
|
|
present_params.Windowed = TRUE;
|
||
|
|
present_params.SwapEffect = D3DSWAPEFFECT_DISCARD;
|
||
|
|
present_params.hDeviceWindow = hwnd;
|
||
|
|
present_params.BackBufferFormat = D3DFMT_UNKNOWN;
|
||
|
|
present_params.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE as u32;
|
||
|
|
|
||
|
|
let mut device = None;
|
||
|
|
|
||
|
|
unsafe {
|
||
|
|
// d3d9.CreateDevice(
|
||
|
|
// D3DADAPTER_DEFAULT,
|
||
|
|
// D3DDEVTYPE_HAL,
|
||
|
|
// present_params.hDeviceWindow,
|
||
|
|
// D3DCREATE_HARDWARE_VERTEXPROCESSING as u32,
|
||
|
|
// &mut present_params,
|
||
|
|
// &mut device,
|
||
|
|
// )?;
|
||
|
|
|
||
|
|
d3d9.CreateDevice(
|
||
|
|
D3DADAPTER_DEFAULT,
|
||
|
|
D3DDEVTYPE_HAL,
|
||
|
|
present_params.hDeviceWindow,
|
||
|
|
D3DCREATE_HARDWARE_VERTEXPROCESSING as u32,
|
||
|
|
&mut present_params,
|
||
|
|
&mut device,
|
||
|
|
)?;
|
||
|
|
}
|
||
|
|
|
||
|
|
Ok(device.unwrap())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn main<S: DXSample>(sample: S) -> Result<()> {
|
||
|
|
run_sample(sample)?;
|
||
|
|
|
||
|
|
Ok(())
|
||
|
|
}
|