diff options
Diffstat (limited to 'WebInterface/wasm/asm-paint/src/lib.rs')
-rw-r--r-- | WebInterface/wasm/asm-paint/src/lib.rs | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/WebInterface/wasm/asm-paint/src/lib.rs b/WebInterface/wasm/asm-paint/src/lib.rs index 945f2b1..6c773c5 100644 --- a/WebInterface/wasm/asm-paint/src/lib.rs +++ b/WebInterface/wasm/asm-paint/src/lib.rs @@ -18,122 +18,3 @@ pub fn entry() { let mut app = app::App::new().unwrap(); app.run(); } - -/* -use js_sys::WebAssembly; -use wasm_bindgen::prelude::*; -use wasm_bindgen::JsCast; -use web_sys::{WebGlProgram, WebGlRenderingContext, WebGlShader}; - -#[wasm_bindgen(start)] -pub fn start() -> Result<(), JsValue> { - let document = web_sys::window().unwrap().document().unwrap(); - let canvas = document.get_element_by_id("canvas").unwrap(); - let canvas: web_sys::HtmlCanvasElement = canvas.dyn_into::<web_sys::HtmlCanvasElement>()?; - - let context = canvas - .get_context("webgl")? - .unwrap() - .dyn_into::<WebGlRenderingContext>()?; - - let vert_shader = compile_shader( - &context, - WebGlRenderingContext::VERTEX_SHADER, - r#" - attribute vec4 position; - void main() { - gl_Position = position; - } - "#, - )?; - let frag_shader = compile_shader( - &context, - WebGlRenderingContext::FRAGMENT_SHADER, - r#" - void main() { - gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0); - } - "#, - )?; - let program = link_program(&context, &vert_shader, &frag_shader)?; - context.use_program(Some(&program)); - - let vertices: [f32; 9] = [-0.7, -0.7, 0.0, 0.7, -0.7, 0.0, 0.0, 0.7, 0.0]; - let memory_buffer = wasm_bindgen::memory() - .dyn_into::<WebAssembly::Memory>()? - .buffer(); - let vertices_location = vertices.as_ptr() as u32 / 4; - let vert_array = js_sys::Float32Array::new(&memory_buffer) - .subarray(vertices_location, vertices_location + vertices.len() as u32); - - let buffer = context.create_buffer().ok_or("failed to create buffer")?; - context.bind_buffer(WebGlRenderingContext::ARRAY_BUFFER, Some(&buffer)); - context.buffer_data_with_array_buffer_view( - WebGlRenderingContext::ARRAY_BUFFER, - &vert_array, - WebGlRenderingContext::STATIC_DRAW, - ); - context.vertex_attrib_pointer_with_i32(0, 3, WebGlRenderingContext::FLOAT, false, 0, 0); - context.enable_vertex_attrib_array(0); - - context.clear_color(0.0, 0.0, 0.0, 1.0); - context.clear(WebGlRenderingContext::COLOR_BUFFER_BIT); - - context.draw_arrays( - WebGlRenderingContext::TRIANGLES, - 0, - (vertices.len() / 3) as i32, - ); - Ok(()) -} - -pub fn compile_shader( - context: &WebGlRenderingContext, - shader_type: u32, - source: &str, -) -> Result<WebGlShader, String> { - let shader = context - .create_shader(shader_type) - .ok_or_else(|| String::from("Unable to create shader object"))?; - context.shader_source(&shader, source); - context.compile_shader(&shader); - - if context - .get_shader_parameter(&shader, WebGlRenderingContext::COMPILE_STATUS) - .as_bool() - .unwrap_or(false) - { - Ok(shader) - } else { - Err(context - .get_shader_info_log(&shader) - .unwrap_or_else(|| String::from("Unknown error creating shader"))) - } -} - -pub fn link_program( - context: &WebGlRenderingContext, - vert_shader: &WebGlShader, - frag_shader: &WebGlShader, -) -> Result<WebGlProgram, String> { - let program = context - .create_program() - .ok_or_else(|| String::from("Unable to create shader object"))?; - - context.attach_shader(&program, vert_shader); - context.attach_shader(&program, frag_shader); - context.link_program(&program); - - if context - .get_program_parameter(&program, WebGlRenderingContext::LINK_STATUS) - .as_bool() - .unwrap_or(false) - { - Ok(program) - } else { - Err(context - .get_program_info_log(&program) - .unwrap_or_else(|| String::from("Unknown error creating program object"))) - } -} -*/ |