PyTouhou: examples/stdrenderer.rs annotate

annotate examples/stdrenderer.rs @ 700:ccb739c5b66c

examples: factorise file reading into a buffer.

author	Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date	Fri, 23 Aug 2019 13:05:48 +0200
parents	ef2dbd676a91
children	b6c351ca0a35

rev	line source
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	1 use image::GenericImageView;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	2 use luminance::context::GraphicsContext;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	3 use luminance::framebuffer::Framebuffer;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	4 use luminance::pipeline::BoundTexture;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	5 use luminance::pixel::{NormRGB8UI, Floating};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	6 use luminance::render_state::RenderState;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	7 use luminance::shader::program::{Program, Uniform};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	8 use luminance::tess::{Mode, TessBuilder, TessSliceIndex};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	9 use luminance::texture::{Dim2, Flat, Sampler, Texture, GenMipmaps};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	10 use luminance_derive::{Semantics, Vertex, UniformInterface};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	11 use luminance_glfw::event::{Action, Key, WindowEvent};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	12 use luminance_glfw::surface::{GlfwSurface, Surface, WindowDim, WindowOpt};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	13 use touhou::th06::anm0::Anm0;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	14 use touhou::th06::anm0_vm::{AnmRunner, Sprite, Vertex as FakeVertex};
680 ef2dbd676a91 Add missing quad size override to stdrenderer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 679 diff changeset	15 use touhou::th06::std::{Stage, Position, Box2D};
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	16 use touhou::th06::std_vm::StageRunner;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	17 use touhou::util::prng::Prng;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	18 use touhou::util::math::perspective;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	19 use std::cell::RefCell;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	20 use std::fs::File;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	21 use std::io::{BufReader, Read};
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	22 use std::rc::Rc;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	23 use std::env;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	24 use std::path::Path;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	25
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	26 const VS: &str = r#"
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	27 in ivec3 in_position;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	28 in vec2 in_texcoord;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	29 in uvec4 in_color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	30
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	31 uniform mat4 mvp;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	32 uniform vec3 instance_position;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	33
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	34 out vec2 texcoord;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	35 out vec4 color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	36
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	37 void main()
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	38 {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	39 vec3 position = vec3(in_position) + instance_position;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	40 gl_Position = mvp * vec4(position, 1.0);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	41 texcoord = vec2(in_texcoord);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	42
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	43 // Normalized from the u8 being passed.
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	44 color = vec4(in_color) / 255.;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	45 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	46 "#;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	47
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	48 const FS: &str = r#"
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	49 in vec2 texcoord;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	50 in vec4 color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	51
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	52 uniform sampler2D color_map;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	53 uniform float fog_scale;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	54 uniform float fog_end;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	55 uniform vec4 fog_color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	56
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	57 out vec4 frag_color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	58
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	59 void main()
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	60 {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	61 vec4 temp_color = texture(color_map, texcoord) * color;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	62 float depth = gl_FragCoord.z / gl_FragCoord.w;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	63 float fog_density = clamp((fog_end - depth) * fog_scale, 0.0, 1.0);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	64 frag_color = vec4(mix(fog_color, temp_color, fog_density).rgb, temp_color.a);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	65 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	66 "#;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	67
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	68 #[derive(Clone, Copy, Debug, Eq, PartialEq, Semantics)]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	69 pub enum Semantics {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	70 #[sem(name = "in_position", repr = "[i16; 3]", wrapper = "VertexPosition")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	71 Position,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	72
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	73 #[sem(name = "in_texcoord", repr = "[f32; 2]", wrapper = "VertexTexcoord")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	74 Texcoord,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	75
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	76 #[sem(name = "in_color", repr = "[u8; 4]", wrapper = "VertexColor")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	77 Color,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	78 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	79
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	80 #[repr(C)]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	81 #[derive(Clone, Copy, Debug, PartialEq, Vertex)]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	82 #[vertex(sem = "Semantics")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	83 struct Vertex {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	84 pos: VertexPosition,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	85 uv: VertexTexcoord,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	86 rgba: VertexColor,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	87 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	88
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	89 #[derive(UniformInterface)]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	90 struct ShaderInterface {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	91 // the 'static lifetime acts as “anything” here
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	92 color_map: Uniform<&'static BoundTexture<'static, Flat, Dim2, Floating>>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	93
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	94 #[uniform(name = "mvp")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	95 mvp: Uniform<[[f32; 4]; 4]>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	96
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	97 #[uniform(name = "instance_position")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	98 instance_position: Uniform<[f32; 3]>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	99
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	100 #[uniform(name = "fog_scale")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	101 fog_scale: Uniform<f32>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	102
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	103 #[uniform(name = "fog_end")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	104 fog_end: Uniform<f32>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	105
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	106 #[uniform(name = "fog_color")]
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	107 fog_color: Uniform<[f32; 4]>,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	108 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	109
700 ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	110 fn load_file_into_vec(filename: &str) -> Vec<u8> {
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	111 let file = File::open(filename).unwrap();
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	112 let mut file = BufReader::new(file);
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	113 let mut buf = vec![];
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	114 file.read_to_end(&mut buf).unwrap();
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	115 buf
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	116 }
ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	117
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	118 fn main() {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	119 // Parse arguments.
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	120 let args: Vec<_> = env::args().collect();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	121 if args.len() != 4 {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	122 eprintln!("Usage: {} <STD file> <ANM file> <PNG file>", args[0]);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	123 return;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	124 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	125 let std_filename = &args[1];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	126 let anm_filename = &args[2];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	127 let png_filename = &args[3];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	128
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	129 // Open the STD file.
700 ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	130 let buf = load_file_into_vec(std_filename);
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	131 let (_, stage) = Stage::from_slice(&buf).unwrap();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	132
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	133 // Open the ANM file.
700 ccb739c5b66c examples: factorise file reading into a buffer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 680 diff changeset	134 let buf = load_file_into_vec(anm_filename);
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	135 let anm0 = Anm0::from_slice(&buf).unwrap();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	136
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	137 // TODO: seed this PRNG with a valid seed.
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	138 let prng = Rc::new(RefCell::new(Prng::new(0)));
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	139
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	140 assert_eq!(std::mem::size_of::<Vertex>(), std::mem::size_of::<FakeVertex>());
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	141 let mut vertices: Vec<Vertex> = vec![];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	142 let mut indices = vec![];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	143
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	144 {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	145 for model in stage.models.iter() {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	146 let begin = vertices.len();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	147 for quad in model.quads.iter() {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	148 let Position { x, y, z } = quad.pos;
680 ef2dbd676a91 Add missing quad size override to stdrenderer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 679 diff changeset	149 let Box2D { width, height } = quad.size_override;
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	150
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	151 // Create the AnmRunner from the ANM and the sprite.
680 ef2dbd676a91 Add missing quad size override to stdrenderer. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 679 diff changeset	152 let sprite = Rc::new(RefCell::new(Sprite::with_size(width, height)));
679 6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	153 let _anm_runner = AnmRunner::new(&anm0, quad.anm_script as u8, sprite.clone(), Rc::downgrade(&prng), 0);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	154 let mut new_vertices: [Vertex; 6] = unsafe { std::mem::uninitialized() };
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	155 fill_vertices(sprite.clone(), &mut new_vertices, x, y, z);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	156 new_vertices[4] = new_vertices[0];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	157 new_vertices[5] = new_vertices[2];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	158 vertices.extend(&new_vertices);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	159 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	160 let end = vertices.len();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	161 indices.push((begin, end));
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	162 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	163 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	164
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	165 let mut stage_runner = StageRunner::new(Rc::new(RefCell::new(stage)));
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	166
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	167 let mut surface = GlfwSurface::new(WindowDim::Windowed(384, 448), "Touhou", WindowOpt::default()).unwrap();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	168
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	169 // Open the image atlas matching this ANM.
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	170 let tex = load_from_disk(&mut surface, Path::new(png_filename)).expect("texture loading");
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	171
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	172 // set the uniform interface to our type so that we can read textures from the shader
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	173 let (program, _) =
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	174 Program::<Semantics, (), ShaderInterface>::from_strings(None, VS, None, FS).expect("program creation");
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	175
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	176 let tess = TessBuilder::new(&mut surface)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	177 .add_vertices(vertices)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	178 .set_mode(Mode::Triangle)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	179 .build()
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	180 .unwrap();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	181
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	182 let mut back_buffer = Framebuffer::back_buffer(surface.size());
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	183
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	184 'app: loop {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	185 for event in surface.poll_events() {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	186 match event {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	187 WindowEvent::Close \| WindowEvent::Key(Key::Escape, _, Action::Release, _) => break 'app,
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	188
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	189 WindowEvent::FramebufferSize(width, height) => {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	190 back_buffer = Framebuffer::back_buffer([width as u32, height as u32]);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	191 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	192
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	193 _ => (),
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	194 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	195 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	196
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	197 {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	198 stage_runner.run_frame();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	199 //let sprites = stage.get_sprites();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	200 //fill_vertices_ptr(sprites, slice.as_mut_ptr());
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	201 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	202
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	203 // here, we need to bind the pipeline variable; it will enable us to bind the texture to the GPU
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	204 // and use it in the shader
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	205 surface
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	206 .pipeline_builder()
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	207 .pipeline(&back_buffer, [0., 0., 0., 0.], \|pipeline, shd_gate\| {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	208 // bind our fancy texture to the GPU: it gives us a bound texture we can use with the shader
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	209 let bound_tex = pipeline.bind_texture(&tex);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	210
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	211 shd_gate.shade(&program, \|rdr_gate, iface\| {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	212 // update the texture; strictly speaking, this update doesn’t do much: it just tells the GPU
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	213 // to use the texture passed as argument (no allocation or copy is performed)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	214 iface.color_map.update(&bound_tex);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	215
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	216 let proj = perspective(0.5235987755982988, 384. / 448., 101010101./2010101., 101010101./10101.);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	217 let model_view = stage_runner.get_model_view();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	218 let mvp = model_view * proj;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	219 // TODO: check how to pass by reference.
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	220 iface.mvp.update(*mvp.borrow_inner());
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	221
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	222 let near = stage_runner.fog_near - 101010101. / 2010101.;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	223 let far = stage_runner.fog_far - 101010101. / 2010101.;
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	224 iface.fog_color.update(stage_runner.fog_color);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	225 iface.fog_scale.update(1. / (far - near));
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	226 iface.fog_end.update(far);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	227
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	228 let stage = stage_runner.stage.borrow();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	229 for instance in stage.instances.iter() {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	230 iface.instance_position.update([instance.pos.x, instance.pos.y, instance.pos.z]);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	231
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	232 rdr_gate.render(RenderState::default(), \|tess_gate\| {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	233 let (begin, end) = indices[instance.id as usize];
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	234 tess_gate.render(&mut surface, tess.slice(begin..end));
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	235 });
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	236 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	237 });
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	238 });
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	239
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	240 surface.swap_buffers();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	241 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	242 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	243
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	244 fn fill_vertices(sprite: Rc<RefCell<Sprite>>, vertices: &mut [Vertex; 6], x: f32, y: f32, z: f32) {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	245 let mut fake_vertices = unsafe { std::mem::transmute::<&mut [Vertex; 6], &mut [FakeVertex; 4]>(vertices) };
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	246 let sprite = sprite.borrow();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	247 sprite.fill_vertices(&mut fake_vertices, x, y, z);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	248 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	249
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	250 fn load_from_disk(surface: &mut GlfwSurface, path: &Path) -> Option<Texture<Flat, Dim2, NormRGB8UI>> {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	251 // load the texture into memory as a whole bloc (i.e. no streaming)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	252 match image::open(&path) {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	253 Ok(img) => {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	254 let (width, height) = img.dimensions();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	255 let texels = img
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	256 .pixels()
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	257 .map(\|(_x, _y, rgb)\| (rgb[0], rgb[1], rgb[2]))
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	258 .collect::<Vec<_>>();
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	259
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	260 // create the luminance texture; the third argument is the number of mipmaps we want (leave it
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	261 // to 0 for now) and the latest is a the sampler to use when sampling the texels in the
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	262 // shader (we’ll just use the default one)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	263 let tex =
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	264 Texture::new(surface, [width, height], 0, &Sampler::default()).expect("luminance texture creation");
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	265
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	266 // the first argument disables mipmap generation (we don’t care so far)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	267 tex.upload(GenMipmaps::No, &texels);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	268
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	269 Some(tex)
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	270 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	271
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	272 Err(e) => {
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	273 eprintln!("cannot open image {}: {}", path.display(), e);
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	274 None
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	275 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	276 }
6020e33d4fc4 Implement a .std renderer, and its associated VM. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	277 }

Mercurial > touhou

annotate examples/stdrenderer.rs @ 700:ccb739c5b66c