altagos.dev
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small stuff
+41
-41
+12
-9
build.zig
+12
-9
build.zig
···
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.enable = enable_spall,
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});
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const strip = b.option(bool, "strip", "") orelse false;
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const strip = b.option(bool, "strip", "") orelse (optimize != .Debug);
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const rayray = b.addModule("rayray", .{
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.root_source_file = .{ .path = "src/rayray.zig" },
···
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});
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exe.root_module.strip = strip;
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addDeps(b, &exe.root_module);
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// addDeps(b, &exe.root_module);
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exe.root_module.addImport("spall", spall.module("spall"));
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exe.root_module.addImport("rayray", rayray);
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const alib = b.dependency("a", .{
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.log_ignore_default = true,
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});
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exe.root_module.addImport("a", alib.module("a"));
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+
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b.installArtifact(exe);
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const run_cmd = b.addRunArtifact(exe);
···
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}
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fn addDeps(b: *std.Build, module: *std.Build.Module) void {
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const alib = b.dependency("a", .{
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.log_ignore_default = true,
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});
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module.addImport("a", alib.module("a"));
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-
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const zmath = b.dependency("zmath", .{
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.enable_cross_platform_determinism = true,
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.optimize = .ReleaseFast,
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.enable_cross_platform_determinism = false,
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});
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module.addImport("zmath", zmath.module("root"));
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const zigimg = b.dependency("zigimg", .{});
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const zigimg = b.dependency("zigimg", .{
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.optimize = .ReleaseFast,
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});
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module.addImport("zigimg", zigimg.module("zigimg"));
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}
+1
-2
src/BVH.zig
+1
-2
src/BVH.zig
+2
-8
src/hittable.zig
+2
-8
src/hittable.zig
···
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pub fn boundingBox(self: *Hittable) AABB {
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switch (self.*) {
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.sphere => |*s| return s[0].boundingBox(),
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+
inline else => |*n| return n[0].boundingBox(),
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}
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}
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···
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pub inline fn hit(self: *Hittable, r: *Ray, ray_t: IntervalF32) ?HitRecord {
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switch (self.*) {
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.sphere => |*s| {
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// std.log.debug("try to hit Sphere: {}", .{s});
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// std.log.info("hitting sphere with mat: {}", .{s.mat});
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return s[0].hit(r, ray_t);
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},
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inline else => |*n| return n[0].hit(r, ray_t),
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}
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-
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return null;
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}
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};
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+1
-1
src/hittable/sphere.zig
+1
-1
src/hittable/sphere.zig
+6
-6
src/main.zig
+6
-6
src/main.zig
···
2
2
3
3
const aa = @import("a");
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const spall = @import("spall");
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const zm = @import("zmath");
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const rayray = @import("rayray");
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const Hittable = rayray.hittable.Hittable;
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const HittableList = rayray.hittable.HittableList;
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const Material = rayray.material.Material;
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const Sphere = rayray.hittable.Sphere;
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+
const zm = rayray.zmath;
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const scences = @import("scences.zig");
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···
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// Raytracing part
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var raytracer = try rayray.Raytracer.init(allocator, scence.world, .{
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.aspect_ratio = 16.0 / 9.0,
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-
.image_width = 400,
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.samples_per_pixel = 100,
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.max_depth = 50,
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+
.image_width = 4000,
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.samples_per_pixel = 500,
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.max_depth = 100,
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.vfov = 20,
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.look_from = zm.f32x4(13, 2, 3, 0),
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.look_from = zm.f32x4(20, 6, 6, 0),
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.look_at = zm.f32x4(0, 0, 0, 0),
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.defocus_angle = 0.6,
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-
.focus_dist = 10,
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+
.focus_dist = 18,
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});
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defer raytracer.deinit();
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+8
-3
src/rayray.zig
+8
-3
src/rayray.zig
···
1
1
const std = @import("std");
2
2
3
+
pub const zmath = @import("zmath");
4
+
3
5
const spall = @import("spall");
4
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const zigimg = @import("zigimg");
5
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const color = zigimg.color;
···
7
9
pub const BVH = @import("BVH.zig");
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pub const Camera = @import("Camera.zig");
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pub const hittable = @import("hittable.zig");
10
-
const IntervalUsize = @import("interval.zig").IntervalUsize;
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+
pub const interval = @import("interval.zig");
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const IntervalUsize = interval.IntervalUsize;
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pub const material = @import("material.zig");
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pub const tracer = @import("tracer.zig");
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pub const util = @import("util.zig");
···
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108
.terminal = stderr,
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.supports_ansi_escape_codes = true,
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};
108
-
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var node = progress.start("Rendered Chunks", num_chunks);
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node.setCompletedItems(0);
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node.context.refresh();
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+
115
+
var completed_chunks: u64 = 0;
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while (true) {
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var done = true;
···
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if (task_done and !t.marked_as_done) {
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t.marked_as_done = true;
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node.completeOne();
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try self.camera.image.writeToFilePath("./out/out.png", .{ .png = .{} });
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+
completed_chunks += 1;
127
+
if (completed_chunks % self.thread_pool.threads.len == 0) try self.camera.image.writeToFilePath("./out/out.png", .{ .png = .{} });
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} else if (!task_done) {
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done = false;
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}
+4
-5
src/scences/in_one_weekend.zig
+4
-5
src/scences/in_one_weekend.zig
···
1
1
const std = @import("std");
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3
-
const zm = @import("zmath");
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-
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const rayray = @import("rayray");
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4
const Hittable = rayray.hittable.Hittable;
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const HittableList = rayray.hittable.HittableList;
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const Material = rayray.material.Material;
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const Sphere = rayray.hittable.Sphere;
8
+
const zm = rayray.zmath;
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world: HittableList,
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allocator: std.mem.Allocator,
···
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material_ground.* = Material.lambertian(zm.f32x4(0.5, 0.5, 0.5, 1.0));
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try world.add(Hittable.sphere("Ground", Sphere{ .center = zm.f32x4(0, -1000, 0, 0), .radius = 1000, .mat = material_ground }));
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-
var a: isize = -22;
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-
while (a < 22) : (a += 1) {
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+
var a: isize = -33;
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+
while (a < 11) : (a += 1) {
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var b: isize = -22;
24
-
while (b < 22) : (b += 1) {
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+
while (b < 7) : (b += 1) {
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const choose_mat = rayray.util.randomF32();
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const center = zm.f32x4(
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@as(f32, @floatFromInt(a)) + 0.9 * rayray.util.randomF32(),
+7
-7
src/tracer.zig
+7
-7
src/tracer.zig
···
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}
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}
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63
+
const zero = zm.f32x4s(0.0);
64
+
const nearly_one = zm.f32x4s(0.999);
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+
const v256 = zm.f32x4s(256);
66
+
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inline fn vecToRgba(v: zm.Vec, samples_per_pixel: usize) zigimg.color.Rgba32 {
64
-
var rgba = linearToGamma(zm.Vec, v / zm.f32x4s(@as(f32, @floatFromInt(samples_per_pixel))));
65
-
rgba = zm.clampFast(rgba, zm.f32x4s(0.0), zm.f32x4s(0.999));
66
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rgba = rgba * zm.f32x4s(256);
68
+
var rgba = zm.sqrt(v / zm.f32x4s(@as(f32, @floatFromInt(samples_per_pixel)))); // linear to gamma
69
+
rgba = zm.clampFast(rgba, zero, nearly_one);
70
+
rgba = rgba * v256;
67
71
68
72
return zigimg.color.Rgba32.initRgba(
69
73
@intFromFloat(rgba[0]),
···
72
76
@intFromFloat(rgba[3]),
73
77
);
74
78
}
75
-
76
-
inline fn linearToGamma(comptime T: type, linear_component: T) T {
77
-
return @sqrt(linear_component);
78
-
}