// wearechat - generic multiplayer game with voip // Copyright (C) 2025 metamuffin // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU Affero General Public License as published by // the Free Software Foundation, version 3 of the License only. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Affero General Public License for more details. // // You should have received a copy of the GNU Affero General Public License // along with this program. If not, see . struct VertexIn { @location(0) pos: vec2, @location(1) uv: vec2, @location(2) color: u32, } struct VertexOut { @builtin(position) clip: vec4, @location(0) uv: vec2, @location(1) color: vec4, } @group(0) @binding(0) var texture: texture_2d; @group(0) @binding(1) var texture_sampler: sampler; var project: mat4x4; fn unpack_color(color: u32) -> vec4 { return vec4( f32(color & 255u), f32((color >> 8u) & 255u), f32((color >> 16u) & 255u), f32((color >> 24u) & 255u), ) / 255.0; } @vertex fn vs_main(@builtin(vertex_index) vindex: u32, vi: VertexIn) -> VertexOut { var clip = project * vec4(vi.pos, 0., 1.); let vo = VertexOut(clip, vi.uv, unpack_color(vi.color)); return vo; } @fragment fn fs_main(vo: VertexOut) -> @location(0) vec4 { return pow(textureSample(texture, texture_sampler, vo.uv) * vo.color, vec4(2.2)); }