aolo2
/
desk2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Do not upload buffers each frame (DUH!), re-introduce dynamic data, set headers in caddy to enable precise timings

ssao
A.Olokhtonov 1 year ago
parent
605500028a
commit
eefbb8ef75
7 changed files with 116 additions and 58 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 7
      Caddyfile
  2. 24
      client/index.html
  3. 14
      client/index.js
  4. 2
      client/math.js
  5. 72
      client/webgl_draw.js
  6. 48
      client/webgl_geometry.js
  7. 5
      client/webgl_shaders.js

7
Caddyfile
Unescape View File

@ -1,4 +1,9 @@ @@ -1,4 +1,9 @@
http://192.168.100.2 {
desk.local {
header {
Cross-Origin-Opener-Policy same-origin
Cross-Origin-Embedder-Policy require-corp
}
redir /ws /ws/
redir /desk /desk/

24
client/index.html
Unescape View File

@ -7,20 +7,20 @@ @@ -7,20 +7,20 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="shortcut icon" href="icons/favicon.svg" id="favicon">
<link rel="stylesheet" type="text/css" href="default.css?v=42">
<link rel="stylesheet" type="text/css" href="default.css?v=45">
<script type="text/javascript" src="aux.js?v=42"></script>
<script type="text/javascript" src="math.js?v=42"></script>
<script type="text/javascript" src="tools.js?v=42"></script>
<script type="text/javascript" src="webgl_geometry.js?v=42"></script>
<script type="text/javascript" src="webgl_shaders.js?v=42"></script>
<script type="text/javascript" src="webgl_listeners.js?v=42"></script>
<script type="text/javascript" src="webgl_draw.js?v=42"></script>
<script type="text/javascript" src="index.js?v=42"></script>
<script type="text/javascript" src="aux.js?v=45"></script>
<script type="text/javascript" src="math.js?v=45"></script>
<script type="text/javascript" src="tools.js?v=45"></script>
<script type="text/javascript" src="webgl_geometry.js?v=45"></script>
<script type="text/javascript" src="webgl_shaders.js?v=45"></script>
<script type="text/javascript" src="webgl_listeners.js?v=45"></script>
<script type="text/javascript" src="webgl_draw.js?v=45"></script>
<script type="text/javascript" src="index.js?v=45"></script>
<script type="text/javascript" src="client_send.js?v=42"></script>
<script type="text/javascript" src="client_recv.js?v=42"></script>
<script type="text/javascript" src="websocket.js?v=42"></script>
<script type="text/javascript" src="client_send.js?v=45"></script>
<script type="text/javascript" src="client_recv.js?v=45"></script>
<script type="text/javascript" src="websocket.js?v=45"></script>
</head>
<body>
<div class="main">

14
client/index.js
Unescape View File

@ -1,9 +1,9 @@ @@ -1,9 +1,9 @@
document.addEventListener('DOMContentLoaded', main);
const config = {
ws_url: 'ws://192.168.100.2/ws/',
ping_url: 'http://192.168.100.2/api/ping',
image_url: 'http://192.168.100.2/images/',
ws_url: 'wss://desk.local/ws/',
ping_url: 'https://desk.local/api/ping',
image_url: 'https://desk.local/images/',
sync_timeout: 1000,
ws_reconnect_timeout: 2000,
brush_preview_timeout: 1000,
@ -17,6 +17,8 @@ const config = { @@ -17,6 +17,8 @@ const config = {
default_width: 8,
bytes_per_point: 8 * 4,
initial_static_bytes: 4096 * 16,
initial_dynamic_bytes: 4096,
frametime_window_size: 100,
};
const EVENT = Object.freeze({
@ -109,6 +111,11 @@ function main() { @@ -109,6 +111,11 @@ function main() {
'canvas': null,
'gl': null,
'debug_mode': false,
'frametime_window': [],
'frametime_window_head': 0,
'need_static_upload': true,
'need_dynamic_upload': false,
'programs': {},
'buffers': {},
@ -116,6 +123,7 @@ function main() { @@ -116,6 +123,7 @@ function main() {
'textures': {},
'static_serializer': serializer_create(config.initial_static_bytes),
'dynamic_serializer': serializer_create(config.initial_dynamic_bytes),
'bgcolor': {'r': 1.0, 'g': 1.0, 'b': 1.0},

2
client/math.js
Unescape View File

@ -7,7 +7,7 @@ function screen_to_canvas(state, p) { @@ -7,7 +7,7 @@ function screen_to_canvas(state, p) {
}
function rdp_find_max(state, points, start, end) {
const EPS = 0.5 / Math.pow(state.canvas.zoom, 0.5);
const EPS = 0.5 / Math.pow(state.canvas.zoom, 0.25);
// const EPS = 10.0;
let result = -1;

72
client/webgl_draw.js
Unescape View File

@ -12,6 +12,9 @@ function draw(state, context) { @@ -12,6 +12,9 @@ function draw(state, context) {
const width = window.innerWidth;
const height = window.innerHeight;
const frame_start = performance.now();
const sync = gl.fenceSync(gl.SYNC_GPU_COMMANDS_COMPLETE, 0);
let locations;
let buffers;
@ -25,31 +28,68 @@ function draw(state, context) { @@ -25,31 +28,68 @@ function draw(state, context) {
gl.useProgram(context.programs['sdf']);
gl.bindBuffer(gl.ARRAY_BUFFER, buffers['b_packed']);
gl.uniform2f(locations['u_res'], context.canvas.width, context.canvas.height);
gl.uniform2f(locations['u_scale'], state.canvas.zoom, state.canvas.zoom);
gl.uniform2f(locations['u_translation'], state.canvas.offset.x, state.canvas.offset.y);
gl.uniform1i(locations['u_debug_mode'], context.debug_mode ? 1 : 0);
const static_points = context.static_serializer.offset / config.bytes_per_point;
const dynamic_points = context.dynamic_serializer.offset / config.bytes_per_point;
if (static_points > 0) {
gl.bindBuffer(gl.ARRAY_BUFFER, buffers['b_packed_static']);
gl.enableVertexAttribArray(locations['a_pos']);
gl.enableVertexAttribArray(locations['a_line']);
gl.enableVertexAttribArray(locations['a_color']);
gl.vertexAttribPointer(locations['a_pos'], 3, gl.FLOAT, false, config.bytes_per_point, 0);
gl.vertexAttribPointer(locations['a_line'], 4, gl.FLOAT, false, config.bytes_per_point, 4 * 3);
gl.vertexAttribPointer(locations['a_color'], 3, gl.UNSIGNED_BYTE, true, config.bytes_per_point, 4 * 3 + 4 * 4);
gl.enableVertexAttribArray(locations['a_pos']);
gl.enableVertexAttribArray(locations['a_line']);
gl.enableVertexAttribArray(locations['a_color']);
if (context.need_static_upload) {
gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array(context.static_serializer.buffer, 0, context.static_serializer.offset), gl.STATIC_DRAW);
context.need_static_upload = false;
}
gl.vertexAttribPointer(locations['a_pos'], 3, gl.FLOAT, false, config.bytes_per_point, 0);
gl.vertexAttribPointer(locations['a_line'], 4, gl.FLOAT, false, config.bytes_per_point, 4 * 3);
gl.vertexAttribPointer(locations['a_color'], 3, gl.UNSIGNED_BYTE, true, config.bytes_per_point, 4 * 3 + 4 * 4);
gl.drawArrays(gl.TRIANGLES, 0, static_points);
}
if (dynamic_points > 0) {
gl.bindBuffer(gl.ARRAY_BUFFER, buffers['b_packed_dynamic']);
const npoints = context.static_serializer.offset / config.bytes_per_point;
gl.enableVertexAttribArray(locations['a_pos']);
gl.enableVertexAttribArray(locations['a_line']);
gl.enableVertexAttribArray(locations['a_color']);
// TODO: if changed
gl.vertexAttribPointer(locations['a_pos'], 3, gl.FLOAT, false, config.bytes_per_point, 0);
gl.vertexAttribPointer(locations['a_line'], 4, gl.FLOAT, false, config.bytes_per_point, 4 * 3);
gl.vertexAttribPointer(locations['a_color'], 3, gl.UNSIGNED_BYTE, true, config.bytes_per_point, 4 * 3 + 4 * 4);
if (npoints > 0) {
gl.uniform2f(locations['u_res'], context.canvas.width, context.canvas.height);
gl.uniform2f(locations['u_scale'], state.canvas.zoom, state.canvas.zoom);
gl.uniform2f(locations['u_translation'], state.canvas.offset.x, state.canvas.offset.y);
gl.uniform1i(locations['u_debug_mode'], context.debug_mode ? 1 : 0);
if (context.need_dynamic_upload) {
gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array(context.dynamic_serializer.buffer, 0, context.dynamic_serializer.offset), gl.STATIC_DRAW);
context.need_dynamic_upload = false;
}
gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array(context.static_serializer.buffer, 0, context.static_serializer.offset), gl.STATIC_DRAW);
gl.drawArrays(gl.TRIANGLES, 0, dynamic_points);
}
gl.drawArrays(gl.TRIANGLES, 0, npoints);
const next_tick = () => {
const wait_status = gl.clientWaitSync(sync, 0, 0);
const frame_end = performance.now();
if (wait_status === gl.ALREADY_SIGNALED || wait_status === gl.CONDITION_SATISFIED) {
const frametime_ms = frame_end - frame_start;
gl.deleteSync(sync);
console.debug(frametime_ms);
} else {
setTimeout(next_tick, 0);
}
}
setTimeout(next_tick, 0);
// Images
// locations = context.locations['image'];
// buffers = context.buffers['image'];

48
client/webgl_geometry.js
Unescape View File

@ -22,7 +22,7 @@ function push_quad(s, p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y, ax, ay, bx, by, th @@ -22,7 +22,7 @@ function push_quad(s, p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y, ax, ay, bx, by, th
push_point(s, p2x, p2y, ax, ay, bx, by, thickness, r, g, b);
}
function push_stroke(context, stroke) {
function push_stroke(s, stroke) {
// if (stroke.stroke_id !== 1123776468) {
// return;
// }
@ -66,7 +66,7 @@ function push_stroke(context, stroke) { @@ -66,7 +66,7 @@ function push_stroke(context, stroke) {
let p4_x = to.x + (-up_x + dir1_x) * radius;
let p4_y = to.y + (-up_y + dir1_y) * radius;
push_quad(context.static_serializer,
push_quad(s,
p1_x, p1_y,
p2_x, p2_y,
p3_x, p3_y,
@ -103,7 +103,9 @@ function geometry_add_stroke(state, context, stroke) { @@ -103,7 +103,9 @@ function geometry_add_stroke(state, context, stroke) {
context.static_serializer = ser_extend(context.static_serializer, extend_to);
}
push_stroke(context, stroke);
push_stroke(context.static_serializer, stroke);
context.need_static_upload = true;
}
function geometry_delete_stroke(state, context, stroke_index) {
@ -127,28 +129,30 @@ function geometry_delete_stroke(state, context, stroke_index) { @@ -127,28 +129,30 @@ function geometry_delete_stroke(state, context, stroke_index) {
}
function recompute_dynamic_data(state, context) {
// let bytes_needed = 0;
let bytes_needed = 0;
// for (const player_id in state.players) {
// const player = state.players[player_id];
// if (player.points.length > 0) {
// bytes_needed += player.points.length * config.bytes_per_point;
// }
// }
for (const player_id in state.players) {
const player = state.players[player_id];
if (player.points.length > 0) {
bytes_needed += player.points.length * 6 * config.bytes_per_point;
}
}
// if (bytes_needed > context.dynamic_stroke_serializer.size) {
// context.dynamic_stroke_serializer = serializer_create(Math.ceil(bytes_needed * 1.62));
// } else {
// context.dynamic_stroke_serializer.offset = 0;
// }
if (bytes_needed > context.dynamic_serializer.size) {
context.dynamic_serializer = serializer_create(Math.ceil(bytes_needed * 1.62));
} else {
context.dynamic_serializer.offset = 0;
}
// for (const player_id in state.players) {
// // player has the same data as their current stroke: points, color, width
// const player = state.players[player_id];
// if (player.points.length > 0) {
// push_stroke(context.dynamic_stroke_serializer, player);
// }
// }
for (const player_id in state.players) {
// player has the same data as their current stroke: points, color, width
const player = state.players[player_id];
if (player.points.length > 0) {
push_stroke(context.dynamic_serializer, player);
}
}
context.need_dynamic_upload = true;
}
function geometry_add_point(state, context, player_id, point) {

5
client/webgl_shaders.js
Unescape View File

@ -80,7 +80,7 @@ const sdf_fs_src = `#version 300 es @@ -80,7 +80,7 @@ const sdf_fs_src = `#version 300 es
// float alpha = 1.0 - step(0.0, dist);
if (u_debug_mode == 1) {
FragColor = vec4(1.0, 0.0, 0.0, 1.0);
FragColor = vec4(1.0, 0.0, 0.0, 0.5);
} else {
FragColor = vec4(v_color * alpha, alpha);
// FragColor = vec4(v_color * alpha, 0.1 + alpha);
@ -179,7 +179,8 @@ function init_webgl(state, context) { @@ -179,7 +179,8 @@ function init_webgl(state, context) {
};
context.buffers['sdf'] = {
'b_packed': context.gl.createBuffer(),
'b_packed_static': context.gl.createBuffer(),
'b_packed_dynamic': context.gl.createBuffer(),
};
context.textures['sdf'] = {

Write Preview
Loading…
Cancel
Save