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Added toys that enable visual debugging of Aard

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This commit is contained in:
Tamius Han 2025-04-03 02:59:25 +02:00
parent 7c1d3e52e5
commit e198c69741
5 changed files with 386 additions and 33 deletions
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142
src/ext/lib/aard/Aard.ts
View File

@ -10,6 +10,7 @@ import { Corner } from './enums/corner.enum';
import { VideoPlaybackState } from './enums/video-playback-state.enum';
import { FallbackCanvas } from './gl/FallbackCanvas';
import { GlCanvas } from './gl/GlCanvas';
import { GlDebugCanvas, GlDebugType } from './gl/GlDebugCanvas';
import { AardCanvasStore } from './interfaces/aard-canvas-store.interface';
import { AardDetectionSample, generateSampleArray, resetSamples } from './interfaces/aard-detection-sample.interface';
import { AardStatus, initAardStatus } from './interfaces/aard-status.interface';
@ -251,6 +252,7 @@ export class Aard {
private testResults: AardTestResults;
private canvasSamples: AardDetectionSample;
private forceFullRecheck: boolean = true;
//#endregion
@ -311,6 +313,14 @@ export class Aard {
),
};
try {
this.showDebugCanvas();
this.canvasStore.main.showCanvas();
} catch (e) {
console.error('FALIED TO CREATE DEBUGG CANVAS', e);
}
this.startCheck();
}
@ -349,6 +359,19 @@ export class Aard {
throw 'AARD_INVALID_SETTINGS';
}
}
/**
* Creates and shows debug canvas
* @param canvasId
*/
private showDebugCanvas() {
console.log('SHOWING DEBUG CANVAS!')
if (!this.canvasStore.debug) {
this.canvasStore.debug = new GlDebugCanvas({...this.settings.active.arDetect.canvasDimensions.sampleCanvas, id: 'uw-debug-gl'});
}
this.canvasStore.debug.show();
this.canvasStore.debug.drawVideoFrame(this.canvasStore.main.canvas);
}
//#endregion
/**
@ -453,11 +476,13 @@ export class Aard {
*/
private async main() {
try {
let imageData: Uint8Array;
// We abuse a do-while loop to eat our cake (get early returns)
// and have it, too (if we return early, we still execute code
// at the end of this function)
do {
const imageData = await new Promise<Uint8Array>(
imageData = await new Promise<Uint8Array>(
resolve => {
try {
this.canvasStore.main.drawVideoFrame(this.video);
@ -571,7 +596,9 @@ export class Aard {
// (as aspect ratio may have been set manually while autodetection was off)
if (this.testResults.notLetterbox) {
// console.log('————not letterbox')
console.warn('DETECTED NOT LETTERBOX! (resetting)')
this.updateAspectRatio(this.defaultAr);
return;
}
// if detection is uncertain, we don't do anything at all (unless if guardline was broken, in which case we reset)
@ -579,9 +606,8 @@ export class Aard {
// console.info('aspect ratio not certain:', this.testResults.aspectRatioUncertainReason);
// console.warn('check finished:', JSON.parse(JSON.stringify(this.testResults)), JSON.parse(JSON.stringify(this.canvasSamples)), '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n');
if (this.testResults.guardLine.invalidated) {
this.updateAspectRatio(this.defaultAr);
}
console.warn('ASPECT RATIO UNCERTAIN, GUARD LINE INVALIDATED (resetting)')
this.updateAspectRatio(this.defaultAr);
return;
}
@ -589,11 +615,11 @@ export class Aard {
// TODO: emit debug values if debugging is enabled
this.testResults.isFinished = true;
// console.warn(
// `[${(+new Date() % 10000) / 100} | ${this.arid}]`,'check finished — aspect ratio updated:', this.testResults.aspectRatioUpdated,
// '\ndetected ar:', this.testResults.activeAspectRatio, '->', this.getAr(),
// '\nis video playing?', this.getVideoPlaybackState() === VideoPlaybackState.Playing,
// '\n\n', JSON.parse(JSON.stringify(this.testResults)), JSON.parse(JSON.stringify(this.canvasSamples)), '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n');
console.warn(
`[${(+new Date() % 10000) / 100} | ${this.arid}]`,'check finished — aspect ratio updated:', this.testResults.aspectRatioUpdated,
'\ndetected ar:', this.testResults.activeAspectRatio, '->', this.getAr(),
'\nis video playing?', this.getVideoPlaybackState() === VideoPlaybackState.Playing,
'\n\n', JSON.parse(JSON.stringify(this.testResults)), JSON.parse(JSON.stringify(this.canvasSamples)), '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n');
// if edge width changed, emit update event.
// except aspectRatioUpdated doesn't get set reliably, so we just call update every time, and update
@ -603,6 +629,10 @@ export class Aard {
// }
// if we got "no letterbox" OR aspectRatioUpdated
if (this.canvasStore.debug) {
this.canvasStore.debug.drawBuffer(imageData);
}
} catch (e) {
console.warn('[Ultrawidify] Aspect ratio autodetection crashed for some reason.\n\nsome reason:', e);
this.videoData.resizer.setAr({type: AspectRatioType.AutomaticUpdate, ratio: this.defaultAr});
@ -682,11 +712,13 @@ export class Aard {
pixelValues[pvi++] = imageData[px_r];
pixelValues[pvi++] = imageData[px_r + 1];
pixelValues[pvi++] = imageData[px_r + 2];
imageData[px_r + 3] = GlDebugType.BlackLevelSample;
const endpx_r = px_r + (width * 4) - (i * 8) - 4; // -4 because 4 bytes per pixel, and - twice the offset to mirror the diagonal
pixelValues[pvi++] = imageData[endpx_r];
pixelValues[pvi++] = imageData[endpx_r + 1];
pixelValues[pvi++] = imageData[endpx_r + 2];
imageData[endpx_r + 3] = GlDebugType.BlackLevelSample;
}
// now let's populate the bottom two corners
@ -697,11 +729,13 @@ export class Aard {
pixelValues[pvi++] = imageData[px_r];
pixelValues[pvi++] = imageData[px_r + 1];
pixelValues[pvi++] = imageData[px_r + 2];
imageData[px_r + 3] = GlDebugType.BlackLevelSample;
const endpx_r = px_r + (width * 4) - (i * 8) - 4; // -4 because 4 bytes per pixel, and - twice the offset to mirror the diagonal
pixelValues[pvi++] = imageData[endpx_r];
pixelValues[pvi++] = imageData[endpx_r + 1];
pixelValues[pvi++] = imageData[endpx_r + 2];
imageData[endpx_r + 3] = GlDebugType.BlackLevelSample;
}
let min = 255;
@ -796,7 +830,10 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineCornerViolation;
this.testResults.guardLine.cornerPixelsViolated[Corner.TopLeft]++;
} else {
imageData[i + 3] = GlDebugType.GuardLineCornerOk;
}
i += 4;
}
@ -806,12 +843,15 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineViolation;
// DONT FORGET TO INVALIDATE GUARDL LINE
this.testResults.guardLine.top = -1;
this.testResults.guardLine.bottom = -1;
this.testResults.guardLine.invalidated = true;
return;
};
} else {
imageData[i + 3] = GlDebugType.GuardLineOk;
}
i += 4;
}
while (i < rowEnd) {
@ -820,7 +860,10 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineCornerViolation;
this.testResults.guardLine.cornerPixelsViolated[Corner.TopRight]++;
} else {
imageData[i + 3] = GlDebugType.GuardLineCornerOk;
}
i += 4; // skip over alpha channel
}
@ -842,7 +885,10 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineCornerViolation;
this.testResults.guardLine.cornerPixelsViolated[Corner.BottomLeft]++;
} else {
imageData[i + 3] = GlDebugType.GuardLineCornerOk;
}
i += 4; // skip over alpha channel
}
@ -855,12 +901,15 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineViolation;
// DONT FORGET TO INVALIDATE GUARDL LINE
this.testResults.guardLine.top = -1;
this.testResults.guardLine.bottom = -1;
this.testResults.guardLine.invalidated = true;
return;
};
} else {
imageData[i + 3] = GlDebugType.GuardLineOk;
}
i += 4;
}
if (i % 4) {
@ -872,7 +921,10 @@ export class Aard {
|| imageData[i + 1] > this.testResults.blackThreshold
|| imageData[i + 2] > this.testResults.blackThreshold
) {
imageData[i + 3] = GlDebugType.GuardLineCornerViolation;
this.testResults.guardLine.cornerPixelsViolated[Corner.BottomRight]++;
} else {
imageData[i + 3] = GlDebugType.GuardLineCornerOk;
}
i += 4; // skip over alpha channel
}
@ -953,8 +1005,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -965,8 +1020,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
if (! this.testResults.guardLine.cornerViolated[Corner.TopRight]) {
@ -977,8 +1035,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -993,8 +1054,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1017,8 +1081,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1043,8 +1110,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1055,8 +1125,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
if (! this.testResults.guardLine.cornerViolated[Corner.TopRight]) {
@ -1067,8 +1140,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1083,8 +1159,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1095,8 +1174,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
if (! this.testResults.guardLine.cornerViolated[Corner.TopRight]) {
@ -1107,8 +1189,11 @@ export class Aard {
imagePixel ||= imageData[i++] > this.testResults.blackThreshold;
if (imagePixel && ++pixelCount > detectionThreshold) {
imageData[i] = GlDebugType.ImageLineThresholdReached;
return;
};
} else {
imageData[i] = imagePixel ? GlDebugType.ImageLineOk : GlDebugType.ImageLineFail;
}
i++; // skip over alpha channel
}
}
@ -1222,11 +1307,13 @@ export class Aard {
|| imageData[rowOffset + x + 2] > this.testResults.blackLevel;
if (!isImage) {
imageData[rowOffset + x + 3] = GlDebugType.EdgeScanProbe;
// TODO: maybe some day mark this pixel as checked by writing to alpha channel
i++;
continue;
}
if (this.canvasSamples.top[i] === -1) {
imageData[rowOffset + x + 3] = GlDebugType.EdgeScanHit;
this.canvasSamples.top[i] = row;
finishedRows++;
}
@ -1270,12 +1357,14 @@ export class Aard {
|| imageData[rowOffset + x + 2] > this.testResults.blackLevel;
if (!isImage) {
imageData[rowOffset + x + 3] = GlDebugType.EdgeScanProbe;
// console.log('(row:', row, ')', 'val:', imageData[rowOffset + x], 'col', x >> 2, x, 'pxoffset:', rowOffset + x, 'len:', imageData.length)
// TODO: maybe some day mark this pixel as checked by writing to alpha channel
i++;
continue;
}
if (this.canvasSamples.bottom[i] === -1) {
imageData[rowOffset + x + 3] = GlDebugType.EdgeScanHit;
this.canvasSamples.bottom[i] = row;
finishedRows++;
}
@ -1326,8 +1415,11 @@ export class Aard {
|| imageData[xs + 1] > this.testResults.blackThreshold
|| imageData[xs + 2] > this.testResults.blackThreshold
) {
imageData[xs + 3] = GlDebugType.SlopeTestDarkViolation;
this.canvasSamples.top[i + 1] = -1;
break;
} else {
imageData[xs + 3] = GlDebugType.SlopeTestDarkOk;
}
xs += 4;
}
@ -1339,7 +1431,7 @@ export class Aard {
while (i < this.canvasSamples.bottom.length) {
// calculate row offset:
i1 = i + 1;
row = (this.canvasSamples.bottom[i1] - 1) * width * 4;
row = (this.canvasSamples.bottom[i1] + 1) * width * 4;
xs = row + this.canvasSamples.bottom[i] - slopeTestSample;
xe = row + this.canvasSamples.bottom[i] + slopeTestSample;
@ -1349,15 +1441,17 @@ export class Aard {
|| imageData[xs + 1] > this.testResults.blackThreshold
|| imageData[xs + 2] > this.testResults.blackThreshold
) {
imageData[xs + 3] = GlDebugType.SlopeTestDarkViolation;
this.canvasSamples.bottom[i1] = -1;
i += 2;
break;
}
imageData[xs + 3] = GlDebugType.SlopeTestDarkOk;
xs += 4;
}
if (this.canvasSamples.bottom[i1]) {
this.canvasSamples.bottom[i1] = height - this.canvasSamples.bottom[i1];
this.canvasSamples.bottom[i1] = this.canvasSamples.bottom[i1];
}
i += 2;

34
src/ext/lib/aard/gl/GlCanvas.ts
View File

@ -65,7 +65,7 @@ export class GlCanvas {
private set gl(x: WebGLRenderingContext) {
this._context = x;
};
private get gl(): WebGLRenderingContext {
protected get gl(): WebGLRenderingContext {
return this._context;
}
@ -80,7 +80,7 @@ export class GlCanvas {
private buffers: GlCanvasBuffers;
private texture: WebGLTexture;
private programInfo: GlCanvasProgramInfo;
protected programInfo: GlCanvasProgramInfo;
private projectionMatrix: mat4;
get width() {
@ -103,7 +103,7 @@ export class GlCanvas {
* Draws video frame to the GL canvas
* @param video video to extract a frame from
*/
drawVideoFrame(video: HTMLVideoElement): void {
drawVideoFrame(video: HTMLVideoElement | HTMLCanvasElement): void {
this.updateTexture(video);
this.drawScene();
}
@ -156,7 +156,16 @@ export class GlCanvas {
);
if (!this.gl) {
throw new Error('WebGL not supported');
try {
this.gl = this.canvas.getContext(
"webgl",
{
preserveDrawingBuffer: true
}
);
} catch (e) {
throw new Error('WebGL not supported');
}
}
if(options.id) {
this.canvas.setAttribute('id', options.id);
@ -212,24 +221,30 @@ export class GlCanvas {
this.frameBuffer = new Uint8Array(this.frameBufferSize);
}
private loadShader(type, source) {
protected loadShader(type, source) {
const shader = this.gl.createShader(type);
this.gl.shaderSource(shader, source);
this.gl.compileShader(shader);
// TODO: warn if shader failed to compile
if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) {
this.gl.deleteShader(shader);
console.warn('DEBUG: Shader Compilation Error: ', type, this.gl.getShaderInfoLog(shader), '(cheat sheet: vertex shaders:', this.gl.VERTEX_SHADER, ')');
return null;
}
return shader;
}
private initShaderProgram() {
protected loadShaders() {
const vertexShader = this.loadShader(this.gl.VERTEX_SHADER, vsSource);
const fragmentShader = this.loadShader(this.gl.FRAGMENT_SHADER, fsSource);
return {vertexShader, fragmentShader};
}
private initShaderProgram() {
const {vertexShader, fragmentShader} = this.loadShaders();
// Create the shader program
const shaderProgram = this.gl.createProgram();
this.gl.attachShader(shaderProgram, vertexShader);
@ -238,6 +253,7 @@ export class GlCanvas {
// TODO: maybe give a warning if program failed to initialize
if (!this.gl.getProgramParameter(shaderProgram, this.gl.LINK_STATUS)) {
console.warn('DEBUG — FAILED TO LINK SHADER PROGRAM', this.gl.getProgramInfoLog(shaderProgram))
return null;
}
@ -279,7 +295,7 @@ export class GlCanvas {
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR);
}
private updateTexture(video: HTMLVideoElement) {
protected updateTexture(video: HTMLVideoElement | HTMLCanvasElement | null) {
const level = 0;
const internalFormat = this.gl.RGBA;
const srcFormat = this.gl.RGBA;
@ -333,7 +349,7 @@ export class GlCanvas {
this.gl.enableVertexAttribArray(this.programInfo.attribLocations.vertexPosition);
}
private drawScene(): void {
protected drawScene(): void {
/**
* Since we are drawing our frames in a way such that the entire canvas is
* always covered by rendered video, and given our video is the only object

158
src/ext/lib/aard/gl/GlDebugCanvas.ts Normal file
View File

@ -0,0 +1,158 @@
import { GlCanvas, GlCanvasOptions } from './GlCanvas';
const vsSource = `
attribute vec4 aVertexPosition;
attribute vec3 aVertexNormal;
attribute vec2 aTextureCoord;
uniform mat4 uNormalMatrix;
uniform mat4 uModelViewMatrix;
uniform mat4 uProjectionMatrix;
varying highp vec2 vTextureCoord;
void main(void) {
gl_Position = uProjectionMatrix * aVertexPosition;
vTextureCoord = vec2(aTextureCoord.x, 1.0 - aTextureCoord.y);
// vTextureCoord = aTextureCoord;
}
`;
const fSource = `
precision mediump float;
uniform sampler2D u_texture;
// uniform sampler1D u_colorTexture; // Array of replacement colors
uniform vec3 u_colors[16];
varying vec2 vTextureCoord;
void main() {
vec4 color = texture2D(u_texture, vTextureCoord);
int alphaIndex = int(color.a * 255.0);
if (alphaIndex == 255) { // convert to grayscale on normal alpha
float gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
gl_FragColor = vec4(vec3(gray), 1.0);
} else if (alphaIndex < 16) { // use custom color where possible
// no 1D textures in webgl, only webgl2 maybe
// vec3 selectedColor = texture1D(u_colorTexture, float(alphaIndex) / 15.0).rgb;
// gl_FragColor = vec4(selectedColor, 1.0);
vec3 selectedColor;
if (alphaIndex == 0) selectedColor = u_colors[0];
else if (alphaIndex == 1) selectedColor = u_colors[1];
else if (alphaIndex == 2) selectedColor = u_colors[2];
else if (alphaIndex == 3) selectedColor = u_colors[3];
else if (alphaIndex == 4) selectedColor = u_colors[4];
else if (alphaIndex == 5) selectedColor = u_colors[5];
else if (alphaIndex == 6) selectedColor = u_colors[6];
else if (alphaIndex == 7) selectedColor = u_colors[7];
else if (alphaIndex == 8) selectedColor = u_colors[8];
else if (alphaIndex == 9) selectedColor = u_colors[9];
else if (alphaIndex == 10) selectedColor = u_colors[10];
else if (alphaIndex == 11) selectedColor = u_colors[11];
else if (alphaIndex == 12) selectedColor = u_colors[12];
else if (alphaIndex == 13) selectedColor = u_colors[13];
else if (alphaIndex == 14) selectedColor = u_colors[14];
else selectedColor = u_colors[15];
gl_FragColor = vec4(selectedColor, 1.0);
} else { // red channel only as fallback
gl_FragColor = vec4(color.r, 0.0, 0.0, 1.0);
}
}
`;
export enum GlDebugType {
BlackLevelSample = 0,
GuardLineOk = 1,
GuardLineViolation = 2,
GuardLineCornerOk = 3,
GuardLineCornerViolation = 4,
ImageLineThresholdReached = 5,
ImageLineOk = 6,
ImageLineFail = 7,
EdgeScanProbe = 8,
EdgeScanHit = 9,
SlopeTestDarkOk = 10,
SlopeTestDarkViolation = 11,
}
export class GlDebugCanvas extends GlCanvas {
private debugColors = [
0.1, 0.1, 0.25, // 0 - black level sample
0.3, 1.0, 0.6, // 1 - guard line ok
1.0, 0.1, 0.1, // 2 - guard line violation
0.2, 0.6, 0.4, // 3 - guard line corner ok
0.5, 0.0, 0.0, // 4 - guard line corner violation
1.0, 1.0, 1.0, // 5 - image line threshold reached (stop checking)
0.7, 0.7, 0.7, // 6 - image line ok
0.9, 0.6, 0.6, // 7 - image line fail
0.1, 0.1, 0.4, // 8 - edge scan probe
0.4, 0.4, 1.0, // 9 - edge scan hit
0.2, 0.4, 0.6, // 10 - slope test ok
1.0, 0.0, 0.0, // 11 - slope test fail
0.0, 0.0, 0.0, // 12
0.0, 0.0, 0.0,
0.0, 0.0, 0.0,
0.0, 0.0, 0.0,
];
constructor (options: GlCanvasOptions) {
super(options);
this.canvas.id = options.id;
}
protected loadShaders() {
const vertexShader = this.loadShader(this.gl.VERTEX_SHADER, vsSource);
const fragmentShader = this.loadShader(this.gl.FRAGMENT_SHADER, fSource);
return {vertexShader, fragmentShader};
}
show() {
this.gl.useProgram(this.programInfo.program)
this.gl.uniform3fv((this.programInfo.uniformLocations as any).debugColors, this.debugColors);
this.canvas.style.position = 'fixed';
this.canvas.style.top = '0';
this.canvas.style.right = '0';
this.canvas.style.zIndex = '99999999';
this.canvas.style.transform = 'scale(3)';
this.canvas.style.transformOrigin = 'top right';
this.canvas.style.imageRendering = 'pixelated';
document.body.appendChild(
this.canvas
);
}
drawBuffer(buffer: Uint8Array) {
this.updateTextureBuffer(buffer);
}
protected initWebgl() {
super.initWebgl();
(this.programInfo.uniformLocations as any).debugColors = this.gl.getUniformLocation(this.programInfo.program, 'u_colors');
}
protected updateTextureBuffer(buffer: Uint8Array) {
// this.updateTexture(null);
this.gl.texSubImage2D(
this.gl.TEXTURE_2D,
0,
0,
0,
this.width,
this.height,
this.gl.RGBA,
this.gl.UNSIGNED_BYTE,
buffer
);
this.drawScene();
};
}

83
src/ext/lib/aard/gl/gl-debug-init.ts Normal file
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@ -0,0 +1,83 @@
export interface GlCanvasBuffers {
position: WebGLBuffer,
normal: WebGLBuffer,
textureCoord: WebGLBuffer,
indices: WebGLBuffer,
};
export function initBuffers(gl: WebGLRenderingContext): GlCanvasBuffers {
const positionBuffer = initPositionBuffer(gl);
const textureCoordBuffer = initTextureBuffer(gl);
const indexBuffer = initIndexBuffer(gl);
const normalBuffer = initNormalBuffer(gl);
return {
position: positionBuffer,
normal: normalBuffer,
textureCoord: textureCoordBuffer,
indices: indexBuffer,
};
}
function initPositionBuffer(gl: WebGLRenderingContext) {
const positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
const positions = [
-1, -1, 1, -1, -1, 1,
-1, 1, 1, -1, 1, 1
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
return positionBuffer;
}
function initIndexBuffer(gl: WebGLRenderingContext) {
const indexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);
const indices = [
0, 1, 2,
0, 2, 3,
];
gl.bufferData(
gl.ELEMENT_ARRAY_BUFFER,
new Uint16Array(indices),
gl.STATIC_DRAW
);
return indexBuffer;
}
function initTextureBuffer(gl: WebGLRenderingContext) {
const textureCoordBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, textureCoordBuffer);
const texCoordBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
const texCoords = [
0, 1, 1, 1, 0, 0,
0, 0, 1, 1, 1, 0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(texCoords), gl.STATIC_DRAW);
return textureCoordBuffer;
}
function initNormalBuffer(gl: WebGLRenderingContext) {
const normalBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, normalBuffer);
const vertexNormals = [
0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
];
gl.bufferData(
gl.ARRAY_BUFFER,
new Float32Array(vertexNormals),
gl.STATIC_DRAW
);
return normalBuffer;
}

2
src/ext/lib/aard/interfaces/aard-canvas-store.interface.ts
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@ -1,5 +1,7 @@
import { GlCanvas } from '../gl/GlCanvas';
import { GlDebugCanvas } from '../gl/GlDebugCanvas';
export interface AardCanvasStore {
main: GlCanvas;
debug?: GlDebugCanvas;
}