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Consolidate override logic into model/WebglRenderer

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This commit is contained in:
Daniel Imms
2022-05-10 05:00:52 -07:00
parent d29388394c
commit 40716b8ca5
3 changed files with 58 additions and 77 deletions
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addons/xterm-addon-webgl/src/GlyphRenderer.ts
+1 -37
View File
@@ -191,47 +191,11 @@ export class GlyphRenderer {
return;
}
// Get any decoration foreground/background overrides
const decorations = this._decorationService.getDecorationsOnLine(y);
let bgOverride: number | undefined;
let fgOverride: number | undefined;
for (const d of decorations) {
const xmin = d.options.x ?? 0;
const xmax = xmin + (d.options.width ?? 1);
if (x >= xmin && x < xmax) {
if (d.backgroundColorRGB) {
bgOverride = d.backgroundColorRGB.rgba;
}
if (d.foregroundColorRGB) {
fgOverride = d.foregroundColorRGB.rgba;
}
}
}
// Convert any overrides from rgba to the fg/bg packed format. This resolves the inverse flag
// ahead of time in order to use the correct cache key
if (bgOverride !== undefined) {
// Non-RGB attributes from model + override + force RGB color mode
if (fg & FgFlags.INVERSE) {
bgOverride = (bg & ~Attributes.RGB_MASK) | (fgOverride !== undefined ? fgOverride >> 8 : fg) | Attributes.CM_RGB;
} else {
bgOverride = (bg & ~Attributes.RGB_MASK) | bgOverride >> 8 | Attributes.CM_RGB;
}
}
if (fgOverride !== undefined) {
// Non-RGB attributes from model + force disable inverse + override + force RGB color mode
if (fg & FgFlags.INVERSE) {
fgOverride = (fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | (bgOverride !== undefined ? bgOverride >> 8 : bg) | Attributes.CM_RGB;
} else {
fgOverride = (fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | fgOverride >> 8 | Attributes.CM_RGB;
}
}
// Get the glyph
if (chars && chars.length > 1) {
rasterizedGlyph = this._atlas.getRasterizedGlyphCombinedChar(chars, bg, fg);
} else {
rasterizedGlyph = this._atlas.getRasterizedGlyph(code, bgOverride ?? bg, fgOverride ?? fg);
rasterizedGlyph = this._atlas.getRasterizedGlyph(code, bg, fg);
}
// Fill empty if no glyph was found
addons/xterm-addon-webgl/src/RectangleRenderer.ts
+2 -29
View File
@@ -255,35 +255,8 @@ export class RectangleRenderer {
for (let x = 0; x < terminal.cols; x++) {
const modelIndex = ((y * terminal.cols) + x) * RENDER_MODEL_INDICIES_PER_CELL;
// Get any decoration foreground/background overrides
const decorations = this._decorationService.getDecorationsOnLine(y);
let bgOverride: number | undefined;
let fgOverride: number | undefined;
for (const d of decorations) {
const xmin = d.options.x ?? 0;
const xmax = xmin + (d.options.width ?? 1);
if (x >= xmin && x < xmax) {
if (d.backgroundColorRGB) {
bgOverride = d.backgroundColorRGB.rgba;
}
if (d.foregroundColorRGB) {
fgOverride = d.foregroundColorRGB.rgba;
}
}
}
// Convert any overrides from rgba to the fg/bg packed format:
// Non RGB attributes from model + RGB from override + force RGB color mode
if (bgOverride !== undefined) {
bgOverride = (model.cells[modelIndex + RENDER_MODEL_BG_OFFSET] & ~Attributes.RGB_MASK) | bgOverride >> 8 | Attributes.CM_RGB;
}
if (fgOverride !== undefined) {
fgOverride = (model.cells[modelIndex + RENDER_MODEL_FG_OFFSET] & ~Attributes.RGB_MASK) | fgOverride >> 8 | Attributes.CM_RGB;
}
// TODO: This isn't handling invert correctly
const bg = bgOverride ?? model.cells[modelIndex + RENDER_MODEL_BG_OFFSET];
const fg = fgOverride ?? model.cells[modelIndex + RENDER_MODEL_FG_OFFSET];
const bg = model.cells[modelIndex + RENDER_MODEL_BG_OFFSET];
const fg = model.cells[modelIndex + RENDER_MODEL_FG_OFFSET];
const inverse = !!(fg & FgFlags.INVERSE);
if (bg !== currentBg || (fg !== currentFg && (currentInverse || inverse))) {
addons/xterm-addon-webgl/src/WebglRenderer.ts
+55 -11
View File
@@ -12,7 +12,7 @@ import { RectangleRenderer } from './RectangleRenderer';
import { IWebGL2RenderingContext } from './Types';
import { RenderModel, COMBINED_CHAR_BIT_MASK, RENDER_MODEL_BG_OFFSET, RENDER_MODEL_FG_OFFSET, RENDER_MODEL_INDICIES_PER_CELL } from './RenderModel';
import { Disposable } from 'common/Lifecycle';
import { Content, NULL_CELL_CHAR, NULL_CELL_CODE } from 'common/buffer/Constants';
import { Attributes, Content, FgFlags, NULL_CELL_CHAR, NULL_CELL_CODE } from 'common/buffer/Constants';
import { Terminal, IEvent } from 'xterm';
import { IRenderLayer } from './renderLayer/Types';
import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/Types';
@@ -53,7 +53,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
private _terminal: Terminal,
private _colors: IColorSet,
private readonly _characterJoinerService: ICharacterJoinerService,
decorationService: IDecorationService,
private readonly _decorationService: IDecorationService,
preserveDrawingBuffer?: boolean
) {
super();
@@ -97,8 +97,8 @@ export class WebglRenderer extends Disposable implements IRenderer {
this._core.screenElement!.appendChild(this._canvas);
this._rectangleRenderer = new RectangleRenderer(this._terminal, this._colors, this._gl, this.dimensions, decorationService);
this._glyphRenderer = new GlyphRenderer(this._terminal, this._colors, this._gl, this.dimensions, decorationService);
this._rectangleRenderer = new RectangleRenderer(this._terminal, this._colors, this._gl, this.dimensions, _decorationService);
this._glyphRenderer = new GlyphRenderer(this._terminal, this._colors, this._gl, this.dimensions, _decorationService);
// Update dimensions and acquire char atlas
this.onCharSizeChanged();
@@ -333,14 +333,58 @@ export class WebglRenderer extends Disposable implements IRenderer {
let code = cell.getCode();
const i = ((y * terminal.cols) + x) * RENDER_MODEL_INDICIES_PER_CELL;
let bg = cell.bg;
let fg = cell.fg;
// Get any decoration foreground/background overrides, this happens on the model to avoid
// spreading decoration override logic throughout the different sub-renderers
const decorations = this._decorationService.getDecorationsOnLine(y);
let bgOverride: number | undefined;
let fgOverride: number | undefined;
for (const d of decorations) {
const xmin = d.options.x ?? 0;
const xmax = xmin + (d.options.width ?? 1);
if (x >= xmin && x < xmax) {
if (d.backgroundColorRGB) {
bgOverride = d.backgroundColorRGB.rgba;
}
if (d.foregroundColorRGB) {
fgOverride = d.foregroundColorRGB.rgba;
}
}
}
// Convert any overrides from rgba to the fg/bg packed format. This resolves the inverse flag
// ahead of time in order to use the correct cache key
if (bgOverride !== undefined) {
// Non-RGB attributes from model + override + force RGB color mode
if (fg & FgFlags.INVERSE) {
bgOverride = (bg & ~Attributes.RGB_MASK) | (fgOverride !== undefined ? fgOverride >> 8 : fg) | Attributes.CM_RGB;
} else {
bgOverride = (bg & ~Attributes.RGB_MASK) | bgOverride >> 8 | Attributes.CM_RGB;
}
}
if (fgOverride !== undefined) {
// Non-RGB attributes from model + force disable inverse + override + force RGB color mode
if (fg & FgFlags.INVERSE) {
fgOverride = (fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | (bgOverride !== undefined ? bgOverride >> 8 : bg) | Attributes.CM_RGB;
} else {
fgOverride = (fg & ~Attributes.RGB_MASK & ~FgFlags.INVERSE) | fgOverride >> 8 | Attributes.CM_RGB;
}
}
// Use the override if it exists
bg = bgOverride ?? bg;
fg = fgOverride ?? fg;
if (code !== NULL_CELL_CODE) {
this._model.lineLengths[y] = x + 1;
}
// Nothing has changed, no updates needed
if (this._model.cells[i] === code &&
this._model.cells[i + RENDER_MODEL_BG_OFFSET] === cell.bg &&
this._model.cells[i + RENDER_MODEL_FG_OFFSET] === cell.fg) {
this._model.cells[i + RENDER_MODEL_BG_OFFSET] === bg &&
this._model.cells[i + RENDER_MODEL_FG_OFFSET] === fg) {
continue;
}
@@ -351,10 +395,10 @@ export class WebglRenderer extends Disposable implements IRenderer {
// Cache the results in the model
this._model.cells[i] = code;
this._model.cells[i + RENDER_MODEL_BG_OFFSET] = cell.bg;
this._model.cells[i + RENDER_MODEL_FG_OFFSET] = cell.fg;
this._model.cells[i + RENDER_MODEL_BG_OFFSET] = bg;
this._model.cells[i + RENDER_MODEL_FG_OFFSET] = fg;
this._glyphRenderer.updateCell(x, y, code, cell.bg, cell.fg, chars);
this._glyphRenderer.updateCell(x, y, code, bg, fg, chars);
if (isJoined) {
// Restore work cell
@@ -365,8 +409,8 @@ export class WebglRenderer extends Disposable implements IRenderer {
const j = ((y * terminal.cols) + x) * RENDER_MODEL_INDICIES_PER_CELL;
this._glyphRenderer.updateCell(x, y, NULL_CELL_CODE, 0, 0, NULL_CELL_CHAR);
this._model.cells[j] = NULL_CELL_CODE;
this._model.cells[j + RENDER_MODEL_BG_OFFSET] = this._workCell.bg;
this._model.cells[j + RENDER_MODEL_FG_OFFSET] = this._workCell.fg;
this._model.cells[j + RENDER_MODEL_BG_OFFSET] = bg;
this._model.cells[j + RENDER_MODEL_FG_OFFSET] = fg;
}
}
}