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Only pass a subset of the attributes buffer to GPU

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This commit is contained in:
Daniel Imms
2018-11-25 10:18:14 -08:00
parent 60e3ddbfd0
commit b8b111f4a6
2 changed files with 47 additions and 34 deletions
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src/renderer/webgl/WebglRenderer.ts
+6 -2
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@@ -16,7 +16,7 @@ import { acquireCharAtlas } from '../atlas/CharAtlasCache';
import WebglCharAtlas from './WebglCharAtlas';
import { ScreenDprMonitor } from '../../ui/ScreenDprMonitor';
import { RectangleRenderer } from './RectangleRenderer';
import { CHAR_DATA_ATTR_INDEX, CHAR_DATA_CODE_INDEX, CHAR_DATA_CHAR_INDEX } from '../../Buffer';
import { CHAR_DATA_ATTR_INDEX, CHAR_DATA_CODE_INDEX, CHAR_DATA_CHAR_INDEX, NULL_CELL_CODE } from '../../Buffer';
import { IWebGL2RenderingContext } from './Types';
import { INVERTED_DEFAULT_COLOR, DEFAULT_COLOR } from '../atlas/Types';
import { RenderModel, COMBINED_CHAR_BIT_MASK } from './RenderModel';
@@ -267,7 +267,7 @@ export class WebglRenderer extends EventEmitter implements IRenderer {
// Render
this._rectangleRenderer.render();
this._glyphRenderer.render(this._model.selection.hasSelection);
this._glyphRenderer.render(this._model, this._model.selection.hasSelection);
// Emit event
this._terminal.emit('refresh', { start, end });
@@ -287,6 +287,10 @@ export class WebglRenderer extends EventEmitter implements IRenderer {
const attr = charData[CHAR_DATA_ATTR_INDEX];
const i = ((y * terminal.cols) + x) * INDICIES_PER_CELL;
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 + 1] === attr) {
continue;