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Share page texture binding code

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This commit is contained in:
Daniel Imms
2022-10-29 14:33:50 -07:00
parent 86ccd709bf
commit 04f79aa7b4
1 changed files with 12 additions and 11 deletions
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addons/xterm-addon-webgl/src/GlyphRenderer.ts
+12 -11
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@@ -108,7 +108,7 @@ export class GlyphRenderer extends Disposable {
private _atlas: ITextureAtlas | undefined;
private _activeBuffer: number = 0;
private _vertices: IVertices = {
private readonly _vertices: IVertices = {
count: 0,
attributes: new Float32Array(0),
attributesBuffers: [
@@ -346,10 +346,7 @@ export class GlyphRenderer extends Disposable {
for (let i = 0; i < this._atlas.pages.length; i++) {
if (this._atlas.pages[i].hasCanvasChanged) {
this._atlas.pages[i].hasCanvasChanged = false;
gl.activeTexture(gl.TEXTURE0 + i);
gl.bindTexture(gl.TEXTURE_2D, this._atlasTextures[i]);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this._atlas.pages[i].canvas);
gl.generateMipmap(gl.TEXTURE_2D);
this._bindAtlasPageTexture(gl, this._atlas, i);
}
}
@@ -363,15 +360,19 @@ export class GlyphRenderer extends Disposable {
// TODO: Share code
for (let i = 0; i < this._atlas.pages.length; i++) {
gl.activeTexture(gl.TEXTURE0 + i);
gl.bindTexture(gl.TEXTURE_2D, this._atlasTextures[i]);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this._atlas.pages[i].canvas);
gl.generateMipmap(gl.TEXTURE_2D);
this._bindAtlasPageTexture(gl, atlas, i);
}
}
private _bindAtlasPageTexture(gl: IWebGL2RenderingContext, atlas: ITextureAtlas, i: number): void {
gl.activeTexture(gl.TEXTURE0 + i);
gl.bindTexture(gl.TEXTURE_2D, this._atlasTextures[i]);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, atlas.pages[i].canvas);
gl.generateMipmap(gl.TEXTURE_2D);
}
public setDimensions(dimensions: IRenderDimensions): void {
this._dimensions = dimensions;
}