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refactor(webgl): split Texture.configureImage()
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@postspectacular
postspectacular committed Feb 4, 2021
1 parent fda3011 commit 1e8670e
Showing 1 changed file with 107 additions and 94 deletions.
201 changes: 107 additions & 94 deletions packages/webgl/src/texture.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -84,109 +84,122 @@ export class Texture implements ITexture {
target: TextureTarget,
opts: Partial<TextureOpts>
) {
const gl = this.gl;
if (opts.image === undefined) return;
target === TextureTarget.TEXTURE_3D
? this.configureImage3d(target, opts)
: this.configureImage2d(target, opts);
}

protected configureImage2d(
target: TextureTarget,
opts: Partial<TextureOpts>
) {
const level = opts.level || 0;
const pos = opts.pos || [0, 0, 0];
const { image, width, height } = opts;
const decl = TEX_FORMATS[this.format];
const baseFormat = decl.format;
const { type, format } = this;
if (opts.image !== undefined) {
const level = opts.level || 0;
const pos = opts.pos || [0, 0, 0];
if (target === TextureTarget.TEXTURE_3D) {
if (opts.width && opts.height && opts.depth) {
if (opts.sub) {
(<WebGL2RenderingContext>gl).texSubImage3D(
target,
level,
pos[0],
pos[1],
pos[2],
opts.width,
opts.height,
opts.depth,
baseFormat,
type,
<any>opts.image
);
} else {
if (level === 0) {
this.size = [opts.width, opts.height, opts.depth];
}
(<WebGL2RenderingContext>gl).texImage3D(
target,
level,
format,
opts.width,
opts.height,
opts.depth,
0,
baseFormat,
type,
<any>opts.image
);
}
const { gl, type, format } = this;
if (width && height) {
if (opts.sub) {
gl.texSubImage2D(
target,
level,
pos[0],
pos[1],
width,
height,
baseFormat,
type,
<ArrayBufferView>image
);
} else {
if (level === 0) {
this.size = [width, height];
}
gl.texImage2D(
target,
level,
format,
width,
height,
0,
baseFormat,
type,
<ArrayBufferView>image
);
}
} else {
if (opts.sub) {
gl.texSubImage2D(
target,
level,
pos[0],
pos[1],
baseFormat,
type,
<TexImageSource>image
);
} else {
if (opts.width && opts.height) {
if (opts.sub) {
gl.texSubImage2D(
target,
level,
pos[0],
pos[1],
opts.width,
opts.height,
baseFormat,
type,
<ArrayBufferView>opts.image
);
} else {
if (level === 0) {
this.size = [opts.width, opts.height];
}
gl.texImage2D(
target,
level,
format,
opts.width,
opts.height,
0,
baseFormat,
type,
<ArrayBufferView>opts.image
);
}
} else {
if (opts.sub) {
gl.texSubImage2D(
target,
level,
pos[0],
pos[1],
baseFormat,
type,
<TexImageSource>opts.image
);
} else {
if (opts.image != null && level == 0) {
this.size = [
(<any>opts.image).width,
(<any>opts.image).height,
];
}
gl.texImage2D(
target,
level,
format,
baseFormat,
type,
<TexImageSource>opts.image
);
}
if (image != null && level === 0) {
this.size = [(<any>image).width, (<any>image).height];
}
gl.texImage2D(
target,
level,
format,
baseFormat,
type,
<TexImageSource>image
);
}
}
}

protected configureImage3d(
target: TextureTarget,
opts: Partial<TextureOpts>
) {
const { image, width, height, depth } = opts;
if (!(width && height && depth)) return;
const level = opts.level || 0;
const pos = opts.pos || [0, 0, 0];
const decl = TEX_FORMATS[this.format];
const baseFormat = decl.format;
const { gl, type, format } = this;
if (opts.sub) {
(<WebGL2RenderingContext>gl).texSubImage3D(
target,
level,
pos[0],
pos[1],
pos[2],
width,
height,
depth,
baseFormat,
type,
<any>image
);
} else {
if (level === 0) {
this.size = [width, height, depth];
}
(<WebGL2RenderingContext>gl).texImage3D(
target,
level,
format,
width,
height,
depth,
0,
baseFormat,
type,
<any>image
);
}
}

protected configureFilter(
target: TextureTarget,
opts: Partial<TextureOpts>
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