@esotericsoftware/spine-webgl
Version:
The official Spine Runtimes for the web.
117 lines • 10 kB
JavaScript
/******************************************************************************
* Spine Runtimes License Agreement
* Last updated July 28, 2023. Replaces all prior versions.
*
* Copyright (c) 2013-2023, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software or
* otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
import { Texture, TextureFilter } from "@esotericsoftware/spine-core";
import { ManagedWebGLRenderingContext } from "./WebGL.js";
export class GLTexture extends Texture {
context;
texture = null;
boundUnit = 0;
useMipMaps = false;
static DISABLE_UNPACK_PREMULTIPLIED_ALPHA_WEBGL = false;
constructor(context, image, useMipMaps = false) {
super(image);
this.context = context instanceof ManagedWebGLRenderingContext ? context : new ManagedWebGLRenderingContext(context);
this.useMipMaps = useMipMaps;
this.restore();
this.context.addRestorable(this);
}
setFilters(minFilter, magFilter) {
let gl = this.context.gl;
this.bind();
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, minFilter);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, GLTexture.validateMagFilter(magFilter));
this.useMipMaps = GLTexture.usesMipMaps(minFilter);
if (this.useMipMaps)
gl.generateMipmap(gl.TEXTURE_2D);
}
static validateMagFilter(magFilter) {
switch (magFilter) {
case TextureFilter.MipMapLinearLinear:
case TextureFilter.MipMapLinearNearest:
case TextureFilter.MipMapNearestLinear:
case TextureFilter.MipMapNearestNearest:
return TextureFilter.Linear;
default:
return magFilter;
}
}
static usesMipMaps(filter) {
switch (filter) {
case TextureFilter.MipMapLinearLinear:
case TextureFilter.MipMapLinearNearest:
case TextureFilter.MipMapNearestLinear:
case TextureFilter.MipMapNearestNearest:
return true;
default:
return false;
}
}
setWraps(uWrap, vWrap) {
let gl = this.context.gl;
this.bind();
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, uWrap);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, vWrap);
}
update(useMipMaps) {
let gl = this.context.gl;
if (!this.texture)
this.texture = this.context.gl.createTexture();
this.bind();
if (GLTexture.DISABLE_UNPACK_PREMULTIPLIED_ALPHA_WEBGL)
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this._image);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, useMipMaps ? gl.LINEAR_MIPMAP_LINEAR : gl.LINEAR);
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);
if (useMipMaps)
gl.generateMipmap(gl.TEXTURE_2D);
}
restore() {
this.texture = null;
this.update(this.useMipMaps);
}
bind(unit = 0) {
let gl = this.context.gl;
this.boundUnit = unit;
gl.activeTexture(gl.TEXTURE0 + unit);
gl.bindTexture(gl.TEXTURE_2D, this.texture);
}
unbind() {
let gl = this.context.gl;
gl.activeTexture(gl.TEXTURE0 + this.boundUnit);
gl.bindTexture(gl.TEXTURE_2D, null);
}
dispose() {
this.context.removeRestorable(this);
let gl = this.context.gl;
gl.deleteTexture(this.texture);
}
}
//# sourceMappingURL=data:application/json;base64,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