mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-09 16:48:43 +08:00
99 lines
4.1 KiB
TypeScript
99 lines
4.1 KiB
TypeScript
/******************************************************************************
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* Spine Runtimes Software License v2.5
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*
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* Copyright (c) 2013-2016, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable, and
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* non-transferable license to use, install, execute, and perform the Spine
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* Runtimes software and derivative works solely for personal or internal
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* use. Without the written permission of Esoteric Software (see Section 2 of
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* the Spine Software License Agreement), you may not (a) modify, translate,
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* adapt, or develop new applications using the Spine Runtimes or otherwise
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* create derivative works or improvements of the Spine Runtimes or (b) remove,
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* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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module spine.webgl {
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export class GLTexture extends Texture implements Disposable, Restorable {
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private context: ManagedWebGLRenderingContext;
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private texture: WebGLTexture = null;
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private boundUnit = 0;
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private useMipMaps = false;
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constructor (context: ManagedWebGLRenderingContext | WebGLRenderingContext, image: HTMLImageElement, useMipMaps: boolean = false) {
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super(image);
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this.context = context instanceof ManagedWebGLRenderingContext? context : new ManagedWebGLRenderingContext(context);
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this.useMipMaps = useMipMaps;
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this.restore();
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this.context.addRestorable(this);
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}
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setFilters (minFilter: TextureFilter, magFilter: TextureFilter) {
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let gl = this.context.gl;
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this.bind();
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, minFilter);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, magFilter);
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}
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setWraps (uWrap: TextureWrap, vWrap: TextureWrap) {
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let gl = this.context.gl;
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this.bind();
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, uWrap);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, vWrap);
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}
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update (useMipMaps: boolean) {
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let gl = this.context.gl;
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if (!this.texture) {
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this.texture = this.context.gl.createTexture();
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}
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this.bind();
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this._image);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, useMipMaps ? gl.LINEAR_MIPMAP_LINEAR : gl.LINEAR);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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if (useMipMaps) gl.generateMipmap(gl.TEXTURE_2D);
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}
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restore () {
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this.texture = null;
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this.update(this.useMipMaps);
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}
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bind (unit: number = 0) {
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let gl = this.context.gl;
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this.boundUnit = unit;
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gl.activeTexture(gl.TEXTURE0 + unit);
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gl.bindTexture(gl.TEXTURE_2D, this.texture);
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}
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unbind () {
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let gl = this.context.gl;
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gl.activeTexture(gl.TEXTURE0 + this.boundUnit);
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gl.bindTexture(gl.TEXTURE_2D, null);
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}
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dispose () {
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this.context.removeRestorable(this);
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let gl = this.context.gl;
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gl.deleteTexture(this.texture);
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}
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}
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}
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