| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) 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 THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| // https://gpuweb.github.io/gpuweb |
| |
| [ |
| ImplementedAs=GPUBlendFactor |
| ] enum GPUBlendFactor { |
| "zero", |
| "one", |
| "src-color", |
| "one-minus-src-color", |
| "src-alpha", |
| "one-minus-src-alpha", |
| "dst-color", |
| "one-minus-dst-color", |
| "dst-alpha", |
| "one-minus-dst-alpha", |
| "src-alpha-saturated", |
| "blend-color", |
| "one-minus-blend-color" |
| }; |
| |
| [ |
| ImplementedAs=GPUBlendOperation |
| ] enum GPUBlendOperation { |
| "add", |
| "subtract", |
| "reverse-subtract", |
| "min", |
| "max" |
| }; |
| |
| [ |
| Conditional=WEBGPU, |
| EnabledAtRuntime=WebGPU |
| ] dictionary GPUBlendDescriptor { |
| GPUBlendFactor srcFactor = "one"; |
| GPUBlendFactor dstFactor = "zero"; |
| GPUBlendOperation operation = "add"; |
| }; |