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Add SIMD support to libwebp

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This commit is contained in:
Ingvar Stepanyan
2020-11-13 16:09:15 +00:00
committed by Ingvar Stepanyan
parent f0d341aefa
commit 198ad0fb1b
10 changed files with 242 additions and 2377 deletions
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37
src/features/encoders/webP/worker/webpEncode.ts
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@@ -10,24 +10,45 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import webpEncoder, { WebPModule } from 'codecs/webp/enc/webp_enc';
import wasmUrl from 'url:codecs/webp/enc/webp_enc.wasm';
import { initEmscriptenModule } from 'features/worker-utils';
import type { WebPModule } from 'codecs/webp/enc/webp_enc';
import type { EncodeOptions } from '../shared/meta';
import { initEmscriptenModule } from 'features/worker-utils';
import { simd } from 'wasm-feature-detect';
import wasmUrl from 'url:codecs/webp/enc/webp_enc.wasm';
import wasmUrlWithMTAndSIMD from 'url:codecs/webp/enc/webp_enc_simd.wasm';
import workerUrlWithSIMD from 'omt:codecs/webp/enc/webp_enc_simd.worker.js';
let emscriptenModule: Promise<WebPModule>;
async function init() {
if (await simd()) {
const webpEncoder = await import('codecs/webp/enc/webp_enc_simd');
return initEmscriptenModule(
webpEncoder.default,
wasmUrlWithMTAndSIMD,
workerUrlWithSIMD,
);
}
const webpEncoder = await import('codecs/webp/enc/webp_enc');
return initEmscriptenModule(
webpEncoder.default,
wasmUrl,
);
}
export default async function encode(
data: ImageData,
options: EncodeOptions,
): Promise<ArrayBuffer> {
if (!emscriptenModule) {
emscriptenModule = initEmscriptenModule(webpEncoder, wasmUrl);
}
if (!emscriptenModule) emscriptenModule = init();
const module = await emscriptenModule;
const result = module.encode(data.data, data.width, data.height, options);
if (!result) throw new Error('Encoding error.');
// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
return result.buffer as ArrayBuffer;
return result.buffer;
}