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Added runtime texture targets. A pass now returns its resources in getOutputs(), which subsequent passes access as getInputs().

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Rezmason
2021-11-05 01:06:39 -07:00
parent f0ae7731bb
commit 230847e5b8
4 changed files with 67 additions and 58 deletions
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34
js/webgpu/utils.js
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@@ -27,6 +27,14 @@ const loadTexture = async (device, url) => {
return texture;
};
const createRenderTargetTexture = (device, width, height, format = "rgba8unorm") =>
device.createTexture({
size: [width, height, 1],
format,
usage: GPUTextureUsage.TEXTURE_BINDING | GPUTextureUsage.COPY_SRC | GPUTextureUsage.COPY_DST | GPUTextureUsage.RENDER_ATTACHMENT,
// TODO: whittle these down
});
const loadShaderModule = async (device, url) => {
const response = await fetch(url);
const code = await response.text();
@@ -46,22 +54,14 @@ const makeUniformBuffer = (device, structLayout, values = null) => {
return buffer;
};
const makePass = (outputs, ready, setSize, execute) => {
if (ready == null) {
ready = Promise.resolve();
} else if (ready instanceof Array) {
ready = Promise.all(ready);
}
const makePass = (ready, setSize, getOutputs, execute) => ({
ready: ready ?? Promise.resolve(),
setSize: setSize ?? (() => {}),
getOutputs: getOutputs ?? (() => ({})),
execute: execute ?? (() => {}),
});
return {
outputs,
ready,
setSize,
execute,
};
};
const makePipeline = (context, steps) =>
steps.filter((f) => f != null).reduce((pipeline, f, i) => [...pipeline, f(context, i == 0 ? null : pipeline[i - 1].getOutputs)], []);
const makePipeline = (steps, getInputs, context) =>
steps.filter((f) => f != null).reduce((pipeline, f, i) => [...pipeline, f(context, i == 0 ? null : getInputs(pipeline[i - 1]))], []);
export { getCanvasSize, loadTexture, loadShaderModule, makeUniformBuffer, makePass, makePipeline };
export { getCanvasSize, createRenderTargetTexture, loadTexture, loadShaderModule, makeUniformBuffer, makePass, makePipeline };