If float filtering is not supported, then it falls back to using unfi…

…lterable settings. (#18411)
cocos · Mar 5, 2025 · 72a8216 · 72a8216
1 parent dcdf54d
commit 72a8216
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/cocos/gfx/webgpu/webgpu-commands.ts b/cocos/gfx/webgpu/webgpu-commands.ts
@@ -66,6 +66,7 @@ import {
     IWebGPUGPUShaderStage,
 } from './webgpu-gpu-objects';
 import { error, log, warn } from '../../core';
+import { WebGPUDeviceManager } from './define';
 
 const WebGPUAdressMode: GPUAddressMode[] = [
     'repeat', // WRAP,
@@ -1402,8 +1403,10 @@ export function createBindGroupLayoutEntry (currBind: DescriptorSetLayoutBinding
         visibility: gpuVisibility,
     };
     entrys.push(entry);
+    const device = WebGPUDeviceManager.instance;
     let entrySampler: GPUBindGroupLayoutEntry | null = null;
-    const samplerType = GFXSampleTypeToGPUTextureSampleType[currBind.sampleType];
+    let samplerType = GFXSampleTypeToGPUTextureSampleType[currBind.sampleType];
+    if (samplerType === 'float' && !device.FloatFilterable) { samplerType = 'unfilterable-float'; }
     const isTexUnFilter = samplerType === 'unfilterable-float';
     const viewDimension = GFXViewDimensionToGPUViewDimension[currBind.viewDimension];
     const type = currBind.descriptorType;

diff --git a/cocos/gfx/webgpu/webgpu-descriptor-set.ts b/cocos/gfx/webgpu/webgpu-descriptor-set.ts
@@ -130,7 +130,8 @@ export class WebGPUDescriptorSet extends DescriptorSet {
         const currTexture = (this._textures[bind.binding] || device.defaultResource.texture) as WebGPUTexture;
         const levelCount = currTexture.levelCount;
         const texFormat = currTexture.format;
-        const isUnFilter = FormatToWGPUFormatType(texFormat) === 'unfilterable-float';
+        const isUnFilter = FormatToWGPUFormatType(texFormat) === 'unfilterable-float'
+        || (FormatToWGPUFormatType(texFormat) === 'float' && !device.FloatFilterable);
         if (isUnFilter) {
             sampler.gpuSampler.minFilter = Filter.POINT;
             sampler.gpuSampler.magFilter = Filter.POINT;

diff --git a/cocos/gfx/webgpu/webgpu-device.ts b/cocos/gfx/webgpu/webgpu-device.ts
@@ -477,6 +477,10 @@ export class WebGPUDevice extends Device {
         defaultResource.descSet.update();
     }
 
+    get FloatFilterable (): boolean {
+        return this._adapter!.features.has('float32-filterable');
+    }
+
     private async initDevice (info: Readonly<DeviceInfo>): Promise<boolean> {
         const gpu = navigator.gpu;
         this._adapter = await gpu?.requestAdapter();