sdfsdfs

node_modules/pixi.js/lib/rendering/renderers/gpu/buffer/GpuReadBuffer.js

@@ -0,0 +1,39 @@
+'use strict';
+
+var Buffer = require('../../shared/buffer/Buffer.js');
+var _const = require('../../shared/buffer/const.js');
+
+"use strict";
+function GpuReadBuffer(buffer, renderer) {
+  const bufferSize = buffer.descriptor.size;
+  const device = renderer.gpu.device;
+  const stagingBuffer = new Buffer.Buffer({
+    data: new Float32Array(24e5),
+    usage: _const.BufferUsage.MAP_READ | _const.BufferUsage.COPY_DST
+  });
+  const stagingGPUBuffer = renderer.buffer.createGPUBuffer(stagingBuffer);
+  const commandEncoder = device.createCommandEncoder();
+  commandEncoder.copyBufferToBuffer(
+    renderer.buffer.getGPUBuffer(buffer),
+    0,
+    // Source offset
+    stagingGPUBuffer,
+    0,
+    // Destination offset
+    bufferSize
+  );
+  device.queue.submit([commandEncoder.finish()]);
+  void stagingGPUBuffer.mapAsync(
+    GPUMapMode.READ,
+    0,
+    // Offset
+    bufferSize
+    // Length
+  ).then(() => {
+    stagingGPUBuffer.getMappedRange(0, bufferSize);
+    stagingGPUBuffer.unmap();
+  });
+}
+
+exports.GpuReadBuffer = GpuReadBuffer;
+//# sourceMappingURL=GpuReadBuffer.js.map