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// This file is part of the 64k demo project.
// It provides shared WebGPU initialization for GPU tests.
// Eliminates boilerplate and enables graceful skipping if GPU unavailable.
#pragma once
#include "gpu/gpu.h"
#include "platform/platform.h"
// Shared test fixture for WebGPU tests
// Handles device/queue initialization and cleanup
class WebGPUTestFixture {
public:
WebGPUTestFixture();
~WebGPUTestFixture();
// Initialize WebGPU device and queue
// Returns true on success, false if GPU unavailable (test should skip)
bool init();
// Cleanup resources
void shutdown();
// Accessors
WGPUInstance instance() const {
return instance_;
}
WGPUDevice device() const {
return device_;
}
WGPUQueue queue() const {
return queue_;
}
WGPUTextureFormat format() const {
return WGPUTextureFormat_BGRA8Unorm;
}
GpuContext ctx() const {
return {device_, queue_, format()};
}
// Check if fixture is ready
bool is_initialized() const {
return device_ != nullptr;
}
private:
WGPUInstance instance_ = nullptr;
WGPUAdapter adapter_ = nullptr;
WGPUDevice device_ = nullptr;
WGPUQueue queue_ = nullptr;
// Callback state for async device request
struct RequestState {
WGPUAdapter adapter = nullptr;
WGPUDevice device = nullptr;
bool done = false;
};
static void adapter_callback(WGPURequestAdapterStatus status,
WGPUAdapter adapter, const char* message,
void* userdata);
static void device_callback(WGPURequestDeviceStatus status, WGPUDevice device,
const char* message, void* userdata);
};
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