Capabilities.h

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#pragma once
 
#include "graphics/webgpu/wgpu_types.h"
 
#include <cstdint>
 
namespace eve::graphics::webgpu {
 
class Capabilities {
public:
    Capabilities() = default;
 
    static WGPUTextureFormat querySurfaceFormat(wgpu::Adapter &adapter, wgpu::Surface &surface,
                                                WGPUTextureFormat defaultFormat);
 
    void capture(wgpu::Adapter &adapter, wgpu::Device &device);
 
    bool supportsSampleCount(uint32_t count) const;
 
    bool supportsFormat(WGPUTextureFormat format) const;
 
    uint32_t maxTextureDimension2D() const { return maxTextureDim2D_; }
 
    uint32_t maxBindGroups() const { return maxBindGroups_; }
 
    uint32_t maxDynamicUniformBuffers() const { return maxDynamicUniformBuffers_; }
 
    uint32_t maxSampledTexturesPerShaderStage() const { return maxSampledTexturesPerShaderStage_; }
 
    uint32_t maxSamplersPerShaderStage() const { return maxSamplersPerShaderStage_; }
 
    float maxSamplerAnisotropy() const { return maxAnisotropy_; }
 
private:
    // Conservative defaults: a value that is never worse than a guaranteed limit
    // so an uncaptured Capabilities still lets valid calls through.
    uint32_t maxTextureDim2D_ = 16384;
    uint32_t maxBindGroups_ = 4;
    uint32_t maxDynamicUniformBuffers_ = 8;
    uint32_t maxSampledTexturesPerShaderStage_ = 16;
    uint32_t maxSamplersPerShaderStage_ = 16;
    float maxAnisotropy_ = 16.f;
    uint32_t maxSampleCount_ = 4;
    bool captured_ = false;
};
 
}  // namespace eve::graphics::webgpu