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Detect time domains available for calibration.
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@ -45,14 +45,34 @@ class VkCtx
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public:
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VkCtx( VkPhysicalDevice physdev, VkDevice device, VkQueue queue, VkCommandBuffer cmdbuf, PFN_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT _vkGetPhysicalDeviceCalibrateableTimeDomainsEXT, PFN_vkGetCalibratedTimestampsEXT _vkGetCalibratedTimestampsEXT )
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: m_device( device )
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, m_timeDomain( VK_TIME_DOMAIN_DEVICE_EXT )
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, m_context( GetGpuCtxCounter().fetch_add( 1, std::memory_order_relaxed ) )
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, m_head( 0 )
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, m_tail( 0 )
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, m_oldCnt( 0 )
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, m_queryCount( QueryCount )
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, m_vkGetCalibratedTimestampsEXT( _vkGetCalibratedTimestampsEXT )
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{
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assert( m_context != 255 );
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if( _vkGetPhysicalDeviceCalibrateableTimeDomainsEXT && _vkGetCalibratedTimestampsEXT )
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{
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uint32_t num;
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_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT( physdev, &num, nullptr );
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if( num > 4 ) num = 4;
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VkTimeDomainEXT data[4];
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_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT( physdev, &num, data );
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for( uint32_t i=0; i<num; i++ )
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{
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// TODO VK_TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT
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if( data[i] == VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT )
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{
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m_timeDomain = data[i];
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break;
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}
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}
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}
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VkPhysicalDeviceProperties prop;
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vkGetPhysicalDeviceProperties( physdev, &prop );
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const float period = prop.limits.timestampPeriod;
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@ -186,6 +206,8 @@ private:
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VkDevice m_device;
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VkQueryPool m_query;
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VkTimeDomainEXT m_timeDomain;
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uint64_t m_deviation;
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uint8_t m_context;
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unsigned int m_head;
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@ -194,6 +216,8 @@ private:
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unsigned int m_queryCount;
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int64_t* m_res;
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PFN_vkGetCalibratedTimestampsEXT m_vkGetCalibratedTimestampsEXT;
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};
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class VkCtxScope
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