Method drawFrame

cpp/5_Domain_Specific/simpleVulkanMMAP/main.cpp:310–338

    }

    void drawFrame()
    {
        static chrono_tp startTime = std::chrono::high_resolution_clock::now();

        chrono_tp currentTime = std::chrono::high_resolution_clock::now();
        float     time = std::chrono::duration<float, std::chrono::seconds::period>(currentTime - startTime).count();

        if (m_currentFrame == 0) {
            m_lastTime = startTime;
        }

        cudaExternalSemaphoreWaitParams waitParams = {};
        waitParams.flags                           = 0;
        waitParams.params.fence.value              = 0;

        cudaExternalSemaphoreSignalParams signalParams = {};
        signalParams.flags                             = 0;
        signalParams.params.fence.value                = 0;

        // Have vulkan draw the current frame...
        VulkanBaseApp::drawFrame();
        // Wait for vulkan to complete it's work
        checkCudaErrors(cudaWaitExternalSemaphoresAsync(&m_cudaWaitSemaphore, &waitParams, 1, m_stream));
        // Now step the simulation
        m_sim.stepSimulation(time, m_stream);

        // Signal vulkan to continue with the updated buffers
        checkCudaErrors(cudaSignalExternalSemaphoresAsync(&m_cudaSignalSemaphore, &signalParams, 1, m_stream));
    }
};

int main(int argc, char **argv)