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This commit is contained in:
Simon Eves 2022-03-31 16:31:48 -07:00
parent b312abaa07
commit cbd0b5f506
4 changed files with 29 additions and 5 deletions
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2
.gitignore vendored Normal file
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@ -0,0 +1,2 @@
*.o
bin/

4
Samples/5_Domain_Specific/simpleVulkanMMAP/MonteCarloPi.cu
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@ -168,8 +168,8 @@ void MonteCarloPiSimulation::computePiCallback(void *args) {
cbData->m_totalPointsSimulated += cbData->m_numPoints;
double piValue = 4.0 * ((double)cbData->m_totalPointsInsideCircle /
(double)cbData->m_totalPointsSimulated);
printf("Approximate Pi value for %zd data points: %lf \n",
cbData->m_totalPointsSimulated, piValue);
//printf("Approximate Pi value for %zd data points: %lf \n",
// cbData->m_totalPointsSimulated, piValue);
}
void MonteCarloPiSimulation::getIdealExecutionConfiguration() {

15
Samples/5_Domain_Specific/simpleVulkanMMAP/VulkanBaseApp.cpp
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@ -622,8 +622,15 @@ void VulkanBaseApp::createDevice() {
queueCreateInfos.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = {};
deviceFeatures.fillModeNonSolid = true;
// (SE) change to VkPhysicalDeviceFeatures2 to allow chaining
VkPhysicalDeviceFeatures2 deviceFeatures2 = {};
deviceFeatures2.features.fillModeNonSolid = true;
// (SE) add enable for BDA
VkPhysicalDeviceBufferAddressFeaturesEXT buffer_device_address_features{};
buffer_device_address_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BUFFER_DEVICE_ADDRESS_FEATURES_EXT;
buffer_device_address_features.bufferDeviceAddress = VK_TRUE;
deviceFeatures2.pNext = &buffer_device_address_features;
VkDeviceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
@ -632,7 +639,9 @@ void VulkanBaseApp::createDevice() {
createInfo.queueCreateInfoCount =
static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pEnabledFeatures = &deviceFeatures;
// (SE) now chained
// createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.pNext = &deviceFeatures2;
std::vector<const char *> deviceExtensions = getRequiredDeviceExtensions();
deviceExtensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);

13
Samples/5_Domain_Specific/simpleVulkanMMAP/main.cpp
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@ -226,6 +226,17 @@ class VulkanCudaPi : public VulkanBaseApp {
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, m_inCircleBuffer,
m_inCircleMemory);
// (SE) get function ptr
auto* vkGetBufferDeviceAddressKHR = (PFN_vkGetBufferDeviceAddressKHR)vkGetDeviceProcAddr(m_device, "vkGetBufferDeviceAddressKHR");
std::cout << "DEBUG: vkGetBufferDeviceAddressKHR = " << (void*)vkGetBufferDeviceAddressKHR << std::endl;
// get BDA for the circle buffer
VkBufferDeviceAddressInfoKHR bda_info{VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO_KHR,
nullptr,
m_inCircleBuffer};
auto bda = vkGetBufferDeviceAddressKHR(m_device, &bda_info);
std::cout << "DEBUG: BDA = " << (void*)bda << std::endl;
// Create the semaphore vulkan will signal when it's done with the vertex
// buffer
createExternalSemaphore(m_vkSignalSemaphore,
@ -306,6 +317,8 @@ class VulkanCudaPi : public VulkanBaseApp {
extensions.push_back(VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME);
extensions.push_back(VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME);
#endif /* _WIN64 */
// (SE) add BDA as required device extension
extensions.push_back(VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME);
return extensions;
}