Changeset e3bef3a in opengl-game for vulkan-utils.hpp

Timestamp:

Nov 12, 2019, 6:55:07 AM (5 years ago)

Author:

Dmitry Portnoy <dmp1488@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

cd487fb

Parents:

5a23277

Message:

Finish the rewrite of the original vulkangame project

File:

• vulkan-utils.hpp (modified) (2 diffs)

vulkan-utils.hpp

@@ -87 +87 @@
             uint32_t width, uint32_t height, VkQueue graphicsQueue);
 
+      template<class DataType>
+      static void copyDataToBuffer(VkDevice device, VkPhysicalDevice physicalDevice, VkCommandPool commandPool,
+            const vector<DataType>& srcData, VkBuffer dstBuffer, size_t dstVertexOffset, VkQueue graphicsQueue);
+
       static void copyBuffer(VkDevice device, VkCommandPool commandPool, VkBuffer srcBuffer, VkBuffer dstBuffer,
             VkDeviceSize srcOffset, VkDeviceSize dstOffset, VkDeviceSize size, VkQueue graphicsQueue);
@@ -95 +99 @@
 };
 
+template<class DataType>
+void VulkanUtils::copyDataToBuffer(VkDevice device, VkPhysicalDevice physicalDevice, VkCommandPool commandPool,
+      const vector<DataType>& srcData, VkBuffer dstBuffer, size_t dstVertexOffset, VkQueue graphicsQueue) {
+   VkDeviceSize srcDataSize = srcData.size() * sizeof(DataType);
+
+   VkBuffer stagingBuffer;
+   VkDeviceMemory stagingBufferMemory;
+   createBuffer(device, physicalDevice, srcDataSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+      VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
+      stagingBuffer, stagingBufferMemory);
+
+   void* data;
+   vkMapMemory(device, stagingBufferMemory, 0, srcDataSize, 0, &data);
+   memcpy(data, srcData.data(), (size_t)srcDataSize);
+   vkUnmapMemory(device, stagingBufferMemory);
+
+   copyBuffer(device, commandPool, stagingBuffer, dstBuffer, 0, dstVertexOffset * sizeof(DataType), srcDataSize,
+      graphicsQueue);
+
+   vkDestroyBuffer(device, stagingBuffer, nullptr);
+   vkFreeMemory(device, stagingBufferMemory, nullptr);
+}
+
 #endif // _VULKAN_UTILS_H