Changeset f97c5e7 in opengl-game for vulkan-game.hpp

Timestamp:

Nov 22, 2019, 7:58:45 PM (5 years ago)

Author:

Dmitry Portnoy <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

aa00bf2

Parents:

8e02b6b

Message:

Create an initGraphicsPipelines() function and templatize and generalize the createUniformBuffers() functionso it can be used to create a uniform buffer of any type

File:

• vulkan-game.hpp (modified) (4 diffs)

vulkan-game.hpp

@@ -88 +88 @@
       VkSampler textureSampler;
 
-      vector<VkDescriptorBufferInfo> uniformBufferInfoList;
-
       // These are currently to store the MVP matrix
       // I should figure out if it makes sense to use them for other uniforms in the future
       // If not, I should rename them to better indicate their purpose.
-      // I should also decide if I can use these for all shaders, or if I need a separapte set of buffers for each one
       vector<VkBuffer> uniformBuffers;
       vector<VkDeviceMemory> uniformBuffersMemory;
+
+      vector<VkDescriptorBufferInfo> uniformBufferInfoList;
 
       VulkanImage floorTextureImage;
@@ -118 +117 @@
       bool initWindow(int width, int height, unsigned char guiFlags);
       void initVulkan();
+      void initGraphicsPipelines();
       void initMatrices();
       void mainLoop();
@@ -143 +143 @@
       void createTextureSampler();
       void createFramebuffers();
-      void createUniformBuffers();
       void createCommandBuffers();
       void createSyncObjects();
+
+      template<class UniformType>
+      void createUniformBuffers(vector<VkBuffer>& buffers, vector<VkDeviceMemory>& buffersMemory,
+         vector<VkDescriptorBufferInfo>& bufferInfoList);
 
       void recreateSwapChain();
@@ -158 +161 @@
 };
 
+template<class UniformType>
+void VulkanGame::createUniformBuffers(vector<VkBuffer>& buffers, vector<VkDeviceMemory>& buffersMemory,
+      vector<VkDescriptorBufferInfo>& bufferInfoList) {
+   buffers.resize(swapChainImages.size());
+   buffersMemory.resize(swapChainImages.size());
+   bufferInfoList.resize(swapChainImages.size());
+
+   for (size_t i = 0; i < swapChainImages.size(); i++) {
+      VulkanUtils::createBuffer(device, physicalDevice, sizeof(UniformType), VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+         VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
+         buffers[i], buffersMemory[i]);
+
+      bufferInfoList[i].buffer = buffers[i];
+      bufferInfoList[i].offset = 0;
+      bufferInfoList[i].range = sizeof(UniformType);
+   }
+}
+
 #endif // _VULKAN_GAME_H