Changeset bb76950 in opengl-game for sdl-game.cpp

Timestamp:

Jun 9, 2021, 6:41:48 PM (4 years ago)

Author:

Dmitry Portnoy <dportnoy@…>

Branches:

feature/imgui-sdl

Children:

b7fc3c2

Parents:

6bac215

git-author:

Dmitry Portnoy <dportnoy@…> (06/09/21 18:41:20)

git-committer:

Dmitry Portnoy <dportnoy@…> (06/09/21 18:41:48)

Message:

Change VulkanGame::resizeBufferSet() to take a buffer size instead of an entire
VulkanBuffer object, and to not update descriptor sets, which obviates the need
to pass in a GraphicsPipeline_Vulkan object. Descriptor set updates must
now be handled separetly.

File:

• sdl-game.cpp (modified) (2 diffs)

sdl-game.cpp

@@ -459 +459 @@
    if (objects_modelPipeline.resized) {
       // TODO: Also resize the dynamic ubo
-      resizeBufferSet(storageBuffers_modelPipeline, objects_modelPipeline, modelPipeline, resourceCommandPool,
-                      graphicsQueue);
+      resizeBufferSet(storageBuffers_modelPipeline, objects_modelPipeline.capacity * sizeof(SSBO_ModelObject),
+                      resourceCommandPool, graphicsQueue, true);
 
       objects_modelPipeline.resize();
+
+      modelPipeline.updateDescriptorInfo(1, &storageBuffers_modelPipeline.infoSet, swapChainImages.size());
    }
 
@@ -1130 +1132 @@
 }
 
+void VulkanGame::resizeBufferSet(BufferSet& set, VkDeviceSize newSize, VkCommandPool commandPool,
+                                 VkQueue graphicsQueue, bool copyData) {
+   for (size_t i = 0; i < set.buffers.size(); i++) {
+      VkBuffer newBuffer;
+      VkDeviceMemory newMemory;
+
+      VulkanUtils::createBuffer(device, physicalDevice, newSize, set.usages, set.properties, newBuffer, newMemory);
+
+      if (copyData) {
+         VulkanUtils::copyBuffer(device, commandPool, set.buffers[i], newBuffer, 0, 0, set.infoSet[i].range,
+                                 graphicsQueue);
+      }
+
+      vkDestroyBuffer(device, set.buffers[i], nullptr);
+      vkFreeMemory(device, set.memory[i], nullptr);
+
+      set.buffers[i] = newBuffer;
+      set.memory[i] = newMemory;
+
+      set.infoSet[i].buffer = set.buffers[i];
+      set.infoSet[i].offset = 0; // This is the offset from the start of the buffer, so always 0 for now
+      set.infoSet[i].range = newSize; // Size of the update starting from offset, or VK_WHOLE_SIZE
+   }
+}
+
 void VulkanGame::renderFrame(ImDrawData* draw_data) {
    VkResult result = vkAcquireNextImageKHR(device, swapChain, numeric_limits<uint64_t>::max(),