Changes in vulkan-ref.cpp [7563b8a:a0da009] in opengl-game

File:

• vulkan-ref.cpp (modified) (13 diffs)

vulkan-ref.cpp

@@ -102 +102 @@
 
    size_t numVertices; // Currently unused
-   size_t vertexCapacity;
    VkBuffer vertexBuffer;
    VkDeviceMemory vertexBufferMemory;
 
    size_t numIndices;
-   size_t indexCapacity;
    VkBuffer indexBuffer;
    VkDeviceMemory indexBufferMemory;
@@ -228 +226 @@
 
       size_t currentFrame = 0;
-
-      size_t numPlanes = 0; // temp
 
 /*** START OF REFACTORED CODE ***/
@@ -330 +326 @@
 /*** END OF REFACTORED CODE ***/
 
+         // THIS SECTION IS WHERE TEXTURES ARE CREATED, MAYBE SPLIT IT OFF INTO A SEPARATE FUNCTION
+         // MAY WANT TO CREATE A STRUCT TO HOLD SIMILAR VARIABLES< LIKE THOSE FOR A TEXTURE
+
          createImageResources("textures/texture.jpg", textureImage, textureImageMemory, textureImageView);
          createImageResourcesFromSDLTexture(uiOverlay, sdlOverlayImage, sdlOverlayImageMemory, sdlOverlayImageView);
@@ -343 +342 @@
          overlayImageInfo.imageView = sdlOverlayImageView;
          overlayImageInfo.sampler = textureSampler;
+
+         // SHADER-SPECIFIC STUFF STARTS HERE
 
          vector<Vertex> sceneVertices = {
@@ -373 +374 @@
          createDescriptorSetLayout(scenePipeline);
 
-         numPlanes = 2;
 
          vector<OverlayVertex> overlayVertices = {
@@ -813 +813 @@
 
          info.numVertices = numVertices;
-         info.vertexCapacity = numVertices * 2;
-         createVertexBuffer(info, vertexData, vertexSize);
+         createVertexBuffer(info, vertexData, vertexSize * numVertices);
 
          info.numIndices = numIndices;
-         info.indexCapacity = numIndices * 2;
-         createIndexBuffer(info, indexData, indexSize);
+         createIndexBuffer(info, indexData, indexSize * numIndices);
       }
 
@@ -1395 +1393 @@
       }
 
-      void createVertexBuffer(GraphicsPipelineInfo& info, const void* vertexData, int vertexSize) {
-         VkDeviceSize bufferSize = info.numVertices * vertexSize;
-         VkDeviceSize bufferCapacity = info.vertexCapacity * vertexSize;
-
+      void createVertexBuffer(GraphicsPipelineInfo& info, const void* vertexData, VkDeviceSize bufferSize) {
          VkBuffer stagingBuffer;
          VkDeviceMemory stagingBufferMemory;
@@ -1410 +1405 @@
          vkUnmapMemory(device, stagingBufferMemory);
 
-         createBuffer(bufferCapacity, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
+         createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
             VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, info.vertexBuffer, info.vertexBufferMemory);
 
-         copyBuffer(stagingBuffer, info.vertexBuffer, 0, 0, bufferSize);
+         copyBuffer(stagingBuffer, info.vertexBuffer, bufferSize);
 
          vkDestroyBuffer(device, stagingBuffer, nullptr);
@@ -1419 +1414 @@
       }
 
-      void createIndexBuffer(GraphicsPipelineInfo& info, const void* indexData, int indexSize) {
-         VkDeviceSize bufferSize = info.numIndices * indexSize;
-         VkDeviceSize bufferCapacity = info.indexCapacity * indexSize;
-
+      void createIndexBuffer(GraphicsPipelineInfo& info, const void* indexData, VkDeviceSize bufferSize) {
          VkBuffer stagingBuffer;
          VkDeviceMemory stagingBufferMemory;
@@ -1434 +1426 @@
          vkUnmapMemory(device, stagingBufferMemory);
 
-         createBuffer(bufferCapacity, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
+         createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
             VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, info.indexBuffer, info.indexBufferMemory);
 
-         copyBuffer(stagingBuffer, info.indexBuffer, 0, 0, bufferSize);
+         copyBuffer(stagingBuffer, info.indexBuffer, bufferSize);
 
          vkDestroyBuffer(device, stagingBuffer, nullptr);
@@ -1487 +1479 @@
       }
 
-      void copyDataToBuffer(const void* srcData, VkBuffer dst, VkDeviceSize dstOffset, VkDeviceSize dataSize) {
-         VkBuffer stagingBuffer;
-         VkDeviceMemory stagingBufferMemory;
-         createBuffer(dataSize, 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, dataSize, 0, &data);
-         memcpy(data, srcData, (size_t) dataSize);
-         vkUnmapMemory(device, stagingBufferMemory);
-
-         copyBuffer(stagingBuffer, dst, 0, dstOffset, dataSize);
-
-         vkDestroyBuffer(device, stagingBuffer, nullptr);
-         vkFreeMemory(device, stagingBufferMemory, nullptr);
-      }
-
-      void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize srcOffset, VkDeviceSize dstOffset,
-            VkDeviceSize size) {
+      void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size) {
          VkCommandBuffer commandBuffer = beginSingleTimeCommands();
 
-         VkBufferCopy copyRegion = { srcOffset, dstOffset, size };
+         VkBufferCopy copyRegion = {};
+         copyRegion.size = size;
          vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, &copyRegion);
 
@@ -1709 +1683 @@
       }
 
-      bool addObjectToScene(GraphicsPipelineInfo& info,
-            const void* vertexData, int vertexSize, size_t numVertices,
-            vector<uint16_t>& indices, size_t numIndices) {
-         int indexSize = sizeof(uint16_t);
-
-         for (uint16_t& idx : indices) {
-            idx += info.numVertices;
-         }
-
-         if (info.numVertices + numVertices > info.vertexCapacity) {
-            cout << "ERROR: Need to resize vertex buffers" << endl;
-         } else if (info.numIndices + numIndices > info.indexCapacity) {
-            cout << "ERROR: Need to resize index buffers" << endl;
-         } else {
-            cout << "Added object to scene" << endl;
-
-            copyDataToBuffer(vertexData, info.vertexBuffer, info.numVertices * vertexSize, numVertices * vertexSize);
-            info.numVertices += numVertices;
-
-            copyDataToBuffer(indices.data(), info.indexBuffer, info.numIndices * indexSize, numIndices * indexSize);
-            info.numIndices += numIndices;
-
-            vkFreeCommandBuffers(device, commandPool, static_cast<uint32_t>(commandBuffers.size()), commandBuffers.data());
-            createCommandBuffers();
-
-            return true;
-         }
-
-         return false;
-      }
-
 /*** START OF REFACTORED CODE ***/
       void mainLoop() {
@@ -1752 +1695 @@
                }
                if (e.type == SDL_KEYDOWN) {
-                  if (e.key.keysym.sym == SDLK_SPACE) {
-                     float zOffset = -0.5f + (0.5f * numPlanes);
-                     vector<Vertex> vertices = {
-                        {{-0.5f, -0.5f,  zOffset}, {1.0f, 0.0f, 0.0f}, {0.0f, 1.0f}},
-                        {{ 0.5f, -0.5f,  zOffset}, {0.0f, 1.0f, 0.0f}, {1.0f, 1.0f}},
-                        {{ 0.5f,  0.5f,  zOffset}, {0.0f, 0.0f, 1.0f}, {1.0f, 0.0f}},
-                        {{-0.5f,  0.5f,  zOffset}, {1.0f, 1.0f, 1.0f}, {0.0f, 0.0f}}
-                     };
-                     vector<uint16_t> indices = {
-                        0, 1, 2, 2, 3, 0
-                     };
-
-                     if (addObjectToScene(scenePipeline,
-                           vertices.data(), sizeof(Vertex), vertices.size(),
-                           indices, indices.size())) {
-                        numPlanes++;
-                     }
-                  } else if (e.key.keysym.sym == SDLK_ESCAPE) {
+                  if (e.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
                      quit = true;
                   }