Add file structure to code

- Rename project to CopiumEngine
2023-02-07 21:43:47 +01:00
parent ef4eb7dd2f
commit 827572eada
494 changed files with 205 additions and 195 deletions
@@ -0,0 +1,53 @@
+#include "copium/sampler/Texture2D.h"
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb/stb_image.h>
+
+namespace Copium
+{
+  Texture2D::Texture2D(Instance& instance, const std::string& filename)
+    : Sampler{instance}
+  {
+    InitializeTextureImage(filename);
+  }
+
+  Texture2D::~Texture2D()
+  {
+    vkDestroyImage(instance.GetDevice(), image, nullptr);
+    vkFreeMemory(instance.GetDevice(), imageMemory, nullptr);
+    vkDestroyImageView(instance.GetDevice(), imageView, nullptr);
+  }
+
+  VkDescriptorImageInfo Texture2D::GetDescriptorImageInfo(int index) const
+  {
+    VkDescriptorImageInfo imageInfo{};
+    imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+    imageInfo.sampler = sampler;
+    imageInfo.imageView = imageView;
+
+    return imageInfo;
+  }
+
+  void Texture2D::InitializeTextureImage(const std::string& filename)
+  {
+    int texWidth;
+    int texHeight;
+    int texChannels;
+    stbi_uc* pixels = stbi_load(filename.c_str(), &texWidth, &texHeight, &texChannels, STBI_rgb_alpha);
+
+    CP_ASSERT(pixels, "InitializeTextureImage : Failed to load texture image");
+
+    VkDeviceSize bufferSize = texWidth * texHeight * 4;
+    Buffer stagingBuffer{instance, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, bufferSize, 1};
+    void* data = stagingBuffer.Map();
+    memcpy(data, pixels, bufferSize);
+    stagingBuffer.Unmap();
+    stbi_image_free(pixels);
+
+    Image::InitializeImage(instance, texWidth, texHeight, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &image, &imageMemory);
+    Image::TransitionImageLayout(instance, image, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+    Image::CopyBufferToImage(instance, stagingBuffer, image, texWidth, texHeight);
+    Image::TransitionImageLayout(instance, image, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+    imageView = Image::InitializeImageView(instance, image, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT);
+  }
+}