Added buffer.

aster/CMakeLists.txt

@@ -21,7 +21,8 @@ set(HEADER_FILES
         device.h
         swapchain.h
         "pipeline.h"
-        queue_allocation.h)
+        queue_allocation.h
+        buffer.h)
 
 set(SOURCE_FILES
         logger.cpp
@@ -31,7 +32,8 @@ set(SOURCE_FILES
         physical_device.cpp
         device.cpp
         swapchain.cpp
-        pipeline.cpp)
+        pipeline.cpp
+        buffer.cpp)
 
 add_library(aster_core STATIC ${SOURCE_FILES} ${HEADER_FILES})
 set_property(TARGET aster_core PROPERTY CXX_STANDARD 20)

aster/buffer.cpp

@@ -0,0 +1,43 @@
+// =============================================
+//  Aster: buffer.cpp
+//  Copyright (c) 2020-2024 Anish Bhobe
+// =============================================
+
+#include "buffer.h"
+
+void
+Buffer::Destroy(const Device *device)
+{
+    if (!m_Buffer)
+        return;
+
+    vmaDestroyBuffer(device->m_Allocator, m_Buffer, m_Allocation);
+    m_Buffer = nullptr;
+}
+
+void
+UniformBuffer::Init(const Device *device, usize size, cstr name)
+{
+    vk::BufferCreateInfo bufferCreateInfo = {
+        .size = size,
+        .usage = vk::BufferUsageFlagBits::eUniformBuffer,
+        .sharingMode = vk::SharingMode::eExclusive,
+    };
+    constexpr VmaAllocationCreateInfo allocationCreateInfo = {
+        .flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT |
+                 VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT,
+        .usage = VMA_MEMORY_USAGE_AUTO,
+    };
+
+    VkBuffer buffer;
+    VmaAllocation allocation;
+    auto result = Cast<vk::Result>(vmaCreateBuffer(device->m_Allocator, Recast<VkBufferCreateInfo *>(&bufferCreateInfo),
+                                                   &allocationCreateInfo, &buffer, &allocation, nullptr));
+    ERROR_IF(Failed(result), "Could not allocate buffer. Cause: {}", result) THEN_ABORT(result);
+
+    m_Buffer = buffer;
+    m_Size = size;
+    m_Allocation = allocation;
+
+    device->SetName(m_Buffer, name);
+}

aster/buffer.h

@@ -0,0 +1,25 @@
+// =============================================
+//  Aster: buffer.h
+//  Copyright (c) 2020-2024 Anish Bhobe
+// =============================================
+
+#pragma once
+
+#include "device.h"
+#include "global.h"
+
+struct Device;
+
+struct Buffer
+{
+    vk::Buffer m_Buffer = nullptr;
+    VmaAllocation m_Allocation = nullptr;
+    usize m_Size = 0;
+
+    void Destroy(const Device *device);
+};
+
+struct UniformBuffer : Buffer
+{
+    void Init(const Device *device, usize size, cstr name = nullptr);
+};

aster/device.h

@@ -43,6 +43,8 @@ template <typename T>
 void
 Device::SetName(const T &object, cstr name) const
 {
+    if (!name)
+        return;
     auto handle = Recast<u64>(Cast<typename T::NativeType>(object));
     const vk::DebugUtilsObjectNameInfoEXT objectNameInfo = {
         .objectType = object.objectType,

samples/01_triangle/triangle.cpp

@@ -76,33 +76,26 @@ main(int, char **)
         .extent = swapchain.m_Extent,
     };
 
+    vk::ImageSubresourceRange subresourceRange = {
+        .aspectMask = vk::ImageAspectFlagBits::eColor,
+        .baseMipLevel = 0,
+        .levelCount = 1,
+        .baseArrayLayer = 0,
+        .layerCount = 1,
+    };
     vk::ImageMemoryBarrier topOfThePipeBarrier = {
         .oldLayout = vk::ImageLayout::eUndefined,
         .newLayout = vk::ImageLayout::eColorAttachmentOptimal,
         .srcQueueFamilyIndex = queueAllocation.m_Family,
         .dstQueueFamilyIndex = queueAllocation.m_Family,
-        .subresourceRange =
-            {
-                .aspectMask = vk::ImageAspectFlagBits::eColor,
-                .baseMipLevel = 0,
-                .levelCount = 1,
-                .baseArrayLayer = 0,
-                .layerCount = 1,
-            },
+        .subresourceRange = subresourceRange,
     };
     vk::ImageMemoryBarrier renderToPresentBarrier = {
         .oldLayout = vk::ImageLayout::eColorAttachmentOptimal,
         .newLayout = vk::ImageLayout::ePresentSrcKHR,
         .srcQueueFamilyIndex = queueAllocation.m_Family,
         .dstQueueFamilyIndex = queueAllocation.m_Family,
-        .subresourceRange =
-            {
-                .aspectMask = vk::ImageAspectFlagBits::eColor,
-                .baseMipLevel = 0,
-                .levelCount = 1,
-                .baseArrayLayer = 0,
-                .layerCount = 1,
-            },
+        .subresourceRange = subresourceRange,
     };
 
     // Frames