Add buffer support

src/Nazara/VulkanRenderer/VulkanBuffer.cpp

@@ -3,6 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
+#include <Nazara/Core/CallOnExit.hpp>
 #include <Nazara/VulkanRenderer/Debug.hpp>
 
 namespace Nz
@@ -11,13 +12,40 @@ namespace Nz
 
 	bool VulkanBuffer::Fill(const void* data, UInt32 offset, UInt32 size)
 	{
-		return m_softwareData.Fill(data, offset, size);
+		void* ptr = Map(BufferAccess_WriteOnly, offset, size);
+		if (!ptr)
+			return false;
+
+		Nz::CallOnExit unmapOnExit([this]() { Unmap(); });
+
+		std::memcpy(ptr, data, size);
+
+		return true;
 	}
 
 	bool VulkanBuffer::Initialize(UInt32 size, BufferUsageFlags usage)
 	{
-		m_usage = usage;
-		return m_softwareData.Initialize(size, usage);
+		if (!m_buffer.Create(m_device, 0, size, (m_type == BufferType_Index) ? VK_BUFFER_USAGE_INDEX_BUFFER_BIT : VK_BUFFER_USAGE_VERTEX_BUFFER_BIT))
+		{
+			NazaraError("Failed to create vertex buffer");
+			return false;
+		}
+
+		VkMemoryRequirements memRequirement = m_buffer.GetMemoryRequirements();
+
+		if (!m_memory.Create(m_device, memRequirement.size, memRequirement.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT))
+		{
+			NazaraError("Failed to allocate vertex buffer memory");
+			return false;
+		}
+
+		if (!m_buffer.BindBufferMemory(m_memory))
+		{
+			NazaraError("Failed to bind vertex buffer to its memory");
+			return false;
+		}
+
+		return true;
 	}
 
 	DataStorage VulkanBuffer::GetStorage() const
@@ -25,13 +53,17 @@ namespace Nz
 		return DataStorage_Hardware;
 	}
 
-	void* VulkanBuffer::Map(BufferAccess access, UInt32 offset, UInt32 size)
+	void* VulkanBuffer::Map(BufferAccess /*access*/, UInt32 offset, UInt32 size)
 	{
-		return m_softwareData.Map(access, offset, size);
+		if (!m_memory.Map(offset, size))
+			return nullptr;
+
+		return m_memory.GetMappedPointer();
 	}
 
 	bool VulkanBuffer::Unmap()
 	{
-		return m_softwareData.Unmap();
+		m_memory.Unmap();
+		return true;
 	}
 }