Make use of Nazara uniform buffer

examples/VulkanTest/main.cpp

@@ -181,38 +181,17 @@ int main()
 
 	Nz::UInt32 uniformSize = sizeof(ubo);
 
-	Nz::Vk::Buffer uniformBuffer;
+	Nz::UniformBuffer uniformBuffer(uniformSize, Nz::DataStorage_Hardware, Nz::BufferUsage_Dynamic);
-	if (!uniformBuffer.Create(vulkanDevice.shared_from_this(), 0, uniformSize, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT))
+	uniformBuffer.Fill(&ubo, 0, uniformSize);
+
+	Nz::RenderBuffer* renderBufferUB = static_cast<Nz::RenderBuffer*>(uniformBuffer.GetBuffer()->GetImpl());
+	if (!renderBufferUB->Synchronize(&vulkanDevice))
 	{
-		NazaraError("Failed to create vertex buffer");
+		NazaraError("Failed to synchronize render buffer");
-		return __LINE__;
-	}
-
-	VkMemoryRequirements memRequirement = uniformBuffer.GetMemoryRequirements();
-
-	Nz::Vk::DeviceMemory uniformBufferMemory;
-	if (!uniformBufferMemory.Create(vulkanDevice.shared_from_this(), memRequirement.size, memRequirement.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT))
-	{
-		NazaraError("Failed to allocate vertex buffer memory");
-		return __LINE__;
-	}
-
-	if (!uniformBufferMemory.Map(0, uniformSize))
-	{
-		NazaraError("Failed to map vertex buffer");
-		return __LINE__;
-	}
-
-	std::memcpy(uniformBufferMemory.GetMappedPointer(), &ubo, uniformSize);
-
-	uniformBufferMemory.Unmap();
-
-	if (!uniformBuffer.BindBufferMemory(uniformBufferMemory))
-	{
-		NazaraError("Failed to bind uniform buffer to its memory");
 		return __LINE__;
 	}
 
+	Nz::VulkanBuffer* uniformBufferImpl = static_cast<Nz::VulkanBuffer*>(renderBufferUB->GetHardwareBuffer(&vulkanDevice));
 
 	VkDescriptorSetLayoutBinding layoutBinding = {};
 	layoutBinding.binding = 0;
@@ -241,7 +220,7 @@ int main()
 
 	Nz::Vk::DescriptorSet descriptorSet = descriptorPool.AllocateDescriptorSet(descriptorLayout);
 
-	descriptorSet.WriteUniformDescriptor(0, uniformBuffer, 0, uniformSize);
+	descriptorSet.WriteUniformDescriptor(0, uniformBufferImpl->GetBufferHandle(), 0, uniformSize);
 
 	Nz::RenderPipelineInfo pipelineInfo;
 
@@ -561,15 +540,14 @@ int main()
 		{
 			ubo.viewMatrix = Nz::Matrix4f::ViewMatrix(viewerPos, camAngles);
 
-			if (!uniformBufferMemory.Map(0, uniformSize))
+			uniformBuffer.Fill(&ubo, 0, uniformSize);
+
+			Nz::RenderBuffer* renderBufferUB = static_cast<Nz::RenderBuffer*>(uniformBuffer.GetBuffer()->GetImpl());
+			if (!renderBufferUB->Synchronize(&vulkanDevice))
 			{
-				NazaraError("Failed to map vertex buffer");
+				NazaraError("Failed to synchronize render buffer");
 				return __LINE__;
 			}
-
-			std::memcpy(uniformBufferMemory.GetMappedPointer(), &ubo, uniformSize);
-
-			uniformBufferMemory.Unmap();
 		}
 
 		Nz::UInt32 imageIndex;

src/Nazara/VulkanRenderer/VulkanBuffer.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
 #include <Nazara/Core/CallOnExit.hpp>
+#include <Nazara/Core/String.hpp>
 #include <Nazara/VulkanRenderer/Debug.hpp>
 
 namespace Nz
@@ -25,7 +26,27 @@ namespace Nz
 
 	bool VulkanBuffer::Initialize(UInt32 size, BufferUsageFlags 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))
+		VkBufferUsageFlags type;
+		switch (m_type)
+		{
+			case BufferType_Index:
+				type = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
+				break;
+
+			case BufferType_Vertex:
+				type = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
+				break;
+
+			case BufferType_Uniform:
+				type = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
+				break;
+
+			default:
+				NazaraError("Unhandled buffer usage 0x" + String::Number(m_type, 16));
+				return false;
+		}
+
+		if (!m_buffer.Create(m_device, 0, size, type))
 		{
 			NazaraError("Failed to create vertex buffer");
 			return false;