- create vulkan buffer objects implementation

src/rendering/vulkan/system/vk_buffers.cpp

@@ -0,0 +1,119 @@
+
+#include "vk_buffers.h"
+#include "vk_builders.h"
+#include "vk_framebuffer.h"
+#include "doomerrors.h"
+
+void VKBuffer::SetData(size_t size, const void *data, bool staticdata)
+{
+	auto fb = GetVulkanFrameBuffer();
+
+	mPersistent = screen->BuffersArePersistent() && !staticdata;
+
+	if (staticdata)
+	{
+		BufferBuilder builder;
+		builder.setUsage(VK_BUFFER_USAGE_TRANSFER_DST_BIT | mBufferType, VMA_MEMORY_USAGE_GPU_ONLY);
+		builder.setSize(size);
+		mBuffer = builder.create(fb->device);
+
+		builder.setUsage(VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VMA_MEMORY_USAGE_CPU_ONLY);
+		mStaging = builder.create(fb->device);
+
+		void *dst = mStaging->Map(0, size);
+		memcpy(dst, data, size);
+		mStaging->Unmap();
+
+		fb->GetUploadCommands()->copyBuffer(mStaging.get(), mBuffer.get());
+	}
+	else
+	{
+		BufferBuilder builder;
+		builder.setUsage(mBufferType, VMA_MEMORY_USAGE_CPU_TO_GPU);
+		builder.setSize(size);
+		mBuffer = builder.create(fb->device);
+
+		if (mPersistent)
+		{
+			map = mBuffer->Map(0, size);
+		}
+		else if (data)
+		{
+			void *dst = mBuffer->Map(0, size);
+			memcpy(dst, data, size);
+			mBuffer->Unmap();
+		}
+	}
+	buffersize = size;
+}
+
+void VKBuffer::SetSubData(size_t offset, size_t size, const void *data)
+{
+	auto fb = GetVulkanFrameBuffer();
+	if (mStaging)
+	{
+		void *dst = mStaging->Map(offset, size);
+		memcpy(dst, data, size);
+		mStaging->Unmap();
+
+		fb->GetUploadCommands()->copyBuffer(mStaging.get(), mBuffer.get(), offset, offset, size);
+	}
+	else
+	{
+		void *dst = mBuffer->Map(offset, size);
+		memcpy(dst, data, size);
+		mBuffer->Unmap();
+	}
+}
+
+void VKBuffer::Resize(size_t newsize)
+{
+	I_FatalError("VKBuffer::Resize not implemented\n");
+}
+
+void VKBuffer::Map()
+{
+	if (!mPersistent)
+		map = mBuffer->Map(0, mBuffer->size);
+}
+
+void VKBuffer::Unmap()
+{
+	if (!mPersistent)
+	{
+		mBuffer->Unmap();
+		map = nullptr;
+	}
+}
+
+void *VKBuffer::Lock(unsigned int size)
+{
+	if (!mPersistent)
+		map = mBuffer->Map(0, size);
+	return map;
+}
+
+void VKBuffer::Unlock()
+{
+	if (!mPersistent)
+	{
+		mBuffer->Unmap();
+		map = nullptr;
+	}
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+void VKVertexBuffer::SetFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs)
+{
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+void VKDataBuffer::BindRange(size_t start, size_t length)
+{
+}
+
+void VKDataBuffer::BindBase()
+{
+}