mirror of
https://github.com/ZDoom/Raze.git
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234 lines
5.9 KiB
C++
234 lines
5.9 KiB
C++
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/*
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** Vulkan backend
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** Copyright (c) 2016-2020 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#include "vk_buffers.h"
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#include "vk_builders.h"
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#include "vk_framebuffer.h"
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#include "vulkan/renderer/vk_renderstate.h"
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#include "vulkan/renderer/vk_renderpass.h"
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#include "engineerrors.h"
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VKBuffer *VKBuffer::First = nullptr;
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VKBuffer::VKBuffer()
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{
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Next = First;
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First = this;
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if (Next) Next->Prev = this;
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}
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VKBuffer::~VKBuffer()
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{
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if (Next) Next->Prev = Prev;
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if (Prev) Prev->Next = Next;
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else First = Next;
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if (mBuffer && map)
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mBuffer->Unmap();
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auto fb = GetVulkanFrameBuffer();
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if (fb && mBuffer)
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fb->FrameDeleteList.Buffers.push_back(std::move(mBuffer));
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}
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void VKBuffer::ResetAll()
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{
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for (VKBuffer *cur = VKBuffer::First; cur; cur = cur->Next)
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cur->Reset();
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}
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void VKBuffer::Reset()
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{
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if (mBuffer && map)
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mBuffer->Unmap();
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mBuffer.reset();
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mStaging.reset();
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}
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void VKBuffer::SetData(size_t size, const void *data, bool staticdata)
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{
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auto fb = GetVulkanFrameBuffer();
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if (staticdata)
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{
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mPersistent = false;
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{
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BufferBuilder builder;
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builder.setUsage(VK_BUFFER_USAGE_TRANSFER_DST_BIT | mBufferType, VMA_MEMORY_USAGE_GPU_ONLY);
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builder.setSize(size);
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mBuffer = builder.create(fb->device);
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}
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{
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BufferBuilder builder;
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builder.setUsage(VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VMA_MEMORY_USAGE_CPU_ONLY);
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builder.setSize(size);
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mStaging = builder.create(fb->device);
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}
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void *dst = mStaging->Map(0, size);
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memcpy(dst, data, size);
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mStaging->Unmap();
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fb->GetTransferCommands()->copyBuffer(mStaging.get(), mBuffer.get());
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}
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else
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{
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mPersistent = screen->BuffersArePersistent();
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BufferBuilder builder;
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builder.setUsage(mBufferType, VMA_MEMORY_USAGE_UNKNOWN, mPersistent ? VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT : 0);
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builder.setMemoryType(
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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builder.setSize(size);
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mBuffer = builder.create(fb->device);
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if (mPersistent)
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{
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map = mBuffer->Map(0, size);
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if (data)
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memcpy(map, data, size);
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}
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else if (data)
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{
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void *dst = mBuffer->Map(0, size);
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memcpy(dst, data, size);
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mBuffer->Unmap();
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}
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}
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buffersize = size;
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}
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void VKBuffer::SetSubData(size_t offset, size_t size, const void *data)
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{
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auto fb = GetVulkanFrameBuffer();
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if (mStaging)
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{
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void *dst = mStaging->Map(offset, size);
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memcpy(dst, data, size);
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mStaging->Unmap();
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fb->GetTransferCommands()->copyBuffer(mStaging.get(), mBuffer.get(), offset, offset, size);
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}
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else
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{
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void *dst = mBuffer->Map(offset, size);
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memcpy(dst, data, size);
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mBuffer->Unmap();
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}
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}
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void VKBuffer::Resize(size_t newsize)
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{
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auto fb = GetVulkanFrameBuffer();
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// Grab old buffer
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size_t oldsize = buffersize;
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std::unique_ptr<VulkanBuffer> oldBuffer = std::move(mBuffer);
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oldBuffer->Unmap();
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map = nullptr;
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// Create new buffer
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BufferBuilder builder;
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builder.setUsage(mBufferType, VMA_MEMORY_USAGE_UNKNOWN, VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT);
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builder.setMemoryType(
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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builder.setSize(newsize);
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mBuffer = builder.create(fb->device);
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buffersize = newsize;
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// Transfer data from old to new
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fb->GetTransferCommands()->copyBuffer(oldBuffer.get(), mBuffer.get(), 0, 0, oldsize);
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fb->WaitForCommands(false);
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// Fetch pointer to new buffer
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map = mBuffer->Map(0, newsize);
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// Old buffer may be part of the dynamic set
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fb->GetRenderPassManager()->UpdateDynamicSet();
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}
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void VKBuffer::Map()
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{
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if (!mPersistent)
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map = mBuffer->Map(0, mBuffer->size);
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}
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void VKBuffer::Unmap()
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{
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if (!mPersistent)
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{
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mBuffer->Unmap();
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map = nullptr;
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}
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}
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void *VKBuffer::Lock(unsigned int size)
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{
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if (!mBuffer)
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{
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// The model mesh loaders lock multiple non-persistent buffers at the same time. This is not allowed in vulkan.
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// VkDeviceMemory can only be mapped once and multiple non-persistent buffers may come from the same device memory object.
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mStaticUpload.Resize(size);
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map = mStaticUpload.Data();
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}
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else if (!mPersistent)
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{
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map = mBuffer->Map(0, size);
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}
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return map;
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}
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void VKBuffer::Unlock()
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{
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if (!mBuffer)
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{
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map = nullptr;
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SetData(mStaticUpload.Size(), mStaticUpload.Data(), true);
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mStaticUpload.Clear();
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}
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else if (!mPersistent)
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{
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mBuffer->Unmap();
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map = nullptr;
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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void VKVertexBuffer::SetFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs)
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{
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VertexFormat = GetVulkanFrameBuffer()->GetRenderPassManager()->GetVertexFormat(numBindingPoints, numAttributes, stride, attrs);
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}
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/////////////////////////////////////////////////////////////////////////////
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void VKDataBuffer::BindRange(FRenderState* state, size_t start, size_t length)
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{
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static_cast<VkRenderState*>(state)->Bind(bindingpoint, (uint32_t)start);
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}
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