/* Copyright (C) 2023 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see .
*/
#ifndef INCLUDED_RENDERER_BACKEND_VULKAN_RENDERPASSMANAGER
#define INCLUDED_RENDERER_BACKEND_VULKAN_RENDERPASSMANAGER
#include "renderer/backend/IFramebuffer.h"
#include
#include
#include
#include
namespace Renderer
{
namespace Backend
{
namespace Vulkan
{
class CDevice;
/**
* A helper class to store unique render passes.
*/
class CRenderPassManager
{
public:
CRenderPassManager(CDevice* device);
~CRenderPassManager();
/**
* @return a renderpass with required attachments. Currently we use only
* single subpass renderpasses.
* @note it should be called as rarely as possible.
*/
VkRenderPass GetOrCreateRenderPass(
SColorAttachment* colorAttachment,
SDepthStencilAttachment* depthStencilAttachment);
private:
CDevice* m_Device = nullptr;
struct Attachment
{
VkFormat format;
AttachmentLoadOp loadOp;
AttachmentStoreOp storeOp;
};
struct Desc
{
uint8_t sampleCount;
std::optional colorAttachment;
std::optional depthStencilAttachment;
};
struct DescHash
{
size_t operator()(const Desc& desc) const;
};
struct DescEqual
{
bool operator()(const Desc& lhs, const Desc& rhs) const;
};
std::unordered_map m_RenderPassMap;
};
} // namespace Vulkan
} // namespace Backend
} // namespace Renderer
#endif // INCLUDED_RENDERER_BACKEND_VULKAN_RENDERPASSMANAGER