/* 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 .
*/
#include "precompiled.h"
#include "Framebuffer.h"
#include "renderer/backend/vulkan/Device.h"
#include "renderer/backend/vulkan/Mapping.h"
#include "renderer/backend/vulkan/RenderPassManager.h"
#include "renderer/backend/vulkan/Texture.h"
#include "renderer/backend/vulkan/Utilities.h"
namespace Renderer
{
namespace Backend
{
namespace Vulkan
{
// static
std::unique_ptr CFramebuffer::Create(
CDevice* device, const char* name,
SColorAttachment* colorAttachment, SDepthStencilAttachment* depthStencilAttachment)
{
ENSURE(colorAttachment || depthStencilAttachment);
if (colorAttachment)
ENSURE(colorAttachment->texture);
if (depthStencilAttachment)
ENSURE(depthStencilAttachment->texture);
if (colorAttachment && depthStencilAttachment)
{
CTexture* colorAttachmentTexture = colorAttachment->texture->As();
CTexture* depthStencilAttachmentTexture = depthStencilAttachment->texture->As();
ENSURE(
colorAttachmentTexture->GetWidth() == depthStencilAttachmentTexture->GetWidth() &&
colorAttachmentTexture->GetHeight() == depthStencilAttachmentTexture->GetHeight() &&
colorAttachmentTexture->GetSampleCount() == depthStencilAttachmentTexture->GetSampleCount());
}
std::unique_ptr framebuffer(new CFramebuffer());
framebuffer->m_Device = device;
framebuffer->m_UID = device->GenerateNextDeviceObjectUID();
if (colorAttachment)
framebuffer->m_ClearColor = colorAttachment->clearColor;
PS::StaticVector attachments;
if (colorAttachment)
{
CTexture* colorAttachmentTexture = colorAttachment->texture->As();
ENSURE(colorAttachmentTexture->GetUsage() & ITexture::Usage::COLOR_ATTACHMENT);
framebuffer->m_Width = colorAttachmentTexture->GetWidth();
framebuffer->m_Height = colorAttachmentTexture->GetHeight();
framebuffer->m_SampleCount = colorAttachmentTexture->GetSampleCount();
framebuffer->m_ColorAttachmentLoadOp = colorAttachment->loadOp;
framebuffer->m_ColorAttachmentStoreOp = colorAttachment->storeOp;
attachments.emplace_back(colorAttachmentTexture->GetAttachmentImageView());
framebuffer->m_ColorAttachments.emplace_back(colorAttachmentTexture);
}
if (depthStencilAttachment)
{
CTexture* depthStencilAttachmentTexture = depthStencilAttachment->texture->As();
ENSURE(depthStencilAttachmentTexture->GetUsage() & ITexture::Usage::DEPTH_STENCIL_ATTACHMENT);
framebuffer->m_Width = depthStencilAttachmentTexture->GetWidth();
framebuffer->m_Height = depthStencilAttachmentTexture->GetHeight();
framebuffer->m_SampleCount = depthStencilAttachmentTexture->GetSampleCount();
framebuffer->m_DepthStencilAttachmentLoadOp = depthStencilAttachment->loadOp;
framebuffer->m_DepthStencilAttachmentStoreOp = depthStencilAttachment->storeOp;
attachments.emplace_back(depthStencilAttachmentTexture->GetAttachmentImageView());
framebuffer->m_DepthStencilAttachment = depthStencilAttachmentTexture;
}
ENSURE(framebuffer->m_Width > 0 && framebuffer->m_Height > 0);
ENSURE(framebuffer->m_SampleCount > 0);
framebuffer->m_RenderPass = device->GetRenderPassManager().GetOrCreateRenderPass(
colorAttachment, depthStencilAttachment);
VkFramebufferCreateInfo framebufferInfo{};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = framebuffer->m_RenderPass;
framebufferInfo.attachmentCount = attachments.size();
framebufferInfo.pAttachments = attachments.data();
framebufferInfo.width = framebuffer->m_Width;
framebufferInfo.height = framebuffer->m_Height;
framebufferInfo.layers = 1;
ENSURE_VK_SUCCESS(vkCreateFramebuffer(
device->GetVkDevice(), &framebufferInfo, nullptr, &framebuffer->m_Framebuffer));
device->SetObjectName(VK_OBJECT_TYPE_FRAMEBUFFER, framebuffer->m_Framebuffer, name);
return framebuffer;
}
CFramebuffer::~CFramebuffer()
{
if (m_Framebuffer != VK_NULL_HANDLE)
m_Device->ScheduleObjectToDestroy(
VK_OBJECT_TYPE_FRAMEBUFFER, m_Framebuffer, VK_NULL_HANDLE);
}
IDevice* CFramebuffer::GetDevice()
{
return m_Device;
}
} // namespace Vulkan
} // namespace Backend
} // namespace Renderer