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// Copyright 2021 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "Framebuffer.hpp"
Framebuffer::Framebuffer(vk::Device device, vk::PhysicalDevice physicalDevice, vk::ImageView attachment, vk::Format colorFormat, vk::RenderPass renderPass, vk::Extent2D extent, bool multisample)
: device(device)
{
std::vector<vk::ImageView> attachments(multisample ? 2 : 1);
if(multisample)
{
multisampleImage.reset(new Image(device, physicalDevice, extent.width, extent.height, colorFormat, vk::SampleCountFlagBits::e4));
// We'll be rendering to attachment location 0
attachments[0] = multisampleImage->getImageView();
attachments[1] = attachment; // Resolve attachment
}
else
{
attachments[0] = attachment;
}
vk::FramebufferCreateInfo framebufferCreateInfo;
framebufferCreateInfo.renderPass = renderPass;
framebufferCreateInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
framebufferCreateInfo.pAttachments = attachments.data();
framebufferCreateInfo.width = extent.width;
framebufferCreateInfo.height = extent.height;
framebufferCreateInfo.layers = 1;
framebuffer = device.createFramebuffer(framebufferCreateInfo);
}
Framebuffer::~Framebuffer()
{
multisampleImage.reset();
device.destroyFramebuffer(framebuffer);
}