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06 Preparing a render pass for geometry rendering and postprocess subpasses.cpp
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06 Preparing a render pass for geometry rendering and postprocess subpasses.cpp
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// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and / or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The below copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Vulkan Cookbook
// ISBN: 9781786468154
// © Packt Publishing Limited
//
// Author: Pawel Lapinski
// LinkedIn: https://www.linkedin.com/in/pawel-lapinski-84522329
//
// Chapter: 06 Render Passes and Framebuffers
// Recipe: 06 Preparing a render pass for geometry rendering and postprocess subpasses
#include "06 Render Passes and Framebuffers/04 Creating a render pass.h"
#include "06 Render Passes and Framebuffers/06 Preparing a render pass for geometry rendering and postprocess subpasses.h"
namespace VulkanCookbook {
bool PrepareRenderPassForGeometryRenderingAndPostprocessSubpasses( VkDevice logical_device,
VkRenderPass render_pass ) {
std::vector<VkAttachmentDescription> attachments_descriptions = {
{
0, // VkAttachmentDescriptionFlags flags
VK_FORMAT_R8G8B8A8_UNORM, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, // VkImageLayout finalLayout
},
{
0, // VkAttachmentDescriptionFlags flags
VK_FORMAT_D16_UNORM, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, // VkImageLayout finalLayout
},
{
0, // VkAttachmentDescriptionFlags flags
VK_FORMAT_R8G8B8A8_UNORM, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout finalLayout
},
};
VkAttachmentReference depth_stencil_attachment = {
1, // uint32_t attachment
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, // VkImageLayout layout
};
std::vector<SubpassParameters> subpass_parameters = {
// #0 subpass
{
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint PipelineType
{}, // std::vector<VkAttachmentReference> InputAttachments
{ // std::vector<VkAttachmentReference> ColorAttachments
{
0, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout
}
},
{}, // std::vector<VkAttachmentReference> ResolveAttachments
&depth_stencil_attachment, // const VkAttachmentReference * DepthStencilAttachment
{} // std::vector<uint32_t> PreserveAttachments
},
// #1 subpass
{
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint PipelineType
{ // std::vector<VkAttachmentReference> InputAttachments
{
0, // uint32_t attachment
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL // VkImageLayout layout
}
},
{ // std::vector<VkAttachmentReference> ColorAttachments
{
2, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout
}
},
{}, // std::vector<VkAttachmentReference> ResolveAttachments
nullptr, // const VkAttachmentReference * DepthStencilAttachment
{} // std::vector<uint32_t> PreserveAttachments
}
};
std::vector<VkSubpassDependency> subpass_dependencies = {
{
0, // uint32_t srcSubpass
1, // uint32_t dstSubpass
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, // VkPipelineStageFlags srcStageMask
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, // VkPipelineStageFlags dstStageMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_INPUT_ATTACHMENT_READ_BIT, // VkAccessFlags dstAccessMask
VK_DEPENDENCY_BY_REGION_BIT // VkDependencyFlags dependencyFlags
}
};
if( !CreateRenderPass( logical_device, attachments_descriptions, subpass_parameters, subpass_dependencies, render_pass ) ) {
return false;
}
return true;
}
} // namespace VulkanCookbook