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Multiple frame buffer attachments (one per swapchain image)

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This commit is contained in:
saschawillems 2018-07-19 15:07:41 +02:00
parent 14e078c191
commit 1de1b9e568
2 changed files with 48 additions and 39 deletions
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2
android/examples/inputattachments/build.gradle
View file

@ -62,7 +62,7 @@ task copyTask << {
copy {
from '../../../data/models'
into 'assets/models'
include 'samplebuilding.dae'
include 'treasure_smooth.dae'
}
}

85
examples/inputattachments/inputattachments.cpp
View file

@ -69,7 +69,7 @@ public:
struct {
VkDescriptorSet attachmentWrite;
VkDescriptorSet attachmentRead;
std::vector<VkDescriptorSet> attachmentRead;
} descriptorSets;
struct {
@ -85,7 +85,8 @@ public:
};
struct Attachments {
FrameBufferAttachment color, depth;
} attachments;
};
std::vector<Attachments> attachments;
VkRenderPass uiRenderPass;
@ -105,13 +106,14 @@ public:
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
vkDestroyImageView(device, attachments.color.view, nullptr);
vkDestroyImage(device, attachments.color.image, nullptr);
vkFreeMemory(device, attachments.color.memory, nullptr);
vkDestroyImageView(device, attachments.depth.view, nullptr);
vkDestroyImage(device, attachments.depth.image, nullptr);
vkFreeMemory(device, attachments.depth.memory, nullptr);
for (uint32_t i = 0; i < attachments.size; i++) {
vkDestroyImageView(device, attachments[i].color.view, nullptr);
vkDestroyImage(device, attachments[i].color.image, nullptr);
vkFreeMemory(device, attachments[i].color.memory, nullptr);
vkDestroyImageView(device, attachments[i].depth.view, nullptr);
vkDestroyImage(device, attachments[i].depth.image, nullptr);
vkFreeMemory(device, attachments[i].depth.memory, nullptr);
}
vkDestroyPipeline(device, pipelines.attachmentRead, nullptr);
vkDestroyPipeline(device, pipelines.attachmentWrite, nullptr);
@ -185,24 +187,23 @@ public:
// Override framebuffer setup from base class
void setupFrameBuffer()
{
VkImageView attachments[3];
VkImageView views[3];
VkFramebufferCreateInfo frameBufferCI{};
frameBufferCI.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
frameBufferCI.renderPass = renderPass;
frameBufferCI.attachmentCount = 3;
frameBufferCI.pAttachments = attachments;
frameBufferCI.pAttachments = views;
frameBufferCI.width = width;
frameBufferCI.height = height;
frameBufferCI.layers = 1;
// Create frame buffers for every swap chain image
frameBuffers.resize(swapChain.imageCount);
for (uint32_t i = 0; i < frameBuffers.size(); i++)
{
attachments[0] = swapChain.buffers[i].view;
attachments[1] = this->attachments.color.view;
attachments[2] = this->attachments.depth.view;
views[0] = swapChain.buffers[i].view;
views[1] = attachments[i].color.view;
views[2] = attachments[i].depth.view;
VK_CHECK_RESULT(vkCreateFramebuffer(device, &frameBufferCI, nullptr, &frameBuffers[i]));
}
}
@ -210,8 +211,13 @@ public:
// Override render pass setup from base class
void setupRenderPass()
{
createAttachment(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &attachments.color);
createAttachment(depthFormat, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, &attachments.depth);
const VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM;
attachments.resize(swapChain.imageCount);
for (auto i = 0; i < attachments.size(); i++) {
createAttachment(colorFormat, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &attachments[i].color);
createAttachment(depthFormat, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, &attachments[i].depth);
}
std::array<VkAttachmentDescription, 3> attachments{};
@ -231,19 +237,19 @@ public:
// and then read in the secod subpass
// Color
attachments[1].format = this->attachments.color.format;
attachments[1].format = colorFormat;
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
// Depth
attachments[2].format = this->attachments.depth.format;
attachments[2].format = depthFormat;
attachments[2].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[2].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachments[2].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[2].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[2].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[2].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[2].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
@ -389,7 +395,7 @@ public:
vkCmdNextSubpass(drawCmdBuffers[i], VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.attachmentRead);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.attachmentRead, 0, 1, &descriptorSets.attachmentRead, 0, NULL);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.attachmentRead, 0, 1, &descriptorSets.attachmentRead[i], 0, NULL);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
vks::debugmarker::endRegion(drawCmdBuffers[i]);
@ -457,23 +463,26 @@ public:
VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayouts.attachmentRead, 1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayouts.attachmentRead));
VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.attachmentRead, 1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.attachmentRead));
descriptorSets.attachmentRead.resize(attachments.size());
for (auto i = 0; i < descriptorSets.attachmentRead.size(); i++) {
VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.attachmentRead, 1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.attachmentRead[i]));
// Image descriptors for the input attachments read by the shader
std::vector<VkDescriptorImageInfo> descriptors = {
vks::initializers::descriptorImageInfo(VK_NULL_HANDLE, attachments.color.view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
vks::initializers::descriptorImageInfo(VK_NULL_HANDLE, attachments.depth.view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
};
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
// Binding 0: Color input attachment
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead, VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 0, &descriptors[0]),
// Binding 1: Depth input attachment
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead, VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1, &descriptors[1]),
// Binding 2: Display parameters uniform buffer
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2, &uniformBuffers.params.descriptor),
};
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
// Image descriptors for the input attachments read by the shader
std::vector<VkDescriptorImageInfo> descriptors = {
vks::initializers::descriptorImageInfo(VK_NULL_HANDLE, attachments[i].color.view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
vks::initializers::descriptorImageInfo(VK_NULL_HANDLE, attachments[i].depth.view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
};
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
// Binding 0: Color input attachment
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead[i], VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 0, &descriptors[0]),
// Binding 1: Depth input attachment
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead[i], VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1, &descriptors[1]),
// Binding 2: Display parameters uniform buffer
vks::initializers::writeDescriptorSet(descriptorSets.attachmentRead[i], VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2, &uniformBuffers.params.descriptor),
};
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
}
}
}