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self define descriptors

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This commit is contained in:
Tyler Murphy 2022-09-21 12:36:12 -04:00
parent b6438c6779
commit 76bae46dbc
6 changed files with 166 additions and 113 deletions
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0
engine/xe_input.cpp Normal file
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15
engine/xe_input.hpp Normal file
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@ -0,0 +1,15 @@
#pragma once
#include "xe_window.hpp"
namespace xe {
class XeInput {
private:
XeWindow &xeWindow;
};
}

100
engine/xe_render_system.cpp
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@ -20,18 +20,19 @@ XeRenderSystem::XeRenderSystem(
XeEngine &xeEngine,
std::string vert,
std::string frag,
uint32_t pushCunstantDataSize,
uint32_t uniformBufferDataSize,
XeImage *image
std::map<uint32_t, uint32_t> uniformBindings,
std::map<uint32_t, XeImage*> imageBindings,
uint32_t pushCunstantDataSize
) : xeDevice{xeEngine.xeDevice},
xeRenderer{xeEngine.xeRenderer},
xeDescriptorPool{xeEngine.xeDescriptorPool},
pushCunstantDataSize{pushCunstantDataSize},
uniformBufferDataSize{uniformBufferDataSize},
textureSamplerBinding{image != nullptr} {
uniformBindings{uniformBindings},
imageBindings{imageBindings} {
createTextureSampler();
createDescriptorSetLayout();
createUniformBuffers();
createDescriptorSets(image);
createDescriptorSets();
createPipelineLayout();
createPipeline(xeRenderer.getSwapChainRenderPass(), vert, frag);
}
@ -39,21 +40,10 @@ XeRenderSystem::XeRenderSystem(
XeRenderSystem::~XeRenderSystem() {
vkDestroyPipelineLayout(xeDevice.device(), pipelineLayout, nullptr);
if ( textureSamplerBinding ) {
vkDestroySampler(xeDevice.device(), textureSampler, nullptr);
}
};
void XeRenderSystem::createDescriptorSetLayout() {
XeDescriptorSetLayout::Builder builder{xeDevice};
int binding = 0;
if (uniformBufferDataSize > 0) {
builder.addBinding(binding, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, nullptr);
binding += 1;
}
if (textureSamplerBinding) {
void XeRenderSystem::createTextureSampler() {
VkSamplerCreateInfo samplerInfo{};
samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
samplerInfo.magFilter = VK_FILTER_LINEAR;
@ -74,59 +64,67 @@ void XeRenderSystem::createDescriptorSetLayout() {
if (vkCreateSampler(xeDevice.device(), &samplerInfo, nullptr, &textureSampler) != VK_SUCCESS) {
throw std::runtime_error("failed to create texture sampler!");
}
}
void XeRenderSystem::createDescriptorSetLayout() {
XeDescriptorSetLayout::Builder builder{xeDevice};
for ( const auto &[binding, size]: uniformBindings) {
builder.addBinding(binding, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, nullptr);
}
for ( const auto &[binding, image]: imageBindings) {
builder.addBinding(binding, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, &textureSampler);
binding += 1;
}
xeDescriptorSetLayout = builder.build();
}
void XeRenderSystem::createUniformBuffers() {
if(uniformBufferDataSize == 0) return;
uboBuffers = std::vector<std::unique_ptr<XeBuffer>>(XeSwapChain::MAX_FRAMES_IN_FLIGHT);
for (int i = 0; i < uboBuffers.size(); i++) {
uboBuffers[i] = std::make_unique<XeBuffer>(
for ( const auto &[binding, bufferSize]: uniformBindings) {
uboBuffers[binding] = std::vector<std::unique_ptr<XeBuffer>>(XeSwapChain::MAX_FRAMES_IN_FLIGHT);
for (int i = 0; i < uboBuffers[binding].size(); i++) {
uboBuffers[binding][i] = std::make_unique<XeBuffer>(
xeDevice,
uniformBufferDataSize,
bufferSize,
XeSwapChain::MAX_FRAMES_IN_FLIGHT,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
uboBuffers[i]->map();
uboBuffers[binding][i]->map();
}
}
}
}
void XeRenderSystem::createDescriptorSets(XeImage *image) {
void XeRenderSystem::createDescriptorSets() {
descriptorSets = std::vector<VkDescriptorSet>(XeSwapChain::MAX_FRAMES_IN_FLIGHT);
for (int i = 0; i < descriptorSets.size(); i++) {
updateDescriptorSet(image, i, true);
updateDescriptorSet(i, true);
}
}
void XeRenderSystem::updateDescriptorSet(XeImage *image, int frameIndex, bool allocate) {
auto bufferInfo = uboBuffers[frameIndex]->descriptorInfo();
void XeRenderSystem::updateDescriptorSet(int frameIndex, bool allocate) {
XeDescriptorWriter writer{*xeDescriptorSetLayout, *xeDescriptorPool};
int binding = 0;
std::vector<VkDescriptorBufferInfo> bufferInfos{};
if (uniformBufferDataSize > 0) {
writer.writeBuffer(binding, &bufferInfo);
binding += 1;
int i = 0;
for ( const auto &[binding, size]: uniformBindings) {
bufferInfos.push_back(uboBuffers[binding][frameIndex]->descriptorInfo());
writer.writeBuffer(binding, &bufferInfos[i]);
i++;
}
if (textureSamplerBinding) {
for ( const auto &[binding, image]: imageBindings) {
VkDescriptorImageInfo imageInfo{};
imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
imageInfo.imageView = image->textureImageView;
imageInfo.sampler = textureSampler;
writer.writeImage(binding, &imageInfo);
binding += 1;
}
if (allocate) {
writer.build(descriptorSets[frameIndex]);
} else {
@ -143,8 +141,12 @@ void XeRenderSystem::createPipelineLayout() {
pushConstantRange.offset = 0;
pushConstantRange.size = pushCunstantDataSize;
std::vector<VkDescriptorSetLayout> descriptorSetLayouts{xeDescriptorSetLayout->getDescriptorSetLayout()};
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo.setLayoutCount = static_cast<uint32_t>(descriptorSetLayouts.size());
pipelineLayoutInfo.pSetLayouts = descriptorSetLayouts.data();
if (pushCunstantDataSize > 0) {
pipelineLayoutInfo.pushConstantRangeCount = 1;
@ -154,17 +156,6 @@ void XeRenderSystem::createPipelineLayout() {
pipelineLayoutInfo.pPushConstantRanges = nullptr;
}
std::vector<VkDescriptorSetLayout> descriptorSetLayouts{xeDescriptorSetLayout->getDescriptorSetLayout()};
if (uniformBufferDataSize > 0) {
pipelineLayoutInfo.setLayoutCount = static_cast<uint32_t>(descriptorSetLayouts.size());
pipelineLayoutInfo.pSetLayouts = descriptorSetLayouts.data();
} else {
pipelineLayoutInfo.setLayoutCount = 0;
pipelineLayoutInfo.pSetLayouts = nullptr;
}
if(vkCreatePipelineLayout(xeDevice.device(), &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
std::runtime_error("failed to create pipeline layout!");
}
@ -215,12 +206,13 @@ void XeRenderSystem::loadPushConstant(void *pushConstantData) {
pushConstantData);
}
void XeRenderSystem::loadUniformObject(void *uniformBufferData) {
uboBuffers[xeRenderer.getFrameIndex()]->writeToBuffer(uniformBufferData);
void XeRenderSystem::loadUniformObject(uint32_t binding, void *uniformBufferData) {
uboBuffers[binding][xeRenderer.getFrameIndex()]->writeToBuffer(uniformBufferData);
}
void XeRenderSystem::loadTexture(XeImage *image) {
updateDescriptorSet(image, xeRenderer.getFrameIndex(), false);
void XeRenderSystem::loadTexture(uint32_t binding, XeImage *image) {
imageBindings[binding] = image;
updateDescriptorSet(xeRenderer.getFrameIndex(), false);
}
void XeRenderSystem::render(XeGameObject &gameObject) {

62
engine/xe_render_system.hpp
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@ -10,19 +10,55 @@
#include "xe_image.hpp"
#include <memory>
#include <map>
namespace xe {
class XeRenderSystem {
public:
class Builder {
public:
Builder(XeEngine &xeEngine, std::string vert, std::string frag) : xeEngine{xeEngine}, vert{vert}, frag{frag} {}
Builder& addPushConstant(uint32_t size) {
pushCunstantDataSize = size;
return *this;
}
Builder& addUniformBinding(uint32_t binding, uint32_t size) {
uniformBindings[binding] = size;
return *this;
}
Builder& addTextureBinding(uint32_t binding, XeImage* image) {
imageBindings[binding] = image;
return *this;
}
std::unique_ptr<XeRenderSystem> build() {
return std::make_unique<XeRenderSystem>(xeEngine, std::move(vert), std::move(frag), std::move(uniformBindings), std::move(imageBindings), std::move(pushCunstantDataSize));
}
private:
std::map<uint32_t, uint32_t> uniformBindings{};
std::map<uint32_t, XeImage*> imageBindings{};
uint32_t pushCunstantDataSize{0};
std::string vert;
std::string frag;
XeEngine &xeEngine;
};
XeRenderSystem(
XeEngine &xeEngine,
std::string vert,
std::string frag,
uint32_t pushCunstantDataSize,
uint32_t uniformBufferDataSize,
XeImage *image
std::map<uint32_t, uint32_t> uniformBindings,
std::map<uint32_t, XeImage*> imageBindings,
uint32_t pushCunstantDataSize
);
~XeRenderSystem();
@ -32,37 +68,39 @@ class XeRenderSystem {
void start();
void loadPushConstant(void *pushConstantData);
void loadUniformObject(void *uniformBufferData);
void loadTexture(XeImage *image);
void loadUniformObject(uint32_t binding, void *uniformBufferData);
void loadTexture(uint32_t binding, XeImage *image);
void render(XeGameObject &gameObject);
void stop();
private:
void createTextureSampler();
void createDescriptorSetLayout();
void createUniformBuffers();
void createDescriptorSets(XeImage *image);
void updateDescriptorSet(XeImage *image, int frameIndex, bool allocate);
void createDescriptorSets();
void updateDescriptorSet(int frameIndex, bool allocate);
void createPipelineLayout();
void createPipeline(VkRenderPass renderPass, std::string vert, std::string frag);
bool boundPipeline{false};
bool boundDescriptor{false};
uint32_t uniformBufferDataSize;
uint32_t pushCunstantDataSize;
bool textureSamplerBinding;
XeDevice& xeDevice;
XeRenderer& xeRenderer;
std::unique_ptr<XePipeline> xePipeline;
std::vector<std::unique_ptr<XeBuffer>> uboBuffers;
std::map<uint32_t, std::vector<std::unique_ptr<XeBuffer>>> uboBuffers{};
std::map<uint32_t, uint32_t> uniformBindings;
std::map<uint32_t, XeImage*> imageBindings;
std::vector<VkDescriptorSet> descriptorSets;
uint32_t pushCunstantDataSize;
VkSampler textureSampler;
VkPipelineLayout pipelineLayout;
std::unique_ptr<XePipeline> xePipeline;
std::unique_ptr<XeDescriptorPool> &xeDescriptorPool;
std::unique_ptr<XeDescriptorSetLayout> xeDescriptorSetLayout;

24
src/simple_renderer.cpp
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@ -1,29 +1,37 @@
#include "simple_renderer.hpp"
#include "xe_render_system.hpp"
#include <iostream>
namespace app {
SimpleRenderer::SimpleRenderer(xe::XeEngine &xeEngine, xe::XeImage *xeImage)
: xeRenderSystem{xeEngine, "res/shaders/simple_shader.vert.spv", "res/shaders/simple_shader.frag.spv", sizeof(PushConstant), sizeof(UniformBuffer), xeImage} {};
SimpleRenderer::SimpleRenderer(xe::XeEngine &xeEngine, xe::XeImage *xeImage) {
xeRenderSystem = xe::XeRenderSystem::Builder(xeEngine, "res/shaders/simple_shader.vert.spv", "res/shaders/simple_shader.frag.spv")
.addPushConstant(sizeof(PushConstant))
.addUniformBinding(0, sizeof(UniformBuffer))
.addTextureBinding(1, xeImage)
.build();
}
void SimpleRenderer::render(std::vector<xe::XeGameObject> &gameObjects, xe::XeCamera &xeCamera, xe::XeImage *xeImage) {
xeRenderSystem.loadTexture(xeImage);
xeRenderSystem->loadTexture(1, xeImage);
xeRenderSystem.start();
xeRenderSystem->start();
UniformBuffer ubo{};
ubo.projectionView = xeCamera.getProjection() * xeCamera.getView();
xeRenderSystem.loadUniformObject(&ubo);
xeRenderSystem->loadUniformObject(0, &ubo);
for(auto &obj : gameObjects) {
PushConstant pc{};
pc.modelMatrix = obj.transform.mat4();
pc.normalMatrix = obj.transform.normalMatrix();
xeRenderSystem.loadPushConstant(&pc);
xeRenderSystem.render(obj);
xeRenderSystem->loadPushConstant(&pc);
xeRenderSystem->render(obj);
}
xeRenderSystem.stop();
xeRenderSystem->stop();
}

2
src/simple_renderer.hpp
View file

@ -29,7 +29,7 @@ class SimpleRenderer {
void render(std::vector<xe::XeGameObject> &gameObjects, xe::XeCamera &xeCamera, xe::XeImage *xeImage);
private:
xe::XeRenderSystem xeRenderSystem;
std::unique_ptr<xe::XeRenderSystem> xeRenderSystem;
};