145 lines
4.7 KiB
C++
145 lines
4.7 KiB
C++
#include "xe_render_system.hpp"
|
|
|
|
#include <vulkan/vulkan.h>
|
|
#include "xe_device.hpp"
|
|
#include "xe_pipeline.hpp"
|
|
#include "xe_frame_info.hpp"
|
|
#include "xe_game_object.hpp"
|
|
#include "xe_swap_chain.hpp"
|
|
#include "xe_renderer.hpp"
|
|
#include "xe_descriptors.hpp"
|
|
|
|
#include <memory>
|
|
#include <stdexcept>
|
|
|
|
namespace xe {
|
|
|
|
template <typename P, typename U>
|
|
XeRenderSystem::XeRenderSystem(
|
|
XeDevice &device,
|
|
XeRenderer &renderer,
|
|
std::unique_ptr<XeDescriptorPool> &xeDescriptorPool,
|
|
std::unique_ptr<XeDescriptorSetLayout> &xeDescriptorSetLayout,
|
|
std::string vert,
|
|
std::string frag,
|
|
uint32_t pushCunstantDataSize,
|
|
uint32_t uniformBufferDataSize)
|
|
: xeDevice{device} {
|
|
createUniformBuffers(xeDescriptorPool, xeDescriptorSetLayout, uniformBufferDataSize);
|
|
createPipelineLayout(xeDescriptorSetLayout, pushCunstantDataSize, uniformBufferDataSize);
|
|
createPipeline(renderer.getSwapChainRenderPass(), vert, frag);
|
|
}
|
|
|
|
|
|
template <typename P, typename U>
|
|
XeRenderSystem::~XeRenderSystem() {};
|
|
|
|
|
|
template <typename P, typename U>
|
|
void XeRenderSystem::createUniformBuffers(std::unique_ptr<XeDescriptorPool> &xeDescriptorPool, std::unique_ptr<XeDescriptorSetLayout> &xeDescriptorSetLayout, uint32_t uniformBufferDataSize) {
|
|
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>(
|
|
xeDevice,
|
|
uniformBufferDataSize,
|
|
XeSwapChain::MAX_FRAMES_IN_FLIGHT,
|
|
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
|
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
|
|
uboBuffers[i]->map();
|
|
}
|
|
|
|
descriptorSets = std::vector<VkDescriptorSet>(XeSwapChain::MAX_FRAMES_IN_FLIGHT);
|
|
for (int i = 0; i < descriptorSets.size(); i++) {
|
|
auto bufferInfo = uboBuffers[i]->descriptorInfo();
|
|
XeDescriptorWriter(*xeDescriptorSetLayout, *xeDescriptorPool)
|
|
.writeBuffer(0, &bufferInfo)
|
|
.build(descriptorSets[i]);
|
|
}
|
|
}
|
|
|
|
|
|
template <typename P, typename U>
|
|
void XeRenderSystem::createPipelineLayout(std::unique_ptr<XeDescriptorSetLayout> &xeDescriptorSetLayout, uint32_t pushCunstantDataSize, uint32_t uniformBufferDataSize) {
|
|
|
|
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
|
|
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
|
|
|
if (pushCunstantDataSize > 0) {
|
|
VkPushConstantRange pushConstantRange;
|
|
pushConstantRange.stageFlags = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
|
|
pushConstantRange.offset = 0;
|
|
pushConstantRange.size = pushCunstantDataSize;
|
|
pipelineLayoutInfo.pushConstantRangeCount = 1;
|
|
pipelineLayoutInfo.pPushConstantRanges = &pushConstantRange;
|
|
} else {
|
|
pipelineLayoutInfo.pushConstantRangeCount = 0;
|
|
pipelineLayoutInfo.pPushConstantRanges = nullptr;
|
|
}
|
|
|
|
if (uniformBufferDataSize > 0) {
|
|
std::vector<VkDescriptorSetLayout> descriptorSetLayouts{xeDescriptorSetLayout->getDescriptorSetLayout()};
|
|
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!");
|
|
}
|
|
}
|
|
|
|
|
|
template <typename P, typename U>
|
|
void XeRenderSystem::createPipeline(VkRenderPass renderPass, std::string vert, std::string frag) {
|
|
assert(pipelineLayout != nullptr && "Cannot create pipeline before pipeline layout");
|
|
|
|
PipelineConfigInfo pipelineConfig{};
|
|
XePipeline::defaultPipelineConfigInfo(pipelineConfig);
|
|
pipelineConfig.renderPass = renderPass;
|
|
pipelineConfig.pipelineLayout = pipelineLayout;
|
|
xePipeline = std::make_unique<XePipeline>(
|
|
xeDevice,
|
|
vert,
|
|
frag,
|
|
pipelineConfig
|
|
);
|
|
}
|
|
|
|
|
|
template <typename P, typename U>
|
|
void XeRenderSystem::renderGameObjects(XeFrameInfo &frameInfo, std::vector<XeGameObject> &gameObjects, XeRenderSystem::XeData pushConstantData) {
|
|
xePipeline->bind(frameInfo.commandBuffer);
|
|
|
|
if(uboBuffers.size() > 0) {
|
|
vkCmdBindDescriptorSets(
|
|
frameInfo.commandBuffer,
|
|
VK_PIPELINE_BIND_POINT_GRAPHICS,
|
|
pipelineLayout,
|
|
0,
|
|
1,
|
|
&descriptorSets[frameInfo.frameIndex],
|
|
0,
|
|
nullptr);
|
|
}
|
|
|
|
for (auto& obj: gameObjects) {
|
|
|
|
vkCmdPushConstants(
|
|
frameInfo.commandBuffer,
|
|
pipelineLayout,
|
|
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
|
|
0,
|
|
sizeof(pushConstantData),
|
|
&pushConstantData);
|
|
|
|
obj.model->bind(frameInfo.commandBuffer);
|
|
obj.model->draw(frameInfo.commandBuffer);
|
|
}
|
|
|
|
}
|
|
|
|
} |