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Nuake-custom/Nuake/Source/Nuake/Rendering/Vulkan/VulkanSceneRenderer.cpp
2025-02-01 10:37:56 -05:00

329 lines
11 KiB
C++

#include "VulkanSceneRenderer.h"
#include "Nuake/Rendering/Textures/Material.h"
#include "Nuake/Rendering/Vulkan/Pipeline/RenderPipeline.h"
#include "Nuake/Rendering/Vulkan/SceneRenderPipeline.h"
#include "Nuake/Rendering/Vulkan/ShaderCompiler.h"
#include "Nuake/Rendering/Vulkan/VkMesh.h"
#include "Nuake/Rendering/Vulkan/VkResources.h"
#include "Nuake/Rendering/Vulkan/VkShaderManager.h"
#include "Nuake/Rendering/Vulkan/VulkanAllocator.h"
#include "Nuake/Rendering/Vulkan/VulkanCheck.h"
#include "Nuake/Rendering/Vulkan/VulkanInit.h"
#include "Nuake/Rendering/Vulkan/VulkanRenderer.h"
#include "Nuake/Scene/Scene.h"
#include "Nuake/Scene/Entities/Entity.h"
#include "Nuake/Scene/Components/ModelComponent.h"
#include "Nuake/Scene/Components/CameraComponent.h"
#include <Tracy.hpp>
using namespace Nuake;
Ref<VkMesh> VkSceneRenderer::QuadMesh;
void VkSceneRenderer::Init()
{
LoadShaders();
shadowRenderPipeline = CreateRef<ShadowRenderPipeline>();
sceneRenderPipeline = CreateRef<SceneRenderPipeline>();
const std::vector<Vertex> quadVertices
{
{ Vector3(-1.0f, 1.0f, 1.0f), 0.0f, Vector3(0, 0, 1), 1.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) },
{ Vector3( 1.0f, 1.0f, 1.0f), 1.0f, Vector3(0, 0, 1), 1.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) },
{ Vector3(-1.0f, -1.0f, 1.0f), 0.0f, Vector3(0, 0, 1), 0.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) },
{ Vector3( 1.0f, -1.0f, 1.0f), 1.0f, Vector3(0, 0, 1), 0.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) },
{ Vector3(-1.0f, -1.0f, 1.0f), 0.0f, Vector3(0, 0, 1), 0.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) },
{ Vector3( 1.0f, 1.0f, 1.0f), 1.0f, Vector3(0, 0, 1), 1.0f, Vector4(1, 0, 0, 0), Vector4(0, 1, 0, 0) }
};
const std::vector<uint32_t> quadIndices
{
5, 4, 3, 2, 1, 0
};
QuadMesh = CreateRef<VkMesh>(quadVertices, quadIndices);
}
void VkSceneRenderer::LoadShaders()
{
// TODO: load embedded shaders in the future
VkShaderManager& shaderMgr = VkShaderManager::Get();
ShaderCompiler& shaderCompiler = ShaderCompiler::Get();
shaderMgr.AddShader("basic_frag", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/triangle.frag"));
shaderMgr.AddShader("basic_vert", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/triangle.vert"));
shaderMgr.AddShader("shading_frag", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/shading.frag"));
shaderMgr.AddShader("shading_vert", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/shading.vert"));
shaderMgr.AddShader("shadow_frag", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/shadow.frag"));
shaderMgr.AddShader("shadow_vert", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/shadow.vert"));
shaderMgr.AddShader("tonemap_frag", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/tonemap.frag"));
shaderMgr.AddShader("tonemap_vert", shaderCompiler.CompileShader("Resources/Shaders/Vulkan/tonemap.vert"));
}
void VkSceneRenderer::PrepareScenes(const std::vector<Ref<Scene>>& scenes, RenderContext inContext)
{
// Prepare all scenes
auto& gpu = GPUResources::Get();
gpu.ClearCameras();
uint32_t lightCount = 0;
std::array<LightData, MAX_LIGHTS> allLights;
uint32_t currentIndex = 0;
uint32_t currentMaterialIndex = 0;
std::array<Matrix4, MAX_MODEL_MATRIX> allTransforms;
std::array<MaterialBufferStruct, MAX_MATERIAL> allMaterials;
for (auto& scene : scenes)
{
// Prepare scene
// Cameras
{
const auto& camera = scene->m_EditorCamera;
CameraView cameraView
{
.View = camera->GetTransform(),
.Projection = camera->GetPerspective(),
.InverseView = glm::inverse(cameraView.View),
.InverseProjection = glm::inverse(cameraView.Projection),
.Position = camera->GetTranslation(),
.Near = camera->Near,
.Far = camera->Far,
};
Vector3 pos = cameraView.View[3];
gpu.AddCamera(camera->ID, std::move(cameraView));
auto view = scene->m_Registry.view<TransformComponent, CameraComponent>();
for (auto e : view)
{
const auto& [transform, cameraComponent] = view.get<TransformComponent, CameraComponent>(e);
const Ref<Camera> camera = cameraComponent.CameraInstance;
CameraView cameraView
{
.View = camera->GetTransform(),
.Projection = camera->GetPerspective(),
.InverseView = glm::inverse(cameraView.View),
.InverseProjection = glm::inverse(cameraView.Projection),
.Position = camera->GetTranslation(),
.Near = camera->Near,
.Far = camera->Far,
};
gpu.AddCamera(camera->ID, std::move(cameraView));
}
}
// Lights
{
auto view = scene->m_Registry.view<TransformComponent, LightComponent>();
for (auto e : view)
{
auto [transform, light] = view.get<TransformComponent, LightComponent>(e);
for (auto& view : light.m_LightViews)
{
CameraView cameraView
{
.View = view.View,
.Projection = view.Proj,
.InverseView = glm::inverse(view.View),
.InverseProjection = glm::inverse(view.Proj),
.Position = transform.GetGlobalTransform()[3],
.Near = 0,
.Far = 0,
};
gpu.AddCamera(view.CameraID, std::move(cameraView));
}
}
}
// Models
{
auto view = scene->m_Registry.view<TransformComponent, ModelComponent, VisibilityComponent>();
for (auto e : view)
{
// Check if we've reached the maximum capacity of the array
if (currentIndex >= MAX_MODEL_MATRIX)
{
assert(false && "Max model matrix reached!");
break;
}
auto [transform, mesh, visibility] = view.get<TransformComponent, ModelComponent, VisibilityComponent>(e);
// Get() will load the resource if its not loaded already
Ref<Model> modelResource = mesh.ModelResource.Get<Model>();
if (!modelResource || !visibility.Visible)
{
continue;
}
// Upload transforms to GPU resources
allTransforms[currentIndex] = transform.GetGlobalTransform();
gpu.ModelMatrixMapping[Entity((entt::entity)e, scene.get()).GetID()] = currentIndex;
// Upload mesh material to GPU resources
for (auto& m : modelResource->GetMeshes())
{
// TODO: Avoid duplicated materials
Ref<Material> material = m->GetMaterial();
if (!material)
{
// insert missing material.
static Ref<Material> missingMaterial = CreateRef<Material>();
missingMaterial->AlbedoImage = TextureManager::Get()->GetTexture2("missing_texture")->GetID();
material = missingMaterial;
}
MaterialBufferStruct materialBuffer
{
.HasAlbedo = material->HasAlbedo(),
.AlbedoColor = material->data.m_AlbedoColor,
.HasNormal = material->HasNormal(),
.HasMetalness = material->HasMetalness(),
.HasRoughness = material->HasRoughness(),
.HasAO = material->HasAO(),
.MetalnessValue = material->data.u_MetalnessValue,
.RoughnessValue = material->data.u_RoughnessValue,
.AoValue = material->data.u_AOValue,
.AlbedoTextureId = material->HasAlbedo() ? gpu.GetBindlessTextureID(material->AlbedoImage) : 0,
.NormalTextureId = material->HasNormal() ? gpu.GetBindlessTextureID(material->NormalImage) : 0,
.MetalnessTextureId = material->HasMetalness() ? gpu.GetBindlessTextureID(material->MetalnessImage) : 0,
.RoughnessTextureId = material->HasRoughness() ? gpu.GetBindlessTextureID(material->RoughnessImage) : 0,
.AoTextureId = material->HasAO() ? gpu.GetBindlessTextureID(material->AOImage) : 0,
};
// Save bindless mapping index
allMaterials[currentMaterialIndex] = std::move(materialBuffer);
gpu.MeshMaterialMapping[m->GetVkMesh()->GetID()] = currentMaterialIndex;
currentMaterialIndex++;
}
currentIndex++;
}
}
// Lights
{
auto lightView = scene->m_Registry.view<TransformComponent, LightComponent>();
for (auto e : lightView)
{
if (lightCount >= MAX_LIGHTS)
{
assert(false && "Max amount of light reached!");
break;
}
auto [transform, lightComp] = lightView.get<TransformComponent, LightComponent>(e);
// Update light direction with transform, shouldn't be here!
// TODO: Move to transform system
lightComp.Direction = transform.GetGlobalRotation() * Vector3(0, 0, -1);
LightData light
{
.Position = Vector3(transform.GetGlobalTransform()[3]),
.Type = lightComp.Type,
.Color = Vector4(lightComp.Color * lightComp.Strength, 1.0),
.Direction = lightComp.Direction,
.OuterConeAngle = glm::cos(Rad(lightComp.OuterCutoff)),
.InnerConeAngle = glm::cos(Rad(lightComp.Cutoff)),
.CastShadow = lightComp.CastShadows,
};
if (lightComp.CastShadows && lightComp.Type == LightType::Directional)
{
for (int i = 0; i < CSM_AMOUNT; i++)
{
light.TransformId[i] = gpu.GetBindlessCameraID(lightComp.m_LightViews[i].CameraID);
light.ShadowMapTextureId[i] = gpu.GetBindlessTextureID(lightComp.m_ShadowMaps[i]->GetID());
}
}
allLights[lightCount] = std::move(light);
lightCount++;
}
}
// Update light CSM
{
auto view = scene->m_Registry.view<TransformComponent, LightComponent>();
for (auto e : view)
{
auto [transform, light] = view.get<TransformComponent, LightComponent>(e);
auto cam = gpu.GetCamera(inContext.CameraID);
if (light.Type == LightType::Directional)
{
light.CalculateViewProjection(cam.View, cam.Projection);
}
}
}
gpu.RecreateBindlessCameras();
}
gpu.ModelTransforms = ModelData{ allTransforms };
gpu.MaterialDataContainer = MaterialData{ allMaterials };
gpu.LightDataContainerArray = LightDataContainer{ allLights };
gpu.LightCount = lightCount;
gpu.UpdateBuffers();
for (auto& scene : scenes)
{
PassRenderContext passCtx = { };
passCtx.scene = scene;
passCtx.commandBuffer = inContext.CommandBuffer;
passCtx.resolution = inContext.Size;
passCtx.cameraID = GPUResources::Get().GetBindlessCameraID(scene->GetCurrentCamera()->ID);
auto view = scene->m_Registry.view<TransformComponent, LightComponent>();
for (auto e : view)
{
auto [transform, light] = view.get<TransformComponent, LightComponent>(e);
if (light.Type != LightType::Directional || !light.CastShadows)
{
continue;
}
light.LightMapIDs.clear();
for (int i = 0; i < CSM_AMOUNT; i++)
{
light.LightMapIDs.push_back(light.m_ShadowMaps[i]->GetID());
passCtx.cameraID = GPUResources::Get().GetBindlessCameraID(light.m_LightViews[i].CameraID);
passCtx.resolution = Vector2{ 4096, 4096 };
shadowRenderPipeline->Render(passCtx, light.m_ShadowMaps[i]);
}
}
}
}
void VkSceneRenderer::DrawSceneView(RenderContext inContext)
{
PassRenderContext passCtx = { };
passCtx.cameraID = GPUResources::Get().GetBindlessCameraID(inContext.CameraID);
passCtx.resolution = inContext.Size;
passCtx.commandBuffer = inContext.CommandBuffer;
passCtx.scene = inContext.CurrentScene;
sceneRenderPipeline->Render(passCtx);
// in case we just resized
inContext.CommandBuffer.TransitionImageLayout(inContext.ViewportImage, VK_IMAGE_LAYOUT_GENERAL);
inContext.CommandBuffer.TransitionImageLayout(sceneRenderPipeline->GetOutput(), VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
inContext.CommandBuffer.TransitionImageLayout(inContext.ViewportImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
inContext.CommandBuffer.CopyImageToImage(sceneRenderPipeline->GetOutput(), inContext.ViewportImage);
inContext.CommandBuffer.TransitionImageLayout(inContext.ViewportImage, VK_IMAGE_LAYOUT_GENERAL);
inContext.CommandBuffer.TransitionImageLayout(sceneRenderPipeline->GetOutput(), VK_IMAGE_LAYOUT_GENERAL);
inContext.CommandBuffer.TransitionImageLayout(inContext.ViewportImage, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}