From 0a199eb0d4bcbc8c2b3bed0f992827e1b10fb11e Mon Sep 17 00:00:00 2001
From: Tobias Frisch <tfrisch@uni-koblenz.de>
Date: Wed, 30 Jun 2021 02:18:09 +0200
Subject: [PATCH] [#56] Added rendering for basic scenes
Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>
---
include/vkcv/Image.hpp | 4 +-
.../material/src/vkcv/material/Material.cpp | 30 +-
modules/scene/CMakeLists.txt | 3 +
modules/scene/include/vkcv/scene/Bounds.hpp | 2 +-
modules/scene/include/vkcv/scene/Mesh.hpp | 55 +---
modules/scene/include/vkcv/scene/MeshPart.hpp | 51 ++++
modules/scene/include/vkcv/scene/Node.hpp | 14 +-
modules/scene/include/vkcv/scene/Scene.hpp | 22 +-
modules/scene/src/vkcv/scene/Bounds.cpp | 4 +
modules/scene/src/vkcv/scene/Mesh.cpp | 211 ++++----------
modules/scene/src/vkcv/scene/MeshPart.cpp | 271 ++++++++++++++++++
modules/scene/src/vkcv/scene/Node.cpp | 50 +++-
modules/scene/src/vkcv/scene/Scene.cpp | 81 +++++-
projects/first_scene/CMakeLists.txt | 4 +-
projects/first_scene/src/main.cpp | 154 +---------
src/vkcv/Handles.cpp | 8 +-
src/vkcv/Image.cpp | 2 +-
17 files changed, 605 insertions(+), 361 deletions(-)
create mode 100644 modules/scene/include/vkcv/scene/MeshPart.hpp
create mode 100644 modules/scene/src/vkcv/scene/MeshPart.cpp
diff --git a/include/vkcv/Image.hpp b/include/vkcv/Image.hpp
index 33f0047c..4db642f4 100644
--- a/include/vkcv/Image.hpp
+++ b/include/vkcv/Image.hpp
@@ -31,7 +31,7 @@ namespace vkcv {
uint32_t getDepth() const;
[[nodiscard]]
- vkcv::ImageHandle getHandle() const;
+ const vkcv::ImageHandle& getHandle() const;
[[nodiscard]]
uint32_t getMipCount() const;
@@ -45,7 +45,7 @@ namespace vkcv {
// TODO: const qualifier removed, very hacky!!!
// Else you cannot recreate an image. Pls fix.
ImageManager* m_manager;
- ImageHandle m_handle;
+ ImageHandle m_handle;
Image(ImageManager* manager, const ImageHandle& handle);
diff --git a/modules/material/src/vkcv/material/Material.cpp b/modules/material/src/vkcv/material/Material.cpp
index d16555ad..aaf2e130 100644
--- a/modules/material/src/vkcv/material/Material.cpp
+++ b/modules/material/src/vkcv/material/Material.cpp
@@ -45,6 +45,16 @@ namespace vkcv::material {
}
}
+ static void fillImage(Image& image, float data [4]) {
+ std::vector<float> vec (image.getWidth() * image.getHeight() * image.getDepth() * 4);
+
+ for (size_t i = 0; i < vec.size(); i++) {
+ vec[i] = data[i % 4];
+ }
+
+ image.fill(data);
+ }
+
Material Material::createPBR(Core &core,
const ImageHandle &colorImg, const SamplerHandle &colorSmp,
const ImageHandle &normalImg, const SamplerHandle &normalSmp,
@@ -66,37 +76,37 @@ namespace vkcv::material {
};
if (!colorImg) {
- vkcv::Image defaultColor = core.createImage(vk::Format::eR8G8B8A8Srgb, 1, 1);
+ vkcv::Image defaultColor = core.createImage(vk::Format::eR8G8B8A8Srgb, 2, 2);
float colorData [4] = { 228, 51, 255, 1 };
- defaultColor.fill(&colorData);
+ fillImage(defaultColor, colorData);
images[0] = defaultColor.getHandle();
}
if (!normalImg) {
- vkcv::Image defaultNormal = core.createImage(vk::Format::eR8G8B8A8Srgb, 1, 1);
+ vkcv::Image defaultNormal = core.createImage(vk::Format::eR8G8B8A8Srgb, 2, 2);
float normalData [4] = { 0, 0, 1, 0 };
- defaultNormal.fill(&normalData);
+ fillImage(defaultNormal, normalData);
images[1] = defaultNormal.getHandle();
}
if (!metRoughImg) {
- vkcv::Image defaultRough = core.createImage(vk::Format::eR8G8B8A8Srgb, 1, 1);
+ vkcv::Image defaultRough = core.createImage(vk::Format::eR8G8B8A8Srgb, 2, 2);
float roughData [4] = { 228, 51, 255, 1 };
- defaultRough.fill(&roughData);
+ fillImage(defaultRough, roughData);
images[2] = defaultRough.getHandle();
}
if (!occlusionImg) {
- vkcv::Image defaultOcclusion = core.createImage(vk::Format::eR8G8B8A8Srgb, 1, 1);
+ vkcv::Image defaultOcclusion = core.createImage(vk::Format::eR8G8B8A8Srgb, 2, 2);
float occlusionData [4] = { 228, 51, 255, 1 };
- defaultOcclusion.fill(&occlusionData);
+ fillImage(defaultOcclusion, occlusionData);
images[3] = defaultOcclusion.getHandle();
}
if (!emissiveImg) {
- vkcv::Image defaultEmissive = core.createImage(vk::Format::eR8G8B8A8Srgb, 1, 1);
+ vkcv::Image defaultEmissive = core.createImage(vk::Format::eR8G8B8A8Srgb, 2, 2);
float emissiveData [4] = { 0, 0, 0, 1 };
- defaultEmissive.fill(&emissiveData);
+ fillImage(defaultEmissive, emissiveData);
images[4] = defaultEmissive.getHandle();
}
diff --git a/modules/scene/CMakeLists.txt b/modules/scene/CMakeLists.txt
index 8e742d92..cd2aff71 100644
--- a/modules/scene/CMakeLists.txt
+++ b/modules/scene/CMakeLists.txt
@@ -13,6 +13,9 @@ set(vkcv_scene_sources
${vkcv_scene_include}/vkcv/scene/Bounds.hpp
${vkcv_scene_source}/vkcv/scene/Bounds.cpp
+ ${vkcv_scene_include}/vkcv/scene/MeshPart.hpp
+ ${vkcv_scene_source}/vkcv/scene/MeshPart.cpp
+
${vkcv_scene_include}/vkcv/scene/Mesh.hpp
${vkcv_scene_source}/vkcv/scene/Mesh.cpp
diff --git a/modules/scene/include/vkcv/scene/Bounds.hpp b/modules/scene/include/vkcv/scene/Bounds.hpp
index 474eb4f5..43694aa8 100644
--- a/modules/scene/include/vkcv/scene/Bounds.hpp
+++ b/modules/scene/include/vkcv/scene/Bounds.hpp
@@ -11,7 +11,7 @@ namespace vkcv::scene {
public:
Bounds();
- ~Bounds();
+ ~Bounds() = default;
Bounds(const Bounds& other) = default;
Bounds(Bounds&& other) = default;
diff --git a/modules/scene/include/vkcv/scene/Mesh.hpp b/modules/scene/include/vkcv/scene/Mesh.hpp
index 94c505a0..7416001e 100644
--- a/modules/scene/include/vkcv/scene/Mesh.hpp
+++ b/modules/scene/include/vkcv/scene/Mesh.hpp
@@ -1,48 +1,13 @@
#pragma once
-#include <memory>
-#include <vector>
+#include <glm/mat4x4.hpp>
-#include <vkcv/Buffer.hpp>
-#include <vkcv/material/Material.hpp>
-#include <vkcv/asset/asset_loader.hpp>
+#include <vkcv/camera/Camera.hpp>
-#include "Bounds.hpp"
+#include "MeshPart.hpp"
namespace vkcv::scene {
- class Scene;
- class Mesh;
-
- class MeshPart {
- friend class Mesh;
-
- private:
- Scene* m_scene;
- BufferHandle m_vertices;
- BufferHandle m_indices;
- Bounds m_bounds;
- size_t m_materialIndex;
-
- explicit MeshPart(Scene* scene);
-
- void load(const asset::Scene& scene,
- const asset::VertexGroup& vertexGroup);
-
- public:
- ~MeshPart();
-
- MeshPart(const MeshPart& other) = default;
- MeshPart(MeshPart&& other) = default;
-
- MeshPart& operator=(const MeshPart& other) = default;
- MeshPart& operator=(MeshPart&& other) = default;
-
- [[nodiscard]]
- const material::Material& getMaterial() const;
-
- };
-
class Node;
class Mesh {
@@ -51,20 +16,24 @@ namespace vkcv::scene {
private:
Scene* m_scene;
std::vector<MeshPart> m_parts;
+ std::vector<DrawcallInfo> m_drawcalls;
+ glm::mat4 m_transform;
explicit Mesh(Scene* scene);
void load(const asset::Scene& scene,
const asset::Mesh& mesh);
+
+ void recordDrawcalls(std::vector<glm::mat4>& matrices, std::vector<DrawcallInfo>& drawcalls);
public:
- ~Mesh() = default;
+ ~Mesh();
- Mesh(const Mesh& other) = default;
- Mesh(Mesh&& other) = default;
+ Mesh(const Mesh& other);
+ Mesh(Mesh&& other) noexcept;
- Mesh& operator=(const Mesh& other) = default;
- Mesh& operator=(Mesh&& other) = default;
+ Mesh& operator=(const Mesh& other);
+ Mesh& operator=(Mesh&& other) noexcept;
};
diff --git a/modules/scene/include/vkcv/scene/MeshPart.hpp b/modules/scene/include/vkcv/scene/MeshPart.hpp
new file mode 100644
index 00000000..70ff7efc
--- /dev/null
+++ b/modules/scene/include/vkcv/scene/MeshPart.hpp
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <vector>
+
+#include <vkcv/Buffer.hpp>
+#include <vkcv/asset/asset_loader.hpp>
+#include <vkcv/material/Material.hpp>
+
+#include "Bounds.hpp"
+
+namespace vkcv::scene {
+
+ class Scene;
+ class Mesh;
+
+ class MeshPart {
+ friend class Mesh;
+
+ private:
+ Scene* m_scene;
+ BufferHandle m_vertices;
+ std::vector<VertexBufferBinding> m_vertexBindings;
+ BufferHandle m_indices;
+ size_t m_indexCount;
+ Bounds m_bounds;
+ size_t m_materialIndex;
+
+ explicit MeshPart(Scene* scene);
+
+ void load(const asset::Scene& scene,
+ const asset::VertexGroup& vertexGroup,
+ std::vector<DrawcallInfo>& drawcalls);
+
+ public:
+ ~MeshPart();
+
+ MeshPart(const MeshPart& other);
+ MeshPart(MeshPart&& other) noexcept;
+
+ MeshPart& operator=(const MeshPart& other);
+ MeshPart& operator=(MeshPart&& other) noexcept;
+
+ [[nodiscard]]
+ const material::Material& getMaterial() const;
+
+ explicit operator bool() const;
+ bool operator!() const;
+
+ };
+
+}
diff --git a/modules/scene/include/vkcv/scene/Node.hpp b/modules/scene/include/vkcv/scene/Node.hpp
index c5d24fc1..3aa0caeb 100644
--- a/modules/scene/include/vkcv/scene/Node.hpp
+++ b/modules/scene/include/vkcv/scene/Node.hpp
@@ -2,6 +2,8 @@
#include <vector>
+#include <vkcv/camera/Camera.hpp>
+
#include "Mesh.hpp"
namespace vkcv::scene {
@@ -20,15 +22,17 @@ namespace vkcv::scene {
explicit Node(Scene* scene);
void loadMesh(const asset::Scene& asset_scene, const asset::Mesh& asset_mesh);
+
+ void recordDrawcalls(std::vector<glm::mat4>& matrices, std::vector<DrawcallInfo>& drawcalls);
public:
- ~Node() = default;
+ ~Node();
- Node(const Node& other) = default;
- Node(Node&& other) = default;
+ Node(const Node& other);
+ Node(Node&& other) noexcept;
- Node& operator=(const Node& other) = default;
- Node& operator=(Node&& other) = default;
+ Node& operator=(const Node& other);
+ Node& operator=(Node&& other) noexcept;
Node& addNode();
diff --git a/modules/scene/include/vkcv/scene/Scene.hpp b/modules/scene/include/vkcv/scene/Scene.hpp
index c41fada0..6320d3db 100644
--- a/modules/scene/include/vkcv/scene/Scene.hpp
+++ b/modules/scene/include/vkcv/scene/Scene.hpp
@@ -3,6 +3,7 @@
#include <filesystem>
#include <vkcv/Core.hpp>
+#include <vkcv/camera/Camera.hpp>
#include <vkcv/material/Material.hpp>
#include "Node.hpp"
@@ -26,16 +27,27 @@ namespace vkcv::scene {
explicit Scene(Core* core);
public:
- ~Scene() = default;
+ ~Scene();
- Scene(const Scene& other) = default;
- Scene(Scene&& other) = default;
+ Scene(const Scene& other);
+ Scene(Scene&& other) noexcept;
- Scene& operator=(const Scene& other) = default;
- Scene& operator=(Scene&& other) = default;
+ Scene& operator=(const Scene& other);
+ Scene& operator=(Scene&& other) noexcept;
Node& addNode();
+ size_t getMaterialCount() const;
+
+ [[nodiscard]]
+ const material::Material& getMaterial(size_t index) const;
+
+ void recordDrawcalls(CommandStreamHandle &cmdStream,
+ const camera::Camera &camera,
+ const PassHandle &pass,
+ const PipelineHandle &pipeline,
+ const std::vector<ImageHandle> &renderTargets);
+
static Scene create(Core& core);
static Scene load(Core& core, const std::filesystem::path &path);
diff --git a/modules/scene/src/vkcv/scene/Bounds.cpp b/modules/scene/src/vkcv/scene/Bounds.cpp
index a25a825c..39d8ae34 100644
--- a/modules/scene/src/vkcv/scene/Bounds.cpp
+++ b/modules/scene/src/vkcv/scene/Bounds.cpp
@@ -2,6 +2,10 @@
#include "vkcv/scene/Bounds.hpp"
namespace vkcv::scene {
+
+ Bounds::Bounds() :
+ m_min(glm::vec3(0)),
+ m_max(glm::vec3(0)) {}
void Bounds::setMin(const glm::vec3 &min) {
m_min = min;
diff --git a/modules/scene/src/vkcv/scene/Mesh.cpp b/modules/scene/src/vkcv/scene/Mesh.cpp
index 3a2dd9c7..6668b8b5 100644
--- a/modules/scene/src/vkcv/scene/Mesh.cpp
+++ b/modules/scene/src/vkcv/scene/Mesh.cpp
@@ -4,174 +4,89 @@
namespace vkcv::scene {
- MeshPart::MeshPart(Scene* scene) :
+ Mesh::Mesh(Scene* scene) :
m_scene(scene) {}
- void loadImage(Core& core, const asset::Scene& asset_scene,
- const asset::Texture& asset_texture,
- const vk::Format& format,
- ImageHandle& image, SamplerHandle& sampler) {
- asset::Sampler* asset_sampler = nullptr;
-
- if ((asset_texture.sampler >= 0) && (asset_texture.sampler < asset_scene.samplers.size())) {
- //asset_sampler = &(asset_scene.samplers[asset_texture.sampler]); // TODO
- }
-
- Image img = core.createImage(format, asset_texture.w, asset_texture.h, 1, true);
- img.fill(asset_texture.data.data());
- image = img.getHandle();
-
- if (asset_sampler) {
- //sampler = core.createSampler(asset_sampler) // TODO
- }
- }
-
- material::Material loadMaterial(Core& core, const asset::Scene& scene,
- const asset::Material& material) {
- ImageHandle diffuseImg;
- SamplerHandle diffuseSmp;
-
- if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
- loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
- diffuseImg,diffuseSmp);
- }
-
- ImageHandle normalImg;
- SamplerHandle normalSmp;
-
- if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
- loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
- diffuseImg,diffuseSmp);
- }
-
- ImageHandle metalRoughImg;
- SamplerHandle metalRoughSmp;
-
- if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
- loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
- diffuseImg,diffuseSmp);
- }
-
- ImageHandle occlusionImg;
- SamplerHandle occlusionSmp;
-
- if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
- loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
- diffuseImg,diffuseSmp);
- }
+ static glm::mat4 arrayTo4x4Matrix(const std::array<float,16>& array){
+ glm::mat4 matrix;
- ImageHandle emissionImg;
- SamplerHandle emissionSmp;
-
- if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
- loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
- diffuseImg,diffuseSmp);
+ for (int i = 0; i < 4; i++){
+ for (int j = 0; j < 4; j++){
+ matrix[i][j] = array[j * 4 + i];
+ }
}
- const float colorFactors [4] = {
- material.baseColorFactor.r,
- material.baseColorFactor.g,
- material.baseColorFactor.b,
- material.baseColorFactor.a
- };
-
- const float emissionFactors[4] = {
- material.emissiveFactor.r,
- material.emissiveFactor.g,
- material.emissiveFactor.b
- };
-
- return material::Material::createPBR(
- core,
- diffuseImg, diffuseSmp,
- normalImg, normalSmp,
- metalRoughImg, metalRoughSmp,
- occlusionImg, occlusionSmp,
- emissionImg, emissionSmp,
- colorFactors,
- material.normalScale,
- material.metallicFactor,
- material.roughnessFactor,
- material.occlusionStrength,
- emissionFactors
- );
+ return matrix;
}
- void MeshPart::load(const asset::Scene& scene,
- const asset::VertexGroup &vertexGroup) {
- Core& core = *(m_scene->m_core);
-
- auto vertexBuffer = core.createBuffer<uint8_t>(
- BufferType::VERTEX, vertexGroup.vertexBuffer.data.size()
- );
-
- vertexBuffer.fill(vertexGroup.vertexBuffer.data);
- m_vertices = vertexBuffer.getHandle();
-
- auto indexBuffer = core.createBuffer<uint8_t>(
- BufferType::INDEX, vertexGroup.indexBuffer.data.size()
- );
-
- indexBuffer.fill(vertexGroup.indexBuffer.data);
- m_indices = indexBuffer.getHandle();
-
- m_bounds.setMin(glm::vec3(
- vertexGroup.min.x,
- vertexGroup.min.y,
- vertexGroup.min.z
- ));
-
- m_bounds.setMax(glm::vec3(
- vertexGroup.max.x,
- vertexGroup.max.y,
- vertexGroup.max.z
- ));
+ void Mesh::load(const asset::Scene &scene, const asset::Mesh &mesh) {
+ m_drawcalls.clear();
- if ((vertexGroup.materialIndex >= 0) &&
- (vertexGroup.materialIndex < scene.materials.size())) {
- m_materialIndex = vertexGroup.materialIndex;
+ for (const auto& vertexGroupIndex : mesh.vertexGroups) {
+ if ((vertexGroupIndex < 0) || (vertexGroupIndex >= scene.vertexGroups.size())) {
+ continue;
+ }
- auto& material = m_scene->m_materials[m_materialIndex];
+ MeshPart part (m_scene);
+ part.load(scene, scene.vertexGroups[vertexGroupIndex], m_drawcalls);
- if (0 == material.m_usages++) {
- material.m_data = loadMaterial(core, scene, scene.materials[vertexGroup.materialIndex]);
+ if (!part) {
+ continue;
}
- } else {
- m_materialIndex = std::numeric_limits<size_t>::max();
+
+ m_parts.push_back(part);
}
+
+ m_transform = arrayTo4x4Matrix(mesh.modelMatrix);
}
- MeshPart::~MeshPart() {
- if (m_materialIndex < std::numeric_limits<size_t>::max()) {
- auto& material = m_scene->m_materials[m_materialIndex];
-
- if (material.m_usages > 0) {
- material.m_usages--;
- }
- }
+ Mesh::~Mesh() {
+ m_drawcalls.clear();
+ m_parts.clear();
}
- const material::Material & MeshPart::getMaterial() const {
- if (m_materialIndex < std::numeric_limits<size_t>::max()) {
- return m_scene->m_materials[m_materialIndex].m_data;
- } else {
- static material::Material noMaterial;
- return noMaterial;
+ Mesh::Mesh(const Mesh &other) :
+ m_scene(other.m_scene),
+ m_parts(other.m_parts),
+ m_drawcalls(other.m_drawcalls),
+ m_transform(other.m_transform) {}
+
+ Mesh::Mesh(Mesh &&other) noexcept :
+ m_scene(other.m_scene),
+ m_parts(other.m_parts),
+ m_drawcalls(other.m_drawcalls),
+ m_transform(other.m_transform) {}
+
+ Mesh &Mesh::operator=(const Mesh &other) {
+ if (&other == this) {
+ return *this;
}
+
+ m_scene = other.m_scene;
+ m_parts = std::vector<MeshPart>(other.m_parts);
+ m_drawcalls = std::vector<DrawcallInfo>(other.m_drawcalls);
+ m_transform = other.m_transform;
+
+ return *this;
}
- Mesh::Mesh(Scene* scene) :
- m_scene(scene) {}
+ Mesh &Mesh::operator=(Mesh &&other) noexcept {
+ m_scene = other.m_scene;
+ m_parts = std::move(other.m_parts);
+ m_drawcalls = std::move(other.m_drawcalls);
+ m_transform = other.m_transform;
+
+ return *this;
+ }
- void Mesh::load(const asset::Scene &scene, const asset::Mesh &mesh) {
- for (const auto& vertexGroupIndex : mesh.vertexGroups) {
- if ((vertexGroupIndex < 0) || (vertexGroupIndex >= scene.vertexGroups.size())) {
- continue;
- }
-
- MeshPart part (m_scene);
- part.load(scene, scene.vertexGroups[vertexGroupIndex]);
- m_parts.push_back(part);
+ void Mesh::recordDrawcalls(std::vector<glm::mat4>& matrices,
+ std::vector<DrawcallInfo>& drawcalls) {
+ for (const auto& part : m_parts) {
+ matrices.push_back(m_transform);
+ }
+
+ for (const auto& drawcall : m_drawcalls) {
+ drawcalls.push_back(drawcall);
}
}
diff --git a/modules/scene/src/vkcv/scene/MeshPart.cpp b/modules/scene/src/vkcv/scene/MeshPart.cpp
new file mode 100644
index 00000000..316cf673
--- /dev/null
+++ b/modules/scene/src/vkcv/scene/MeshPart.cpp
@@ -0,0 +1,271 @@
+
+#include "vkcv/scene/MeshPart.hpp"
+#include "vkcv/scene/Scene.hpp"
+
+namespace vkcv::scene {
+
+ MeshPart::MeshPart(Scene* scene) :
+ m_scene(scene),
+ m_vertices(),
+ m_vertexBindings(),
+ m_indices(),
+ m_indexCount(0),
+ m_bounds(),
+ m_materialIndex(std::numeric_limits<size_t>::max()) {}
+
+ static void loadImage(Core& core, const asset::Scene& asset_scene,
+ const asset::Texture& asset_texture,
+ const vk::Format& format,
+ ImageHandle& image, SamplerHandle& sampler) {
+ asset::Sampler* asset_sampler = nullptr;
+
+ if ((asset_texture.sampler >= 0) && (asset_texture.sampler < asset_scene.samplers.size())) {
+ //asset_sampler = &(asset_scene.samplers[asset_texture.sampler]); // TODO
+ }
+
+ Image img = core.createImage(format, asset_texture.w, asset_texture.h);
+ img.fill(asset_texture.data.data());
+ image = img.getHandle();
+
+ if (asset_sampler) {
+ //sampler = core.createSampler(asset_sampler) // TODO
+ } else {
+ sampler = core.createSampler(
+ vkcv::SamplerFilterType::LINEAR,
+ vkcv::SamplerFilterType::LINEAR,
+ vkcv::SamplerMipmapMode::LINEAR,
+ vkcv::SamplerAddressMode::REPEAT
+ );
+ }
+ }
+
+ static material::Material loadMaterial(Core& core, const asset::Scene& scene,
+ const asset::Material& material) {
+ ImageHandle diffuseImg;
+ SamplerHandle diffuseSmp;
+
+ if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
+ loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
+ diffuseImg,diffuseSmp);
+ }
+
+ ImageHandle normalImg;
+ SamplerHandle normalSmp;
+
+ if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
+ loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
+ diffuseImg,diffuseSmp);
+ }
+
+ ImageHandle metalRoughImg;
+ SamplerHandle metalRoughSmp;
+
+ if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
+ loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
+ diffuseImg,diffuseSmp);
+ }
+
+ ImageHandle occlusionImg;
+ SamplerHandle occlusionSmp;
+
+ if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
+ loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
+ diffuseImg,diffuseSmp);
+ }
+
+ ImageHandle emissionImg;
+ SamplerHandle emissionSmp;
+
+ if ((material.baseColor >= 0) && (material.baseColor < scene.textures.size())) {
+ loadImage(core, scene, scene.textures[material.baseColor], vk::Format::eR8G8B8A8Srgb,
+ diffuseImg,diffuseSmp);
+ }
+
+ const float colorFactors [4] = {
+ material.baseColorFactor.r,
+ material.baseColorFactor.g,
+ material.baseColorFactor.b,
+ material.baseColorFactor.a
+ };
+
+ const float emissionFactors[4] = {
+ material.emissiveFactor.r,
+ material.emissiveFactor.g,
+ material.emissiveFactor.b
+ };
+
+ return material::Material::createPBR(
+ core,
+ diffuseImg, diffuseSmp,
+ normalImg, normalSmp,
+ metalRoughImg, metalRoughSmp,
+ occlusionImg, occlusionSmp,
+ emissionImg, emissionSmp,
+ colorFactors,
+ material.normalScale,
+ material.metallicFactor,
+ material.roughnessFactor,
+ material.occlusionStrength,
+ emissionFactors
+ );
+ }
+
+ void MeshPart::load(const asset::Scene& scene,
+ const asset::VertexGroup &vertexGroup,
+ std::vector<DrawcallInfo>& drawcalls) {
+ Core& core = *(m_scene->m_core);
+
+ auto vertexBuffer = core.createBuffer<uint8_t>(
+ BufferType::VERTEX, vertexGroup.vertexBuffer.data.size()
+ );
+
+ vertexBuffer.fill(vertexGroup.vertexBuffer.data);
+ m_vertices = vertexBuffer.getHandle();
+
+ auto attributes = vertexGroup.vertexBuffer.attributes;
+
+ std::sort(attributes.begin(), attributes.end(), [](const vkcv::asset::VertexAttribute& x, const vkcv::asset::VertexAttribute& y) {
+ return static_cast<uint32_t>(x.type) < static_cast<uint32_t>(y.type);
+ });
+
+ for (const auto& attribute : attributes) {
+ m_vertexBindings.emplace_back(attribute.offset, vertexBuffer.getVulkanHandle());
+ }
+
+ auto indexBuffer = core.createBuffer<uint8_t>(
+ BufferType::INDEX, vertexGroup.indexBuffer.data.size()
+ );
+
+ indexBuffer.fill(vertexGroup.indexBuffer.data);
+ m_indices = indexBuffer.getHandle();
+ m_indexCount = vertexGroup.numIndices;
+
+ m_bounds.setMin(glm::vec3(
+ vertexGroup.min.x,
+ vertexGroup.min.y,
+ vertexGroup.min.z
+ ));
+
+ m_bounds.setMax(glm::vec3(
+ vertexGroup.max.x,
+ vertexGroup.max.y,
+ vertexGroup.max.z
+ ));
+
+ if ((vertexGroup.materialIndex >= 0) &&
+ (vertexGroup.materialIndex < scene.materials.size())) {
+ m_materialIndex = vertexGroup.materialIndex;
+
+ auto& material = m_scene->m_materials[m_materialIndex];
+
+ if (0 == material.m_usages++) {
+ material.m_data = loadMaterial(core, scene, scene.materials[vertexGroup.materialIndex]);
+ }
+ } else {
+ m_materialIndex = std::numeric_limits<size_t>::max();
+ }
+
+ if (*this) {
+ const auto& material = getMaterial();
+ const auto& descriptorSet = core.getDescriptorSet(material.getDescriptorSet());
+
+ drawcalls.push_back(DrawcallInfo(
+ vkcv::Mesh(m_vertexBindings, indexBuffer.getVulkanHandle(), m_indexCount),
+ { DescriptorSetUsage(0, descriptorSet.vulkanHandle) }
+ ));
+ }
+ }
+
+ MeshPart::~MeshPart() {
+ if ((m_scene->m_core) && (m_materialIndex < m_scene->m_materials.size())) {
+ auto& material = m_scene->m_materials[m_materialIndex];
+
+ if (material.m_usages > 0) {
+ material.m_usages--;
+ }
+ }
+ }
+
+ MeshPart::MeshPart(const MeshPart &other) :
+ m_scene(other.m_scene),
+ m_vertices(other.m_vertices),
+ m_vertexBindings(other.m_vertexBindings),
+ m_indices(other.m_indices),
+ m_indexCount(other.m_indexCount),
+ m_bounds(other.m_bounds),
+ m_materialIndex(other.m_materialIndex) {
+ if (m_materialIndex < std::numeric_limits<size_t>::max()) {
+ auto& material = m_scene->m_materials[m_materialIndex];
+
+ material.m_usages++;
+ }
+ }
+
+ MeshPart::MeshPart(MeshPart &&other) noexcept :
+ m_scene(other.m_scene),
+ m_vertices(other.m_vertices),
+ m_vertexBindings(other.m_vertexBindings),
+ m_indices(other.m_indices),
+ m_indexCount(other.m_indexCount),
+ m_bounds(other.m_bounds),
+ m_materialIndex(other.m_materialIndex) {
+ other.m_materialIndex = std::numeric_limits<size_t>::max();
+ }
+
+ MeshPart &MeshPart::operator=(const MeshPart &other) {
+ if (&other == this) {
+ return *this;
+ }
+
+ m_scene = other.m_scene;
+ m_vertices = other.m_vertices;
+ m_vertexBindings = other.m_vertexBindings;
+ m_indices = other.m_indices;
+ m_indexCount = other.m_indexCount;
+ m_bounds = other.m_bounds;
+ m_materialIndex = other.m_materialIndex;
+
+ return *this;
+ }
+
+ MeshPart &MeshPart::operator=(MeshPart &&other) noexcept {
+ m_scene = other.m_scene;
+ m_vertices = other.m_vertices;
+ m_vertexBindings = other.m_vertexBindings;
+ m_indices = other.m_indices;
+ m_indexCount = other.m_indexCount;
+ m_bounds = other.m_bounds;
+ m_materialIndex = other.m_materialIndex;
+
+ other.m_materialIndex = std::numeric_limits<size_t>::max();
+
+ return *this;
+ }
+
+ const material::Material & MeshPart::getMaterial() const {
+ static material::Material noMaterial;
+
+ if (m_materialIndex < m_scene->m_materials.size()) {
+ return m_scene->m_materials[m_materialIndex].m_data;
+ } else {
+ return noMaterial;
+ }
+ }
+
+ MeshPart::operator bool() const {
+ return (
+ (m_materialIndex < m_scene->m_materials.size()) &&
+ (m_vertices) &&
+ (m_indices)
+ );
+ }
+
+ bool MeshPart::operator!() const {
+ return (
+ (m_materialIndex >= m_scene->m_materials.size()) ||
+ (!m_vertices) ||
+ (!m_indices)
+ );
+ }
+
+}
diff --git a/modules/scene/src/vkcv/scene/Node.cpp b/modules/scene/src/vkcv/scene/Node.cpp
index c88c9141..a2f30bb9 100644
--- a/modules/scene/src/vkcv/scene/Node.cpp
+++ b/modules/scene/src/vkcv/scene/Node.cpp
@@ -4,7 +4,44 @@
namespace vkcv::scene {
Node::Node(Scene* scene) :
- m_scene(scene) {}
+ m_scene(scene),
+ m_meshes(),
+ m_nodes() {}
+
+ Node::~Node() {
+ m_nodes.clear();
+ m_meshes.clear();
+ }
+
+ Node::Node(const Node &other) :
+ m_scene(other.m_scene),
+ m_meshes(other.m_meshes),
+ m_nodes(other.m_nodes) {}
+
+ Node::Node(Node &&other) noexcept :
+ m_scene(other.m_scene),
+ m_meshes(other.m_meshes),
+ m_nodes(other.m_nodes) {}
+
+ Node &Node::operator=(const Node &other) {
+ if (&other == this) {
+ return *this;
+ }
+
+ m_scene = other.m_scene;
+ m_meshes = std::vector<Mesh>(other.m_meshes);
+ m_nodes = std::vector<Node>(other.m_nodes);
+
+ return *this;
+ }
+
+ Node &Node::operator=(Node &&other) noexcept {
+ m_scene = other.m_scene;
+ m_meshes = std::move(other.m_meshes);
+ m_nodes = std::move(other.m_nodes);
+
+ return *this;
+ }
void Node::loadMesh(const asset::Scene &asset_scene, const asset::Mesh &asset_mesh) {
Mesh mesh (m_scene);
@@ -17,5 +54,16 @@ namespace vkcv::scene {
m_nodes.push_back(node);
return m_nodes.back();
}
+
+ void Node::recordDrawcalls(std::vector<glm::mat4>& matrices,
+ std::vector<DrawcallInfo>& drawcalls) {
+ for (auto& mesh : m_meshes) {
+ mesh.recordDrawcalls(matrices, drawcalls);
+ }
+
+ for (auto& node : m_nodes) {
+ node.recordDrawcalls(matrices, drawcalls);
+ }
+ }
}
diff --git a/modules/scene/src/vkcv/scene/Scene.cpp b/modules/scene/src/vkcv/scene/Scene.cpp
index 8ee56ca7..c58125b7 100644
--- a/modules/scene/src/vkcv/scene/Scene.cpp
+++ b/modules/scene/src/vkcv/scene/Scene.cpp
@@ -7,7 +7,44 @@
namespace vkcv::scene {
Scene::Scene(Core* core) :
- m_core(core) {}
+ m_core(core),
+ m_nodes(),
+ m_materials() {}
+
+ Scene::~Scene() {
+ m_nodes.clear();
+ m_materials.clear();
+ }
+
+ Scene::Scene(const Scene &other) :
+ m_core(other.m_core),
+ m_materials(other.m_materials),
+ m_nodes(other.m_nodes) {}
+
+ Scene::Scene(Scene &&other) noexcept :
+ m_core(other.m_core),
+ m_materials(other.m_materials),
+ m_nodes(other.m_nodes) {}
+
+ Scene &Scene::operator=(const Scene &other) {
+ if (&other == this) {
+ return *this;
+ }
+
+ m_core = other.m_core;
+ m_materials = std::vector<Material>(other.m_materials);
+ m_nodes = std::vector<Node>(other.m_nodes);
+
+ return *this;
+ }
+
+ Scene &Scene::operator=(Scene &&other) noexcept {
+ m_core = other.m_core;
+ m_materials = std::move(other.m_materials);
+ m_nodes = std::move(other.m_nodes);
+
+ return *this;
+ }
Node& Scene::addNode() {
Node node (this);
@@ -15,6 +52,48 @@ namespace vkcv::scene {
return m_nodes.back();
}
+ size_t Scene::getMaterialCount() const {
+ return m_materials.size();
+ }
+
+ const material::Material & Scene::getMaterial(size_t index) const {
+ static material::Material noMaterial;
+
+ if (index >= m_materials.size()) {
+ return noMaterial;
+ }
+
+ return m_materials[index].m_data;
+ }
+
+ void Scene::recordDrawcalls(CommandStreamHandle &cmdStream,
+ const camera::Camera &camera,
+ const PassHandle &pass,
+ const PipelineHandle &pipeline,
+ const std::vector<ImageHandle> &renderTargets) {
+ std::vector<glm::mat4> matrices;
+ std::vector<DrawcallInfo> drawcalls;
+
+ for (auto& node : m_nodes) {
+ node.recordDrawcalls(matrices, drawcalls);
+ }
+
+ for (auto& matrix : matrices) {
+ matrix = camera.getMVP() * matrix;
+ }
+
+ PushConstantData pushConstantData (matrices.data(), sizeof(glm::mat4));
+
+ m_core->recordDrawcallsToCmdStream(
+ cmdStream,
+ pass,
+ pipeline,
+ pushConstantData,
+ drawcalls,
+ renderTargets
+ );
+ }
+
Scene Scene::create(Core& core) {
return Scene(&core);
}
diff --git a/projects/first_scene/CMakeLists.txt b/projects/first_scene/CMakeLists.txt
index 8b907397..467663dc 100644
--- a/projects/first_scene/CMakeLists.txt
+++ b/projects/first_scene/CMakeLists.txt
@@ -22,7 +22,7 @@ if(MSVC)
endif()
# including headers of dependencies and the VkCV framework
-target_include_directories(first_scene SYSTEM BEFORE PRIVATE ${vkcv_include} ${vkcv_includes} ${vkcv_asset_loader_include} ${vkcv_camera_include})
+target_include_directories(first_scene SYSTEM BEFORE PRIVATE ${vkcv_include} ${vkcv_includes} ${vkcv_asset_loader_include} ${vkcv_camera_include} ${vkcv_scene_include})
# linking with libraries from all dependencies and the VkCV framework
-target_link_libraries(first_scene vkcv ${vkcv_libraries} vkcv_asset_loader ${vkcv_asset_loader_libraries} vkcv_camera)
+target_link_libraries(first_scene vkcv ${vkcv_libraries} vkcv_asset_loader ${vkcv_asset_loader_libraries} vkcv_camera vkcv_scene)
diff --git a/projects/first_scene/src/main.cpp b/projects/first_scene/src/main.cpp
index 420400cd..919dc7dd 100644
--- a/projects/first_scene/src/main.cpp
+++ b/projects/first_scene/src/main.cpp
@@ -5,16 +5,9 @@
#include <chrono>
#include <vkcv/asset/asset_loader.hpp>
#include <vkcv/Logger.hpp>
+#include <vkcv/scene/Scene.hpp>
+
-glm::mat4 arrayTo4x4Matrix(std::array<float,16> array){
- glm::mat4 matrix;
- for (int i = 0; i < 4; i++){
- for (int j = 0; j < 4; j++){
- matrix[i][j] = array[j * 4 + i];
- }
- }
- return matrix;
-}
int main(int argc, const char** argv) {
const char* applicationName = "First Scene";
@@ -46,66 +39,10 @@ int main(int argc, const char** argv) {
{},
{ "VK_KHR_swapchain" }
);
-
- vkcv::asset::Scene scene;
-
- const char* path = argc > 1 ? argv[1] : "resources/Sponza/Sponza.gltf";
- int result = vkcv::asset::loadScene(path, scene);
-
- if (result == 1) {
- std::cout << "Mesh loading successful!" << std::endl;
- }
- else {
- std::cout << "Mesh loading failed: " << result << std::endl;
- return 1;
- }
-
- assert(!scene.vertexGroups.empty());
- std::vector<std::vector<uint8_t>> vBuffers;
- std::vector<std::vector<uint8_t>> iBuffers;
-
- std::vector<vkcv::VertexBufferBinding> vBufferBindings;
- std::vector<std::vector<vkcv::VertexBufferBinding>> vertexBufferBindings;
- std::vector<vkcv::asset::VertexAttribute> vAttributes;
-
- for (int i = 0; i < scene.vertexGroups.size(); i++) {
-
- vBuffers.push_back(scene.vertexGroups[i].vertexBuffer.data);
- iBuffers.push_back(scene.vertexGroups[i].indexBuffer.data);
-
- auto& attributes = scene.vertexGroups[i].vertexBuffer.attributes;
-
- std::sort(attributes.begin(), attributes.end(), [](const vkcv::asset::VertexAttribute& x, const vkcv::asset::VertexAttribute& y) {
- return static_cast<uint32_t>(x.type) < static_cast<uint32_t>(y.type);
- });
- }
-
- std::vector<vkcv::Buffer<uint8_t>> vertexBuffers;
- for (const vkcv::asset::VertexGroup& group : scene.vertexGroups) {
- vertexBuffers.push_back(core.createBuffer<uint8_t>(
- vkcv::BufferType::VERTEX,
- group.vertexBuffer.data.size()));
- vertexBuffers.back().fill(group.vertexBuffer.data);
- }
-
- std::vector<vkcv::Buffer<uint8_t>> indexBuffers;
- for (const auto& dataBuffer : iBuffers) {
- indexBuffers.push_back(core.createBuffer<uint8_t>(
- vkcv::BufferType::INDEX,
- dataBuffer.size()));
- indexBuffers.back().fill(dataBuffer);
- }
-
- int vertexBufferIndex = 0;
- for (const auto& vertexGroup : scene.vertexGroups) {
- for (const auto& attribute : vertexGroup.vertexBuffer.attributes) {
- vAttributes.push_back(attribute);
- vBufferBindings.push_back(vkcv::VertexBufferBinding(attribute.offset, vertexBuffers[vertexBufferIndex].getVulkanHandle()));
- }
- vertexBufferBindings.push_back(vBufferBindings);
- vBufferBindings.clear();
- vertexBufferIndex++;
- }
+
+ vkcv::scene::Scene scene = vkcv::scene::Scene::load(core, std::filesystem::path(
+ argc > 1 ? argv[1] : "resources/Sponza/Sponza.gltf"
+ ));
const vkcv::AttachmentDescription present_color_attachment(
vkcv::AttachmentOperation::STORE,
@@ -138,41 +75,8 @@ int main(int argc, const char** argv) {
}
const vkcv::VertexLayout sceneLayout(bindings);
-
- uint32_t setID = 0;
-
- std::vector<vkcv::DescriptorBinding> descriptorBindings = { sceneShaderProgram.getReflectedDescriptors()[setID] };
-
- vkcv::SamplerHandle sampler = core.createSampler(
- vkcv::SamplerFilterType::LINEAR,
- vkcv::SamplerFilterType::LINEAR,
- vkcv::SamplerMipmapMode::LINEAR,
- vkcv::SamplerAddressMode::REPEAT
- );
-
- std::vector<vkcv::Image> sceneImages;
- std::vector<vkcv::DescriptorSetHandle> descriptorSets;
- for (const auto& vertexGroup : scene.vertexGroups) {
- descriptorSets.push_back(core.createDescriptorSet(descriptorBindings));
-
- const auto& material = scene.materials[vertexGroup.materialIndex];
-
- int baseColorIndex = material.baseColor;
- if (baseColorIndex < 0) {
- vkcv_log(vkcv::LogLevel::WARNING, "Material lacks base color");
- baseColorIndex = 0;
- }
-
- vkcv::asset::Texture& sceneTexture = scene.textures[baseColorIndex];
-
- sceneImages.push_back(core.createImage(vk::Format::eR8G8B8A8Srgb, sceneTexture.w, sceneTexture.h));
- sceneImages.back().fill(sceneTexture.data.data());
-
- vkcv::DescriptorWrites setWrites;
- setWrites.sampledImageWrites = { vkcv::SampledImageDescriptorWrite(0, sceneImages.back().getHandle()) };
- setWrites.samplerWrites = { vkcv::SamplerDescriptorWrite(1, sampler) };
- core.writeDescriptorSet(descriptorSets.back(), setWrites);
- }
+
+ const auto& material0 = scene.getMaterial(0);
const vkcv::PipelineConfig scenePipelineDefsinition{
sceneShaderProgram,
@@ -180,7 +84,7 @@ int main(int argc, const char** argv) {
UINT32_MAX,
scenePass,
{sceneLayout},
- { core.getDescriptorSet(descriptorSets[0]).layout },
+ { core.getDescriptorSet(material0.getDescriptorSet()).layout },
true };
vkcv::PipelineHandle scenePipeline = core.createGraphicsPipeline(scenePipelineDefsinition);
@@ -193,25 +97,6 @@ int main(int argc, const char** argv) {
const vkcv::ImageHandle swapchainInput = vkcv::ImageHandle::createSwapchainImageHandle();
- std::vector<vkcv::DrawcallInfo> drawcalls;
- for(int i = 0; i < scene.vertexGroups.size(); i++){
- vkcv::Mesh renderMesh(vertexBufferBindings[i], indexBuffers[i].getVulkanHandle(), scene.vertexGroups[i].numIndices);
-
- vkcv::DescriptorSetUsage descriptorUsage(0, core.getDescriptorSet(descriptorSets[i]).vulkanHandle);
-
- drawcalls.push_back(vkcv::DrawcallInfo(renderMesh, {descriptorUsage}));
- }
-
- std::vector<glm::mat4> modelMatrices;
- modelMatrices.resize(scene.vertexGroups.size(), glm::mat4(1.f));
- for (const auto &mesh : scene.meshes) {
- const glm::mat4 m = arrayTo4x4Matrix(mesh.modelMatrix);
- for (const auto &vertexGroupIndex : mesh.vertexGroups) {
- modelMatrices[vertexGroupIndex] = m;
- }
- }
- std::vector<glm::mat4> mvp;
-
auto start = std::chrono::system_clock::now();
while (window.isWindowOpen()) {
vkcv::Window::pollEvents();
@@ -236,25 +121,16 @@ int main(int argc, const char** argv) {
start = end;
cameraManager.update(0.000001 * static_cast<double>(deltatime.count()));
- glm::mat4 vp = cameraManager.getActiveCamera().getMVP();
-
- mvp.clear();
- for (const auto& m : modelMatrices) {
- mvp.push_back(vp * m);
- }
-
- vkcv::PushConstantData pushConstantData((void*)mvp.data(), sizeof(glm::mat4));
const std::vector<vkcv::ImageHandle> renderTargets = { swapchainInput, depthBuffer };
auto cmdStream = core.createCommandStream(vkcv::QueueType::Graphics);
- core.recordDrawcallsToCmdStream(
- cmdStream,
- scenePass,
- scenePipeline,
- pushConstantData,
- drawcalls,
- renderTargets);
+ scene.recordDrawcalls(cmdStream,
+ cameraManager.getActiveCamera(),
+ scenePass,
+ scenePipeline,
+ renderTargets);
+
core.prepareSwapchainImageForPresent(cmdStream);
core.submitCommandStream(cmdStream);
core.endFrame();
diff --git a/src/vkcv/Handles.cpp b/src/vkcv/Handles.cpp
index 02048941..65fc02de 100644
--- a/src/vkcv/Handles.cpp
+++ b/src/vkcv/Handles.cpp
@@ -1,5 +1,7 @@
#include "vkcv/Handles.hpp"
+#include <iostream>
+
namespace vkcv {
Handle::Handle() :
@@ -11,7 +13,7 @@ namespace vkcv {
{}
Handle::~Handle() {
- if ((m_rc) && (--(*m_rc) == 0)) {
+ if ((m_rc) && (*m_rc > 0) && (--(*m_rc) == 0)) {
if (m_destroy) {
m_destroy(m_id);
}
@@ -82,9 +84,9 @@ namespace vkcv {
std::ostream& operator << (std::ostream& out, const Handle& handle) {
if (handle) {
- return out << "[Handle: " << handle.getId() << ":" << handle.getRC() << "]";
+ return out << "[" << typeid(handle).name() << ": " << handle.getId() << ":" << handle.getRC() << "]";
} else {
- return out << "[Handle: none]";
+ return out << "[" << typeid(handle).name() << ": none]";
}
}
diff --git a/src/vkcv/Image.cpp b/src/vkcv/Image.cpp
index 4b43b129..e97e31b5 100644
--- a/src/vkcv/Image.cpp
+++ b/src/vkcv/Image.cpp
@@ -53,7 +53,7 @@ namespace vkcv{
m_manager->switchImageLayoutImmediate(m_handle, newLayout);
}
- vkcv::ImageHandle Image::getHandle() const {
+ const vkcv::ImageHandle& Image::getHandle() const {
return m_handle;
}
--
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