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Merge remote-tracking branch 'origin/master' into enhancements

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# Conflicts:
#	openVulkanoCpp/Scene/Camera.hpp
This commit is contained in:
Georg Hagen
2024-07-21 01:28:46 +02:00
parent 4e445495e4 dae57bfc7f
commit 87038ed1cd
29 changed files with 734 additions and 27 deletions
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2
.idea/.name generated
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@@ -1 +1 @@
OpenVulkano
openVulkanoCpp

9
CMakeLists.txt
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@@ -48,8 +48,15 @@ if(IOS)
add_executable(openVulkanoCpp examples/main.m ${resources})
else()
file(GLOB_RECURSE sources CONFIGURE_DEPENDS "openVulkanoCpp/*.h" "openVulkanoCpp/*.c" "openVulkanoCpp/*.hpp" "openVulkanoCpp/*.cpp" "examples/*.hpp" "examples/*.cpp")
add_executable(openVulkanoCpp examples/main.cpp)
file(GLOB SHADER_SRC_FILES ${ROOT_FOLDER}/openVulkanoCpp/Shader/*)
list(FILTER SHADER_SRC_FILES EXCLUDE REGEX ".*\\.(hpp|cpp)$")
add_executable(openVulkanoCpp examples/main.cpp ${SHADER_SRC_FILES})
if (MSVC)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
source_group("Shaders" FILES ${SHADER_SRC_FILES})
endif()
endif()
FilterPlatformPaths(sources)
SetWarningSettings(openVulkanoCpp)
set_property(TARGET openVulkanoCpp PROPERTY CXX_STANDARD 20)

6
cmake/SetupVulkan.cmake
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@@ -5,6 +5,11 @@ function(SetupVulkan TARGET)
else ()
find_package(Vulkan REQUIRED)
target_link_libraries(${TARGET} PRIVATE Vulkan::Vulkan)
find_package(Vulkan OPTIONAL_COMPONENTS shaderc_combined)
if (Vulkan_shaderc_combined_FOUND)
target_link_libraries(${TARGET} PRIVATE Vulkan::shaderc_combined)
target_compile_definitions(${TARGET} PRIVATE HAS_SHADERC)
endif ()
endif ()
target_include_directories(${TARGET} PUBLIC ${Vulkan_INCLUDE_DIR})
@@ -18,3 +23,4 @@ function(SetupVulkan TARGET)
target_link_libraries(${TARGET} PRIVATE ${XCB_LIBRARIES})
endif()
endfunction()

160
examples/ExampleApps/BillboardExampleApp.cpp Normal file
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@@ -0,0 +1,160 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "BillboardExampleApp.hpp"
#include "Scene/Scene.hpp"
#include "Scene/Shader/Shader.hpp"
#include "Scene/Geometry.hpp"
#include "Scene/GeometryFactory.hpp"
#include "Scene/Material.hpp"
#include "Scene/Vertex.hpp"
#include "Scene/SimpleDrawable.hpp"
#include "Scene/UI/PerformanceInfo.hpp"
#include "Scene/UniformBuffer.hpp"
#include "Input/InputManager.hpp"
#include "Host/GraphicsAppManager.hpp"
#include "Host/GLFW/WindowGLFW.hpp"
#include "Math/Math.hpp"
#include "Base/EngineConfiguration.hpp"
#include "Controller/FreeCamCameraController.hpp"
namespace OpenVulkano
{
using namespace Scene;
using namespace Input;
using namespace Math;
class BillboardExampleAppImpl final : public BillboardExampleApp
{
public:
struct BillboardControlBlock
{
Math::Vector2f quadSize;
bool isFixedSize;
};
void Init() override
{
auto engineConfig = OpenVulkano::EngineConfiguration::GetEngineConfiguration();
engineConfig->SetNumThreads(4);
engineConfig->SetPreferFramebufferFormatSRGB(false);
std::srand(1); // Fix seed for random numbers
m_scene.Init();
m_cam.Init(70, 16, 9, 0.1f, 100);
m_scene.SetCamera(&m_cam);
m_quadBillboardShader.AddShaderProgram(OpenVulkano::ShaderProgramType::VERTEX, "Shader/billboardFromSinglePoint");
m_quadBillboardShader.AddShaderProgram(OpenVulkano::ShaderProgramType::GEOMETRY, "Shader/billboardFromSinglePoint");
m_quadBillboardShader.AddShaderProgram(OpenVulkano::ShaderProgramType::FRAGMENT, "Shader/basicTexture");
m_quadBillboardShader.AddVertexInputDescription(OpenVulkano::Vertex::GetVertexInputDescription());
m_quadBillboardShader.AddDescriptorSetLayoutBinding(Texture::DESCRIPTOR_SET_LAYOUT_BINDING);
m_quadBillboardShader.AddDescriptorSetLayoutBinding(UniformBuffer::DESCRIPTOR_SET_LAYOUT_BINDING);
m_quadBillboardShader.topology = Topology::POINT_LIST;
m_shader.AddShaderProgram(OpenVulkano::ShaderProgramType::VERTEX, "Shader/billboard");
m_shader.AddShaderProgram(OpenVulkano::ShaderProgramType::FRAGMENT, "Shader/basic");
m_shader.AddVertexInputDescription(OpenVulkano::Vertex::GetVertexInputDescription());
m_shader.AddDescriptorSetLayoutBinding(Texture::DESCRIPTOR_SET_LAYOUT_BINDING);
m_shader.AddDescriptorSetLayoutBinding(UniformBuffer::DESCRIPTOR_SET_LAYOUT_BINDING);
m_shader.cullMode = CullMode::NONE;
constexpr int quadsCnt = 7;
constexpr int otherCnt = 2;
constexpr int cntDrawables = quadsCnt + otherCnt;
m_bbContolBlock.quadSize = { 100.f, 100.f };
m_bbContolBlock.isFixedSize = false;
m_uniBuffer.Init(sizeof(BillboardControlBlock), &m_bbContolBlock);
m_uniBuffer.setId = 3;
m_drawablesPool.resize(cntDrawables);
m_nodesPool.resize(cntDrawables);
m_geo.reserve(cntDrawables);
m_texturedMat.texture = &Texture::PLACEHOLDER;
for (uint32_t i = 0; i < cntDrawables; i++)
{
Geometry* geo = nullptr;
m_nodesPool[i].Init();
if (i < quadsCnt)
{
geo = new Geometry();
geo->Init(1, 0);
geo->vertices[0].position = glm::vec3(1 + i, i, 0);
if (i >= 1 && i <= 3)
geo->vertices[0].color = glm::vec4(1, 1, 1, 1);
else
geo->vertices[0].color = glm::vec4(1, 0, 0, 1);
m_nodesPool[i].SetMatrix(Math::Utils::translate(glm::mat4x4(1.f), Vector3f(-5 + std::rand() % 5, -5 + std::rand() % 5, std::rand() % 5)));
m_drawablesPool[i].Init(&m_quadBillboardShader, geo, &m_texturedMat, &m_uniBuffer);
}
else
{
geo = GeometryFactory::MakePyramid(1, 1, glm::vec4(0, 1, 0, 1));
m_nodesPool[i].SetMatrix(Math::Utils::translate(glm::mat4x4(1.f), Vector3f(-5 + std::rand() % 5, -5 + std::rand() % 5, -std::rand() % 10)));
m_drawablesPool[i].Init(&m_shader, geo, &m_mat, &m_uniBuffer);
}
m_geo.push_back(geo);
m_scene.GetRoot()->AddChild(&m_nodesPool[i]);
m_nodesPool[i].AddDrawable(&m_drawablesPool[i]);
}
GetGraphicsAppManager()->GetRenderer()->SetScene(&m_scene);
m_camController.Init(&m_cam);
m_camController.SetDefaultKeybindings();
m_camController.SetPosition({ 0, 0, 5 });
m_camController.SetBoostFactor(5);
std::shared_ptr<OpenVulkano::Scene::UI::PerformanceInfo> m_perfInfo =
std::make_shared<OpenVulkano::Scene::UI::PerformanceInfo>();
m_ui.AddElement(m_perfInfo);
GetGraphicsAppManager()->GetRenderer()->SetActiveUi(&m_ui);
}
void Tick() override
{
m_camController.Tick();
}
void Close() override
{
for (Geometry* g: m_geo)
{
delete g;
}
}
private:
OpenVulkano::Scene::Scene m_scene;
BillboardControlBlock m_bbContolBlock;
PerspectiveCamera m_cam;
UniformBuffer m_uniBuffer;
OpenVulkano::FreeCamCameraController m_camController;
Material m_mat;
Material m_texturedMat;
Shader m_shader;
Shader m_quadBillboardShader;
std::vector<SimpleDrawable> m_drawablesPool;
std::vector<Node> m_nodesPool;
Vector3f_SIMD m_position = { 0, 0, -10 };
OpenVulkano::Scene::UI::SimpleUi m_ui;
std::vector<Geometry*> m_geo;
std::shared_ptr<OpenVulkano::Scene::UI::PerformanceInfo> m_perfInfo;
};
IGraphicsApp* BillboardExampleApp::Create() { return new BillboardExampleAppImpl(); }
std::unique_ptr<IGraphicsApp> BillboardExampleApp::CreateUnique()
{
return std::make_unique<BillboardExampleAppImpl>();
}
}
#pragma clang diagnostic pop
#pragma clang diagnostic pop

27
examples/ExampleApps/BillboardExampleApp.hpp Normal file
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@@ -0,0 +1,27 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include "Base/IGraphicsApp.hpp"
#include <memory>
namespace OpenVulkano
{
class BillboardExampleApp : public IGraphicsApp
{
public:
static IGraphicsApp* Create();
static std::unique_ptr<IGraphicsApp> CreateUnique();
[[nodiscard]] std::string GetAppName() const final
{ return "Billboard ExampleApp"; }
[[nodiscard]] OpenVulkano::Version GetAppVersion() const final
{ return {"v1.0"}; }
};
}

3
examples/main.cpp
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@@ -8,6 +8,7 @@
#include "ExampleApps/CubesExampleApp.hpp"
#include "ExampleApps/MovingCubeApp.hpp"
#include "ExampleApps/TexturedCubeExampleApp.hpp"
#include "ExampleApps/BillboardExampleApp.hpp"
#include <ftxui/component/captured_mouse.hpp>
#include <ftxui/component/component.hpp>
@@ -25,6 +26,7 @@ int main(int argc, char** argv)
"Cubes Example App",
"Moving Cube Example App",
"Textured Cube Example App",
"Billboard Example App"
};
int selectedExample = 0;
@@ -41,6 +43,7 @@ int main(int argc, char** argv)
case 0: app = CubesExampleApp::CreateUnique(); break;
case 1: app = MovingCubeApp::CreateUnique(); break;
case 2: app = TexturedCubeExampleApp::CreateUnique(); break;
case 3: app = BillboardExampleApp::CreateUnique(); break;
default: throw std::runtime_error("Invalid menu selection!"); break;
}

1
openVulkanoCpp/Base/IGraphicsAppManager.hpp
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@@ -16,6 +16,7 @@ namespace OpenVulkano
virtual RenderAPI::RenderApi GetRenderApi() const = 0;
virtual IGraphicsApp* GetGraphicsApp() const = 0;
virtual IRenderer* GetRenderer() const = 0;
virtual IWindow* GetWindow() const = 0;
virtual bool IsRunning() const = 0;
virtual bool IsPaused() const = 0;
virtual void Stop() = 0;

5
openVulkanoCpp/Base/Utils.cpp
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@@ -61,7 +61,7 @@ namespace OpenVulkano
#endif
}
Array<char> Utils::ReadFile(const std::string& filePath, bool emptyOnMissing)
Array<char> Utils::ReadFile(const std::string& filePath, bool emptyOnMissing, bool nullTerminateString)
{
std::ifstream file(filePath, std::ios::ate | std::ios::binary);
if (!file.is_open())
@@ -70,9 +70,10 @@ namespace OpenVulkano
throw std::runtime_error("Failed to open file '" + filePath + "'!");
}
const size_t fileSize = static_cast<size_t>(file.tellg());
Array<char> data(fileSize);
Array<char> data(fileSize + nullTerminateString);
file.seekg(0);
file.read(data.Data(), fileSize);
if (nullTerminateString) data[fileSize] = '\0';
file.close();
return data;
}

3
openVulkanoCpp/Base/Utils.hpp
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@@ -159,7 +159,8 @@ namespace OpenVulkano
return subs;
}
static Array<char> ReadFile(const std::string& filePath, bool emptyOnMissing = false);
static Array<char> ReadFile(const std::string& filePath, bool emptyOnMissing = false,
bool nullTerminateString = false);
template<class T>
static int GetUniqueTypeId()

3
openVulkanoCpp/Controller/FreeCamCameraController.cpp
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@@ -32,8 +32,7 @@ namespace OpenVulkano
vec = Math::Utils::normalize(vec);
}
float timeScale = CURRENT_FRAME.frameTime; //TODO
float timeScale = 5 * CURRENT_FRAME.frameTime; //TODO
vec = vec * timeScale * 3.0f; // scale vector
if (input->GetButton(m_actionBoost))
{

2
openVulkanoCpp/Controller/FreeCamCameraController.hpp
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@@ -18,7 +18,7 @@ namespace OpenVulkano
class FreeCamCameraController final : public CameraController
{
float m_yaw = 0, m_pitch = 0, m_boostFactor = 2;
float m_yaw = 0, m_pitch = 0, m_boostFactor = 1.5;
Math::Vector3f_SIMD m_position = { 0, 0, 0 };
Input::InputAction* m_actionForward;

2
openVulkanoCpp/Host/GLFW/InputMappingGLFW.hpp
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@@ -48,7 +48,7 @@ namespace OpenVulkano::GLFW
{
remappedKey = i - 320;
}
else if (i >= GLFW_KEY_NUM_LOCK)
else if (i == GLFW_KEY_NUM_LOCK)
{
remappedKey = 17;
}

2
openVulkanoCpp/Host/GraphicsAppManager.hpp
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@@ -50,6 +50,8 @@ namespace OpenVulkano
[[nodiscard]] IRenderer* GetRenderer() const override { return renderer.get(); }
[[nodiscard]] IWindow* GetWindow() const override { return window; }
[[nodiscard]] bool IsRunning() const override { return running; }
[[nodiscard]] bool IsPaused() const override { return paused; }

28
openVulkanoCpp/Image/Image.hpp Normal file
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@@ -0,0 +1,28 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include "Data/Containers/Array.hpp"
#include "Math/Math.hpp"
#include "Scene/DataFormat.hpp"
namespace OpenVulkano::Image
{
enum class ImageFileType
{
JPEG,
PNG,
BMP,
};
struct Image
{
Math::Vector3ui resolution;
DataFormat dataFormat;
Array<uint8_t> data;
};
}

24
openVulkanoCpp/Image/ImageLoader.hpp Normal file
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@@ -0,0 +1,24 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include "Image.hpp"
#include <string>
#include <vector>
#include <memory>
namespace OpenVulkano::Image
{
class IImageLoader
{
public:
virtual ~IImageLoader() = default;
virtual std::unique_ptr<Image> loadFromFile(const std::string& filePath) = 0;
virtual std::unique_ptr<Image> loadFromMemory(const std::vector<uint8_t>& buffer) = 0;
};
}

72
openVulkanoCpp/Image/ImageLoaderJpeg.cpp Normal file
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@@ -0,0 +1,72 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "ImageLoaderJpeg.hpp"
#include <Data/Containers/Array.hpp>
#include <fstream>
#include <cstring>
#if __has_include("turbojpeg.h")
#include <turbojpeg.h>
#else
#define STB_IMAGE_IMPLEMENTATION
#include <stb_image.h>
#endif
namespace OpenVulkano::Image
{
std::unique_ptr<Image> ImageLoaderJpeg::loadFromFile(const std::string& filePath)
{
std::ifstream file(filePath, std::ios::binary);
if (!file) { throw std::runtime_error("Could not open file: " + filePath); }
std::vector<uint8_t> buffer((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
return loadJpeg(buffer.data(), buffer.size());
}
std::unique_ptr<Image> ImageLoaderJpeg::loadFromMemory(const std::vector<uint8_t>& buffer)
{
return loadJpeg(buffer.data(), buffer.size());
}
std::unique_ptr<Image> ImageLoaderJpeg::loadJpeg(const uint8_t* data, size_t size)
{
Image result;
int rows, cols;
#if __has_include("turbojpeg.h")
{
unsigned char* compressedImage = const_cast<uint8_t*>(data);
int jpegSubsamp;
tjhandle jpegDecompressor = tjInitDecompress();
tjDecompressHeader2(jpegDecompressor, compressedImage, size, &cols, &rows, &jpegSubsamp);
const int channels = 4;
result.data = OpenVulkano::Array<uint8_t>(cols * rows * channels);
result.dataFormat = OpenVulkano::DataFormat::R8G8B8A8_UINT;
tjDecompress2(jpegDecompressor, compressedImage, size, result.data.Data(), cols, 0 /*pitch*/, rows,
TJPF_RGBA, TJFLAG_FASTDCT);
tjDestroy(jpegDecompressor);
}
#else
{
int channels;
uint8_t* pixelData = stbi_load_from_memory(data, size, &cols, &rows, &channels, 3);
result.data = OpenVulkano::Array<uint8_t>(cols * rows * channels);
result.dataFormat = channels == 3 ? OpenVulkano::DataFormat::R8G8B8_UINT :
OpenVulkano::DataFormat::R8G8B8A8_UINT;
std::memcpy(result.data.Data(), pixelData, result.data.Size());
stbi_image_free(pixelData);
}
#endif
result.resolution.x = cols;
result.resolution.y = rows;
result.resolution.z = 1;
return std::make_unique<Image>(std::move(result));
}
}

22
openVulkanoCpp/Image/ImageLoaderJpeg.hpp Normal file
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@@ -0,0 +1,22 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include "ImageLoader.hpp"
namespace OpenVulkano::Image
{
class ImageLoaderJpeg : public IImageLoader
{
public:
std::unique_ptr<Image> loadFromFile(const std::string& filePath) override;
std::unique_ptr<Image> loadFromMemory(const std::vector<uint8_t>& buffer) override;
private:
std::unique_ptr<Image> loadJpeg(const uint8_t* data, size_t size);
};
}

4
openVulkanoCpp/Input/InputManager.cpp
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@@ -69,7 +69,7 @@ namespace OpenVulkano::Input
for (const KeyBinding binding : action->GetKeys())
{
if (binding.key.GetInputDeviceType() != device->GetType()) continue;
if (device->GetButton(binding.key)) return true;
return device->GetButton(binding.key);
}
}
return false;
@@ -80,7 +80,7 @@ namespace OpenVulkano::Input
for(const InputDevice* device : devices)
{
if (key.GetInputDeviceType() != device->GetType()) continue;
if (device->GetButton(key)) return true;
return device->GetButton(key);
}
return false;
}

8
openVulkanoCpp/Scene/SimpleDrawable.cpp
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@@ -9,19 +9,21 @@
namespace OpenVulkano::Scene
{
void SimpleDrawable::Init(Shader* shader, Geometry* mesh, Material* material)
void SimpleDrawable::Init(Shader* shader, Geometry* mesh, Material* material, UniformBuffer* uniBuffer)
{
if (m_mesh || m_material) throw std::runtime_error("Drawable is already initialized.");
if (m_mesh || m_material || m_uniBuffer) throw std::runtime_error("Drawable is already initialized.");
m_mesh = mesh;
m_material = material;
m_uniBuffer = uniBuffer;
SetShader(shader);
}
void SimpleDrawable::Init(SimpleDrawable* drawable)
{
if (m_mesh || m_material) throw std::runtime_error("Drawable is already initialized.");
if (m_mesh || m_material || m_uniBuffer) throw std::runtime_error("Drawable is already initialized.");
m_mesh = drawable->m_mesh;
m_material = drawable->m_material;
m_uniBuffer = drawable->m_uniBuffer;
SetShader(drawable->GetShader());
}
}

10
openVulkanoCpp/Scene/SimpleDrawable.hpp
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@@ -12,20 +12,22 @@ namespace OpenVulkano::Scene
{
class Geometry;
class Material;
class UniformBuffer;
class SimpleDrawable final : public Drawable
{
Geometry* m_mesh = nullptr;
Material* m_material = nullptr;
UniformBuffer* m_uniBuffer = nullptr;
public:
SimpleDrawable() : Drawable(DrawEncoder::GetDrawEncoder<SimpleDrawable>())
{}
SimpleDrawable() : Drawable(DrawEncoder::GetDrawEncoder<SimpleDrawable>()) {}
explicit SimpleDrawable(const SimpleDrawable* toCopy)
: Drawable(DrawEncoder::GetDrawEncoder<SimpleDrawable>())
, m_mesh(toCopy->m_mesh)
, m_material(toCopy->m_material)
, m_uniBuffer(toCopy->m_uniBuffer)
{
SetShader(toCopy->GetShader());
}
@@ -35,12 +37,14 @@ namespace OpenVulkano::Scene
//if (m_mesh) SimpleDrawable::Close();
}
void Init(Shader* shader, Geometry* mesh, Material* material);
void Init(Shader* shader, Geometry* mesh, Material* material, UniformBuffer* uniBuffer = nullptr);
void Init(SimpleDrawable* drawable);
[[nodiscard]] Geometry* GetMesh() const { return m_mesh; }
[[nodiscard]] Material* GetMaterial() const { return m_material; }
[[nodiscard]] UniformBuffer* GetBuffer() const { return m_uniBuffer; }
};
}

5
openVulkanoCpp/Scene/UniformBuffer.hpp
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@@ -16,18 +16,19 @@ namespace OpenVulkano::Scene
static constexpr inline DescriptorSetLayoutBinding DESCRIPTOR_SET_LAYOUT_BINDING = { 0, DescriptorSetLayoutBinding::Type::TYPE_UNIFORM_BUFFER, 1, ShaderProgramType::ALL_GRAPHICS };
DescriptorSetLayoutBinding binding;
uint32_t setId = 2;
uint32_t setId;
ICloseable* renderBuffer = nullptr;
size_t size = 0;
const void* data = nullptr;
UpdateFrequency updateFrequency = UpdateFrequency::Never;
bool updated = true;
void Init(size_t size, const void* data, const DescriptorSetLayoutBinding& binding = DESCRIPTOR_SET_LAYOUT_BINDING)
void Init(size_t size, const void* data, uint32_t setId = 2, const DescriptorSetLayoutBinding& binding = DESCRIPTOR_SET_LAYOUT_BINDING)
{
this->size = size;
this->data = data;
this->binding = binding;
this->setId = setId;
}
UpdateFrequency GetUpdateFrequency() const { return updateFrequency; }

131
openVulkanoCpp/Shader/ShaderCompiler.cpp Normal file
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@@ -0,0 +1,131 @@
#if defined(HAS_SHADERC)
#include "ShaderCompiler.hpp"
#include "Base/Logger.hpp"
#include <shaderc/shaderc.hpp>
#include <map>
#include <filesystem>
namespace OpenVulkano
{
class ShaderIncluder : public shaderc::CompileOptions::IncluderInterface
{
struct IncludeData
{
shaderc_include_result result = {};
std::string m_fullPath;
Array<char> m_content;
};
public:
ShaderIncluder(const std::string& path);
~ShaderIncluder() override = default;
shaderc_include_result* GetInclude(const char* requestedSource, shaderc_include_type type,
const char* requestingSource, uint64_t includeDepth) override;
void ReleaseInclude(shaderc_include_result* data) override;
private:
std::string ResolveInclude(const std::string& requestedSource) const;
private:
std::string m_includePath;
};
shaderc_shader_kind CheckStage(const std::string& extensionName)
{
static std::map<std::string, shaderc_shader_kind> stageMap = {
{ "vert", shaderc_glsl_vertex_shader }, { "frag", shaderc_glsl_fragment_shader },
{ "comp", shaderc_glsl_compute_shader }, { "geom", shaderc_glsl_geometry_shader },
{ "tesc", shaderc_glsl_tess_control_shader }, { "tese", shaderc_glsl_tess_evaluation_shader },
{ "rgen", shaderc_glsl_raygen_shader }, { "rint", shaderc_glsl_intersection_shader },
{ "rahit", shaderc_glsl_anyhit_shader }, { "rchit", shaderc_glsl_closesthit_shader },
{ "rmiss", shaderc_glsl_miss_shader }, { "rcall", shaderc_glsl_callable_shader },
{ "task", shaderc_glsl_task_shader }, { "mesh", shaderc_glsl_mesh_shader }
};
auto it = stageMap.find(extensionName);
if (it != stageMap.end()) return it->second;
else throw std::runtime_error("Failed to find shader stage for extension '" + extensionName + "'!");
}
Array<uint32_t> ShaderCompiler::CompileGLSLToSpirv(const std::string& absPath, bool hasIncludes,
const std::string& incPath, const std::string& entryPoint)
{
Array<char> file = Utils::ReadFile(absPath, false, true);
shaderc::Compiler shaderCompiler;
shaderc::CompileOptions options;
if (hasIncludes && incPath.size() > 0) { options.SetIncluder(std::make_unique<ShaderIncluder>(incPath)); }
options.SetSourceLanguage(shaderc_source_language_glsl);
options.SetSuppressWarnings();
auto extensionSplit = Utils::SplitAtLastOccurrence(absPath, '.');
shaderc::PreprocessedSourceCompilationResult preResult =
shaderCompiler.PreprocessGlsl(file.Data(), CheckStage(extensionSplit.second), entryPoint.c_str(), options);
#if defined(_DEBUG)
std::string test = static_cast<const char*>(preResult.begin(), preResult.end());
// printf("Preprocessed shader: %s\n\n\n", test.c_str()); // Works fine
// Logger::APP->info("Preprocessed shader: {0}", test); gives error
#endif
if (preResult.GetCompilationStatus() != shaderc_compilation_status_success)
{
throw std::runtime_error("Failed preprocessing shader. Reason: " + preResult.GetErrorMessage());
}
shaderc::CompilationResult<uint32_t> result = shaderCompiler.CompileGlslToSpv(
static_cast<const char*>(preResult.begin()), CheckStage(extensionSplit.second), "", options);
if (result.GetCompilationStatus() != shaderc_compilation_status_success)
{
throw std::runtime_error("Failed compiling shader. Reason: " + result.GetErrorMessage());
}
Array<uint32_t> returnResult(result.cend() - result.cbegin());
// Copy the data to the return array
std::copy(result.begin(), result.end(), returnResult.Data());
return returnResult;
}
ShaderIncluder::ShaderIncluder(const std::string& path) : m_includePath(path) {}
shaderc_include_result* ShaderIncluder::GetInclude(const char* requestedSource, shaderc_include_type type,
const char* requestingSource, uint64_t includeDepth)
{
IncludeData* includeData = new IncludeData();
includeData->m_fullPath = ResolveInclude(requestedSource);
// Do not null terminate the string
includeData->m_content = Utils::ReadFile(includeData->m_fullPath, false, false);
shaderc_include_result* result = &includeData->result;
result->content = includeData->m_content.Data();
result->content_length = includeData->m_content.Size();
result->source_name = includeData->m_fullPath.data();
result->source_name_length = includeData->m_fullPath.size();
result->user_data = includeData;
return result;
}
void ShaderIncluder::ReleaseInclude(shaderc_include_result* data)
{
delete static_cast<IncludeData*>(data->user_data);
}
std::string ShaderIncluder::ResolveInclude(const std::string& requestedSource) const
{
// Check if the file exists in the include path
std::string path = m_includePath + requestedSource;
if (std::filesystem::exists(path)) return path;
else throw std::runtime_error("Failed to resolve include '" + requestedSource + "'!");
}
}
#endif

25
openVulkanoCpp/Shader/ShaderCompiler.hpp Normal file
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@@ -0,0 +1,25 @@
#pragma once
#include "Base/Utils.hpp"
#include "Base/Wrapper.hpp"
namespace OpenVulkano
{
class ShaderCompiler
{
public:
/**
* @param absPath - absolute path of the shader that needs to be compiled
* @param incPath - include path that will be used to resolve includes
* @param entryPoint - the name of the void function in the shader
* @param shaderStage - type of the shader that needs to be compiled
*/
static Array<uint32_t> CompileGLSLToSpirv(const std::string& absPath, bool hasIncludes,
const std::string& incPath = std::string(), const std::string& entryPoint = "main")
#if defined(HAS_SHADERC)
;
#else
{ throw std::runtime_error("Shader compiler is not available on this platform"); }
#endif
};
}

1
openVulkanoCpp/Shader/basicTexture.frag
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@@ -3,6 +3,7 @@
layout(location = 0) in vec4 color;
layout(location = 1) in vec2 texCoord;
layout(location = 0) out vec4 outColor;
layout(set = 2, binding = 0) uniform sampler2D texSampler;
void main()

58
openVulkanoCpp/Shader/billboard.vert Normal file
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@@ -0,0 +1,58 @@
#version 450
#extension GL_ARB_separate_shader_objects : enable
layout(location = 0) in vec3 pos;
layout(location = 4) in vec3 textureCoordinates;
layout(location = 5) in vec4 color;
layout(location = 0) out vec4 outColor;
layout(location = 1) out vec2 outTexture;
layout(set = 0, binding = 0) uniform NodeData
{
mat4 world;
} node;
layout(set = 1, binding = 0) uniform CameraData
{
mat4 viewProjection;
mat4 view;
mat4 projection;
vec4 camPos;
} cam;
layout(set = 3, binding = 0) uniform BillboardData
{
vec2 size;
bool isFixedSize;
} billboardInfo;
void main() {
if (!billboardInfo.isFixedSize)
{
mat4 mv = cam.view * node.world;
mv[0][0] = 1;
mv[0][1] = 0;
mv[0][2] = 0;
mv[1][0] = 0;
mv[1][1] = 1;
mv[1][2] = 0;
mv[2][0] = 0;
mv[2][1] = 0;
mv[2][2] = 1;
gl_Position = cam.projection * mv * vec4(pos, 1);
}
else
{
vec4 billboardPos = vec4(0.5, 0.5, 0.5, 1);
vec4 viewPos = cam.view * node.world * billboardPos;
float dist = -viewPos.z;
gl_Position = cam.projection * (viewPos + vec4(pos.xy*dist*0.2,0,0));
}
outColor = color;
outTexture = textureCoordinates.xy;
}

96
openVulkanoCpp/Shader/billboardFromSinglePoint.geom Normal file
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@@ -0,0 +1,96 @@
#version 450
layout(points) in;
layout(triangle_strip, max_vertices = 4) out;
layout(set = 0, binding = 0) uniform NodeData
{
mat4 world;
} node;
layout(set = 1, binding = 0) uniform CameraData
{
mat4 viewProjection;
mat4 view;
mat4 projection;
vec4 camPos;
float nearPlane;
float farPlane;
float width;
float height;
float fov;
float aspect;
float scaleFactor;
float pixelScaleFactor;
} cam;
layout(set = 3, binding = 0) uniform BillboardData
{
vec2 size;
bool isFixedSize;
} billboardInfo;
layout(location = 0) out vec4 color;
layout(location = 1) out vec2 tex;
layout(location = 0) in VS_OUT {
vec4 color;
} gs_in[];
void main() {
// The desired point for the billboard
vec3 pos = gl_in[0].gl_Position.xyz;
if(!billboardInfo.isFixedSize)
{
vec3 cameraRight = normalize(vec3(cam.view[0][0], cam.view[1][0], cam.view[2][0]));
vec3 cameraUp = normalize(vec3(cam.view[0][1], cam.view[1][1], cam.view[2][1]));
const vec2 offsets[4] = {
vec2(0.5, -0.5),
vec2(0.5, 0.5),
vec2(-0.5, -0.5),
vec2(-0.5, 0.5)
};
const vec2 texCoords[4] = {
vec2(1, 0),
vec2(1, 1),
vec2(0, 0),
vec2(0, 1)
};
for (int i = 0; i < 4; i++)
{
vec2 scaledSize = billboardInfo.size / length(billboardInfo.size);
gl_Position = cam.viewProjection * vec4(pos + cameraRight * offsets[i].x * scaledSize.x + cameraUp * offsets[i].y * scaledSize.y, 1.0);
color = gs_in[0].color;
tex = texCoords[i].xy;
EmitVertex();
}
EndPrimitive();
}
else
{
const vec2 offsets[4] = {
vec2(-0.5, -0.5),
vec2(-0.5, 0.5),
vec2(0.5, -0.5),
vec2(0.5, 0.5)
};
const vec2 texCoords[4] = {
vec2(0, 0),
vec2(0, 1),
vec2(1, 0),
vec2(1, 1)
};
for (int i = 0; i < 4; i++)
{
gl_Position = cam.viewProjection * vec4(pos, 1);
gl_Position /= gl_Position.w;
gl_Position.xy += offsets[i] * vec2(billboardInfo.size.x/cam.width, billboardInfo.size.x/cam.height);
color = gs_in[0].color;
tex = texCoords[i].xy;
EmitVertex();
}
EndPrimitive();
}
}

21
openVulkanoCpp/Shader/billboardFromSinglePoint.vert Normal file
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@@ -0,0 +1,21 @@
#version 450
#extension GL_ARB_separate_shader_objects : enable
layout(location = 0) in vec3 pos;
layout(location = 5) in vec4 color;
layout(location = 0) out VS_OUT {
vec4 color;
} vs_out;
layout(set = 0, binding = 0) uniform NodeData
{
mat4 world;
} node;
void main() {
// single point
gl_Position = node.world * vec4(pos, 1);
vs_out.color = color;
}

14
openVulkanoCpp/Vulkan/Scene/SimpleDrawableVulkanEncoder.cpp
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@@ -6,9 +6,11 @@
#include "Scene/SimpleDrawable.hpp"
#include "Scene/Material.hpp"
#include "Scene/UniformBuffer.hpp"
#include "VulkanGeometry.hpp"
#include "VulkanNode.hpp"
#include "Vulkan/VulkanDrawContext.hpp"
#include "Vulkan/Scene/VulkanUniformBuffer.hpp"
#include "VulkanTexture.hpp"
using namespace OpenVulkano::Scene;
@@ -22,6 +24,18 @@ namespace OpenVulkano::Vulkan
VulkanGeometry* renderGeo = static_cast<VulkanGeometry*>(mesh->renderGeo);
if (!renderGeo) renderGeo = drawContext->renderer->GetResourceManager().PrepareGeometry(mesh);
renderGeo->RecordBind(drawContext->commandBuffer);
if (drawable->GetBuffer())
{
VulkanUniformBuffer* vkBuffer = static_cast<VulkanUniformBuffer*>(drawable->GetBuffer()->renderBuffer);
if (!vkBuffer)
{
vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(drawable->GetBuffer());
}
vkBuffer->Record(drawContext);
}
if (Material* material = drawable->GetMaterial())
{
if (Texture* texture = material->texture)

3
openVulkanoCpp/Vulkan/Scene/VulkanGeometry.hpp
View File

@@ -52,7 +52,8 @@ namespace OpenVulkano::Vulkan
void RecordDraw(vk::CommandBuffer& cmdBuffer)
{
cmdBuffer.drawIndexed(m_geometry->GetIndexCount(), 1, 0, 0, 0);
if (m_geometry->GetIndexCount()) { cmdBuffer.drawIndexed(m_geometry->GetIndexCount(), 1, 0, 0, 0); }
else { cmdBuffer.draw(m_geometry->GetVertexCount(), 1, 0, 0); }
}
void Close() override