ULRE/example/Vulkan/VulkanAppFramework.h

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#pragma once
#include<hgl/platform/Window.h>
#include<hgl/graph/vulkan/VKInstance.h>
#include<hgl/graph/vulkan/VKPhysicalDevice.h>
#include<hgl/graph/vulkan/VKDevice.h>
#include<hgl/graph/vulkan/VKBuffer.h>
#include<hgl/graph/vulkan/VKShaderModule.h>
#include<hgl/graph/vulkan/VKShaderModuleManage.h>
#include<hgl/graph/vulkan/VKImageView.h>
#include<hgl/graph/vulkan/VKRenderable.h>
#include<hgl/graph/vulkan/VKDescriptorSets.h>
#include<hgl/graph/vulkan/VKRenderPass.h>
#include<hgl/graph/vulkan/VKPipeline.h>
#include<hgl/graph/vulkan/VKCommandBuffer.h>
#include<hgl/graph/vulkan/VKFormat.h>
#include<hgl/graph/vulkan/VKFramebuffer.h>
#include<hgl/graph/vulkan/VKMaterial.h>
#include<hgl/graph/SceneDB.h>
#include<hgl/graph/RenderList.h>
using namespace hgl;
using namespace hgl::graph;
class VulkanApplicationFramework
{
private:
Window * win =nullptr;
vulkan::Instance * inst =nullptr;
void OnResize(int w,int h)
{
InitCommandBuffer();
Resize(w,h);
}
void OnKeyDown(KeyboardButton kb){key_status[kb]=true;}
void OnKeyUp(KeyboardButton kb){key_status[kb]=false;}
void OnKeyPress(KeyboardButton kb){KeyPress(kb);}
protected:
vulkan::Device * device =nullptr;
vulkan::ShaderModuleManage *shader_manage =nullptr;
private:
uint32_t swap_chain_count=0;
vulkan::CommandBuffer ** cmd_buf =nullptr;
protected:
SceneDB * db =nullptr;
bool key_status[kbRangeSize];
public:
virtual ~VulkanApplicationFramework()
{
SAFE_CLEAR(db);
SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
SAFE_CLEAR(shader_manage);
SAFE_CLEAR(win); //win中会删除device所以必须放在instance前删除
SAFE_CLEAR(inst);
}
virtual bool Init(int w,int h)
{
hgl_zero(key_status);
#ifdef _DEBUG
if(!vulkan::CheckStrideBytesByFormat())
return(false);
#endif//
InitNativeWindowSystem();
win=CreateRenderWindow(OS_TEXT("VulkanTest"));
if(!win)
return(false);
if(!win->Create(w,h))
return(false);
inst=vulkan::CreateInstance(U8_TEXT("VulkanTest"));
if(!inst)
return(false);
device=win->CreateRenderDevice(inst);
if(!device)
return(false);
shader_manage=device->CreateShaderModuleManage();
db=new SceneDB(device);
InitCommandBuffer();
SetEventCall(win->OnResize, this,VulkanApplicationFramework,OnResize );
SetEventCall(win->OnKeyDown, this,VulkanApplicationFramework,OnKeyDown );
SetEventCall(win->OnKeyUp, this,VulkanApplicationFramework,OnKeyUp );
SetEventCall(win->OnKeyPress, this,VulkanApplicationFramework,OnKeyPress );
return(true);
}
virtual void Resize(int,int)=0;
virtual void KeyPress(KeyboardButton){}
void InitCommandBuffer()
{
if(cmd_buf)
{
for(uint i=0;i<swap_chain_count;i++)
delete cmd_buf[i];
delete[] cmd_buf;
}
swap_chain_count=device->GetSwapChainImageCount();
{
cmd_buf=hgl_zero_new<vulkan::CommandBuffer *>(swap_chain_count);
for(uint i=0;i<swap_chain_count;i++)
cmd_buf[i]=device->CreateCommandBuffer();
}
}
void BuildCommandBuffer(vulkan::Pipeline *p,vulkan::DescriptorSets *ds,vulkan::Renderable *r)
{
if(!p||!ds||!r)
return;
const vulkan::IndexBuffer *ib=r->GetIndexBuffer();
for(uint i=0;i<swap_chain_count;i++)
{
cmd_buf[i]->Begin();
cmd_buf[i]->BeginRenderPass(device->GetRenderPass(),device->GetFramebuffer(i));
cmd_buf[i]->Bind(p);
cmd_buf[i]->Bind(ds);
cmd_buf[i]->Bind(r);
if (ib)
cmd_buf[i]->DrawIndexed(ib->GetCount());
else
cmd_buf[i]->Draw(r->GetDrawCount());
cmd_buf[i]->EndRenderPass();
cmd_buf[i]->End();
}
}
void BuildCommandBuffer(RenderList *rl)
{
if(!rl)return;
for(uint i=0;i<swap_chain_count;i++)
{
cmd_buf[i]->Begin();
cmd_buf[i]->BeginRenderPass(device->GetRenderPass(),device->GetFramebuffer(i));
rl->Render(cmd_buf[i]);
cmd_buf[i]->EndRenderPass();
cmd_buf[i]->End();
}
}
private:
void AcquireNextFrame()
{
device->AcquireNextImage();
}
void Submit(const VkCommandBuffer cmd_buf)
{
device->SubmitDraw(&cmd_buf);
device->Wait();
device->QueuePresent();
}
public:
virtual void Draw()
{
const vulkan::CommandBuffer *cb=cmd_buf[device->GetCurrentFrameIndices()];
Submit(*cb);
}
bool Run()
{
if(!win->Update())return(false);
if(win->IsVisible())
{
AcquireNextFrame();
Draw();
}
return(true);
}
};//class VulkanApplicationFramework
class WalkerCameraAppFramework:public VulkanApplicationFramework
{
private:
vulkan::Buffer * ubo_world_matrix =nullptr;
protected:
WalkerCamera camera;
float move_speed=1;
public:
virtual ~WalkerCameraAppFramework()=default;
virtual bool Init(int w,int h)
{
if(!VulkanApplicationFramework::Init(w,h))
return(false);
InitCamera();
return(true);
}
virtual void InitCamera()
{
camera.type=CameraType::Perspective;
camera.center.Set(0,0,0,1);
camera.eye.Set(100,100,100,1);
camera.Refresh(); //更新矩阵计算
}
bool InitCameraUBO(vulkan::DescriptorSets *desc_set,uint world_matrix_bindpoint)
{
InitCamera();
const VkExtent2D extent=device->GetExtent();
camera.width=extent.width;
camera.height=extent.height;
ubo_world_matrix=db->CreateUBO(sizeof(WorldMatrix),&camera.matrix);
if(!ubo_world_matrix)
return(false);
return desc_set->BindUBO(world_matrix_bindpoint,*ubo_world_matrix);
}
void RefreshCameraUBO()
{
camera.Refresh(); //更新相机矩阵
ubo_world_matrix->Write(&camera.matrix); //写入缓冲区
}
void Draw()override
{
VulkanApplicationFramework::Draw();
if(key_status[kbW])camera.Forward (move_speed);else
if(key_status[kbS])camera.Backward (move_speed);else
if(key_status[kbA])camera.Left (move_speed);else
if(key_status[kbD])camera.Right (move_speed);else
if(key_status[kbLeft ])camera.WrapLeftRotate (move_speed);else
if(key_status[kbRight ])camera.WrapRightRotate(move_speed);else
if(key_status[kbUp ])camera.WrapUpRotate (move_speed);else
if(key_status[kbDown ])camera.WrapDownRotate (move_speed);else
if(key_status[kbHome ])camera.ForwardRotate (move_speed);else
if(key_status[kbEnd ])camera.BackwardRotate (move_speed);else
if(key_status[kbDelete ])camera.LeftRotate (move_speed);else
if(key_status[kbPageDown])camera.RightRotate (move_speed);else
return;
RefreshCameraUBO();
}
void KeyPress(KeyboardButton kb)override
{
if(kb==kbMinus)move_speed*=0.9f;else
if(kb==kbEquals)move_speed*=1.1f;else
return;
RefreshCameraUBO();
}
};//class WalkerCameraAppFramework