add 2d AA Line examples
This commit is contained in:
172
example/common/ViewModelFramework.h
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172
example/common/ViewModelFramework.h
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#pragma once
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#include"VulkanAppFramework.h"
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using namespace hgl;
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using namespace hgl::graph;
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class ViewModelFramework:public VulkanApplicationFramework
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{
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private:
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vulkan::Buffer * ubo_world_matrix =nullptr;
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protected:
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AABB bounding_box;
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Matrix4f object_matrix,origin_matrix;
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ControlCamera camera,origin_camera;
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float move_speed=1;
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Vector2f mouse_last_pos;
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protected:
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SceneNode render_root;
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RenderList render_list;
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public:
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virtual ~ViewModelFramework()=default;
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virtual bool Init(int w,int h,const AABB &aabb)
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{
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if(!VulkanApplicationFramework::Init(w,h))
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return(false);
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bounding_box=aabb;
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InitCamera(w,h);
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return(true);
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}
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virtual void InitCamera(int w,int h)
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{
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math::vec center_point =bounding_box.CenterPoint();
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math::vec min_point =bounding_box.minPoint;
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math::vec size =bounding_box.Size();
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math::vec eye( center_point.x,
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center_point.y-size.y*4,
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center_point.z,
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1.0f);
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camera.type =CameraType::Perspective;
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camera.width =w;
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camera.height =h;
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camera.vp_width =w;
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camera.vp_height=h;
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camera.center =center_point;
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camera.eye =eye;
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camera.znear =16;
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camera.zfar =256;
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camera.Refresh(); //更新矩阵计算
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origin_camera=camera;
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ubo_world_matrix=db->CreateUBO(sizeof(WorldMatrix),&camera.matrix);
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move_speed=length(min_point,center_point)/100.0f;
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object_matrix=Matrix4f::identity;
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origin_matrix=object_matrix;
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}
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vulkan::Buffer *GetCameraMatrixBuffer()
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{
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return ubo_world_matrix;
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}
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void Resize(int w,int h)override
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{
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camera.width=w;
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camera.height=h;
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}
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virtual void Draw()override
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{
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const uint32_t index=AcquireNextImage();
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// camera.Refresh(); //更新相机矩阵
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// ubo_world_matrix->Write(&camera.matrix); //写入缓冲区
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//render_root.RefreshMatrix(&object_matrix);
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render_list.Clear();
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render_root.ExpendToList(&render_list);
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BuildCommandBuffer(index,&render_list);
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SubmitDraw(index);
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if(key_status[kbEnter])
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{
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origin_camera.width=camera.width;
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origin_camera.height=camera.height;
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camera=origin_camera;
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object_matrix=origin_matrix;
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}
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else
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if(key_status[kbW])camera.Forward (move_speed);else
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if(key_status[kbS])camera.Backward (move_speed);else
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if(key_status[kbA])camera.Left (move_speed);else
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if(key_status[kbD])camera.Right (move_speed);else
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if(key_status[kbR])camera.Up (move_speed);else
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if(key_status[kbF])camera.Down (move_speed);else
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{
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auto axis=normalized(camera.center-camera.eye);
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float rotate_rad=hgl_ang2rad(move_speed)*10;
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if(key_status[kbLeft ])
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object_matrix=rotate(-rotate_rad,camera.forward_vector)*object_matrix;else
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if(key_status[kbRight])
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object_matrix=rotate( rotate_rad,camera.forward_vector)*object_matrix;else
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return;
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}
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}
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virtual void KeyPress(KeyboardButton kb)override
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{
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if(kb==kbMinus)move_speed*=0.9f;else
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if(kb==kbEquals)move_speed*=1.1f;else
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return;
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}
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virtual void MouseDown(uint) override
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{
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mouse_last_pos=mouse_pos;
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}
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virtual void MouseMove() override
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{
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if(!mouse_key)return;
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Vector2f gap=mouse_pos-mouse_last_pos;
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if(mouse_key&mbLeft)
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{
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if(gap.x!=0)camera.HorzRotate(-gap.x/10.0f);
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if(gap.y!=0)camera.VertRotate(-gap.y/10.0f);
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}
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else if(mouse_key&mbRight)
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{
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if(gap.x!=0)object_matrix=rotate(hgl_ang2rad(gap.x),camera.up_vector)*object_matrix;
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if(gap.y!=0)object_matrix=rotate(hgl_ang2rad(gap.y),camera.right_vector)*object_matrix;
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}
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else if(mouse_key&mbMid)
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{
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if(gap.x!=0)camera.Left(gap.x*move_speed/5.0f);
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if(gap.y!=0)camera.Up(gap.y*move_speed/5.0f);
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}
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mouse_last_pos=mouse_pos;
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}
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virtual void MouseWheel(int v,int h,uint)
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{
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camera.Distance(1+(v/1000.0f));
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}
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};//class CameraAppFramework
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401
example/common/VulkanAppFramework.h
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401
example/common/VulkanAppFramework.h
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@@ -0,0 +1,401 @@
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#pragma once
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#include<hgl/platform/Window.h>
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#include<hgl/graph/vulkan/VKInstance.h>
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#include<hgl/graph/vulkan/VKPhysicalDevice.h>
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#include<hgl/graph/vulkan/VKDevice.h>
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#include<hgl/graph/vulkan/VKSemaphore.h>
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#include<hgl/graph/vulkan/VKBuffer.h>
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#include<hgl/graph/vulkan/VKShaderModule.h>
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#include<hgl/graph/vulkan/VKImageView.h>
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#include<hgl/graph/vulkan/VKRenderable.h>
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#include<hgl/graph/vulkan/VKDescriptorSets.h>
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#include<hgl/graph/vulkan/VKRenderPass.h>
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#include<hgl/graph/vulkan/VKPipeline.h>
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#include<hgl/graph/vulkan/VKCommandBuffer.h>
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#include<hgl/graph/vulkan/VKFormat.h>
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#include<hgl/graph/vulkan/VKFramebuffer.h>
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#include<hgl/graph/vulkan/VKMaterial.h>
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#include<hgl/graph/vulkan/VKMaterialInstance.h>
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#include<hgl/graph/vulkan/VKRenderTarget.h>
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#include<hgl/graph/vulkan/VKDatabase.h>
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#include<hgl/graph/RenderList.h>
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using namespace hgl;
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using namespace hgl::graph;
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class VulkanApplicationFramework
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{
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private:
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Window * win =nullptr;
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vulkan::Instance * inst =nullptr;
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void OnKeyDown (KeyboardButton kb){key_status[kb]=true;}
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void OnKeyUp (KeyboardButton kb){key_status[kb]=false;}
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void OnKeyPress (KeyboardButton kb){KeyPress(kb);}
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protected:
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uint mouse_key=0;
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Vector2f mouse_pos;
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void OnMouseDown(int,int,uint mk){mouse_key=mk;MouseDown(mk);}
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void OnMouseUp (int,int,uint mk){mouse_key=0;MouseUp(mk);}
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void OnMouseMove(int x,int y){mouse_pos.Set(x,y);MouseMove();}
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void OnMouseWheel(int v,int h,uint mk){MouseWheel(v,h,mk);}
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protected:
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vulkan::Device * device =nullptr;
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vulkan::SwapchainRenderTarget * sc_render_target =nullptr;
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vulkan::Semaphore * present_complete_semaphore =nullptr,
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* render_complete_semaphore =nullptr;
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protected:
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int32_t swap_chain_count =0;
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vulkan::CommandBuffer ** cmd_buf =nullptr;
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protected:
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vulkan::Database * db =nullptr;
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bool key_status[kbRangeSize];
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public:
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virtual ~VulkanApplicationFramework()
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{
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SAFE_CLEAR(present_complete_semaphore);
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SAFE_CLEAR(render_complete_semaphore);
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SAFE_CLEAR(db);
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SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
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SAFE_CLEAR(device);
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SAFE_CLEAR(win);
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SAFE_CLEAR(inst);
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}
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virtual bool Init(int w,int h)
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{
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hgl_zero(key_status);
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#ifdef _DEBUG
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if(!vulkan::CheckStrideBytesByFormat())
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return(false);
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#endif//
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InitNativeWindowSystem();
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VK_NAMESPACE::InitVulkanProperties();
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win=CreateRenderWindow(OS_TEXT("VulkanTest"));
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if(!win)
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return(false);
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if(!win->Create(w,h))
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return(false);
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{
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VK_NAMESPACE::CreateInstanceLayerInfo cili;
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hgl_zero(cili);
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cili.lunarg.standard_validation = true;
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cili.khronos.validation = true;
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cili.RenderDoc.Capture = true;
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inst=vulkan::CreateInstance("VulkanTest",nullptr,&cili);
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if(!inst)
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return(false);
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}
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device=CreateRenderDevice(inst,win);
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if(!device)
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return(false);
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present_complete_semaphore =device->CreateSem();
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render_complete_semaphore =device->CreateSem();
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db=new vulkan::Database(device);
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InitCommandBuffer();
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SetEventCall(win->OnResize, this,VulkanApplicationFramework,OnResize );
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SetEventCall(win->OnKeyDown, this,VulkanApplicationFramework,OnKeyDown );
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SetEventCall(win->OnKeyUp, this,VulkanApplicationFramework,OnKeyUp );
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SetEventCall(win->OnKeyPress, this,VulkanApplicationFramework,OnKeyPress );
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SetEventCall(win->OnMouseDown, this,VulkanApplicationFramework,OnMouseDown );
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SetEventCall(win->OnMouseUp, this,VulkanApplicationFramework,OnMouseUp );
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SetEventCall(win->OnMouseMove, this,VulkanApplicationFramework,OnMouseMove );
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SetEventCall(win->OnMouseWheel, this,VulkanApplicationFramework,OnMouseWheel);
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return(true);
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}
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virtual void Resize(int,int)=0;
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virtual void KeyPress(KeyboardButton){}
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virtual void MouseDown(uint){}
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virtual void MouseUp(uint){}
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virtual void MouseMove(){}
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virtual void MouseWheel(int,int,uint){}
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void OnResize(int w,int h)
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{
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if(w>0&&h>0)
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device->Resize(w,h);
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InitCommandBuffer();
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Resize(w,h);
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}
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void InitCommandBuffer()
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{
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if(cmd_buf)
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SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
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sc_render_target=device->GetSwapchainRT();
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swap_chain_count=sc_render_target->GetImageCount();
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{
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const VkExtent2D extent=sc_render_target->GetExtent();
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cmd_buf=hgl_zero_new<vulkan::CommandBuffer *>(swap_chain_count);
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for(int32_t i=0;i<swap_chain_count;i++)
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cmd_buf[i]=device->CreateCommandBuffer(extent,2);
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}
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}
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void BuildCommandBuffer(uint32_t index,vulkan::RenderableInstance *ri)
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{
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if(!ri)
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return;
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const vulkan::IndexBuffer *ib=ri->GetIndexBuffer();
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vulkan::CommandBuffer *cb=cmd_buf[index];
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cb->Begin();
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cb->BeginRenderPass(sc_render_target->GetRenderPass(),sc_render_target->GetFramebuffer(index));
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cb->BindPipeline(ri->GetPipeline());
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cb->BindDescriptorSets(ri->GetDescriptorSets());
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cb->BindVAB(ri);
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if (ib)
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cb->DrawIndexed(ib->GetCount());
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else
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cb->Draw(ri->GetDrawCount());
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cb->EndRenderPass();
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cb->End();
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}
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void BuildCommandBuffer(vulkan::RenderableInstance *ri)
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{
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for(int32_t i=0;i<swap_chain_count;i++)
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BuildCommandBuffer(i,ri);
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}
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void BuildCurrentCommandBuffer(vulkan::RenderableInstance *ri)
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{
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BuildCommandBuffer(sc_render_target->GetCurrentFrameIndices(),ri);
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}
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void BuildCommandBuffer(uint32_t index,RenderList *rl)
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{
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if(!rl)return;
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vulkan::CommandBuffer *cb=cmd_buf[index];
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cb->Begin();
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cb->BeginRenderPass(sc_render_target->GetRenderPass(),sc_render_target->GetFramebuffer(index));
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rl->Render(cb);
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cb->EndRenderPass();
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cb->End();
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}
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void BuildCommandBuffer(RenderList *rl)
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{
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for(int32_t i=0;i<swap_chain_count;i++)
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BuildCommandBuffer(i,rl);
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}
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void BuildCurrentCommandBuffer(RenderList *rl)
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{
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BuildCommandBuffer(sc_render_target->GetCurrentFrameIndices(),rl);
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}
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public:
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int AcquireNextImage()
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{
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return sc_render_target->AcquireNextImage(present_complete_semaphore);
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}
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virtual void SubmitDraw(int index)
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{
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VkCommandBuffer cb=*cmd_buf[index];
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sc_render_target->Submit(cb,present_complete_semaphore,render_complete_semaphore);
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sc_render_target->PresentBackbuffer(render_complete_semaphore);
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sc_render_target->Wait();
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}
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virtual void Draw()
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{
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int index=AcquireNextImage();
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if(index<0||index>=swap_chain_count)return;
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SubmitDraw(index);
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}
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bool Run()
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{
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if(!win->Update())return(false);
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if(win->IsVisible())
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Draw();
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return(true);
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}
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public: //pipeline
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vulkan::Pipeline *CreatePipeline(vulkan::Material *mtl,vulkan::PipelineData *pd,const Prim &prim=Prim::Triangles,const bool prim_restart=false)
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{
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return db->CreatePipeline(mtl,sc_render_target,pd,prim,prim_restart);
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}
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vulkan::Pipeline *CreatePipeline(vulkan::MaterialInstance *mi,vulkan::PipelineData *pd,const Prim &prim=Prim::Triangles,const bool prim_restart=false)
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{
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return db->CreatePipeline(mi,sc_render_target,pd,prim,prim_restart);
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}
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vulkan::Pipeline *CreatePipeline(vulkan::Material *mtl,const OSString &pipeline_name,const Prim &prim=Prim::Triangles,const bool prim_restart=false)
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{
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return db->CreatePipeline(mtl,sc_render_target,pipeline_name,prim,prim_restart);
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}
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vulkan::Pipeline *CreatePipeline(vulkan::MaterialInstance *mi,const OSString &pipeline_name,const Prim &prim=Prim::Triangles,const bool prim_restart=false)
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{
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return db->CreatePipeline(mi,sc_render_target,pipeline_name,prim,prim_restart);
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}
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};//class VulkanApplicationFramework
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class CameraAppFramework:public VulkanApplicationFramework
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{
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private:
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vulkan::Buffer * ubo_world_matrix =nullptr;
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protected:
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ControlCamera camera;
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float move_speed=1;
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Vector2f mouse_last_pos;
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public:
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virtual ~CameraAppFramework()=default;
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virtual bool Init(int w,int h)
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{
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if(!VulkanApplicationFramework::Init(w,h))
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return(false);
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InitCamera(w,h);
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return(true);
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}
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virtual void InitCamera(int w,int h)
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{
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camera.type=CameraType::Perspective;
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camera.width=w;
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camera.height=h;
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camera.vp_width=w;
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camera.vp_height=h;
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camera.center.Set(0,0,0,1);
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camera.eye.Set(10,10,10,1); //xyz三个值不要一样，以方便调试
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camera.Refresh(); //更新矩阵计算
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ubo_world_matrix=db->CreateUBO(sizeof(WorldMatrix),&camera.matrix);
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}
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||||
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||||
void Resize(int w,int h)override
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{
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camera.width=w;
|
||||
camera.height=h;
|
||||
}
|
||||
|
||||
vulkan::Buffer *GetCameraMatrixBuffer()
|
||||
{
|
||||
return ubo_world_matrix;
|
||||
}
|
||||
|
||||
virtual void BuildCommandBuffer(uint32_t index)=0;
|
||||
|
||||
virtual void Draw()override
|
||||
{
|
||||
camera.Refresh(); //更新相机矩阵
|
||||
ubo_world_matrix->Write(&camera.matrix); //写入缓冲区
|
||||
|
||||
const uint32_t index=AcquireNextImage();
|
||||
|
||||
BuildCommandBuffer(index);
|
||||
|
||||
SubmitDraw(index);
|
||||
|
||||
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[kbR])camera.Up (move_speed);else
|
||||
if(key_status[kbF])camera.Down (move_speed);else
|
||||
|
||||
if(key_status[kbLeft ])camera.WrapHorzRotate( move_speed);else
|
||||
if(key_status[kbRight ])camera.WrapHorzRotate(-move_speed);else
|
||||
if(key_status[kbUp ])camera.WrapVertRotate( move_speed);else
|
||||
if(key_status[kbDown ])camera.WrapVertRotate(-move_speed);else
|
||||
return;
|
||||
}
|
||||
|
||||
virtual void KeyPress(KeyboardButton kb)override
|
||||
{
|
||||
if(kb==kbMinus)move_speed*=0.9f;else
|
||||
if(kb==kbEquals)move_speed*=1.1f;else
|
||||
return;
|
||||
}
|
||||
|
||||
virtual void MouseDown(uint) override
|
||||
{
|
||||
mouse_last_pos=mouse_pos;
|
||||
}
|
||||
|
||||
virtual void MouseMove() override
|
||||
{
|
||||
if(!(mouse_key&(mbLeft|mbRight)))return;
|
||||
|
||||
Vector2f gap=mouse_pos-mouse_last_pos;
|
||||
|
||||
bool update=false;
|
||||
if(gap.x!=0){update=true;if(mouse_key&mbLeft)camera.HorzRotate(-gap.x/10.0f);else camera.WrapHorzRotate(gap.x);}
|
||||
if(gap.y!=0){update=true;if(mouse_key&mbLeft)camera.VertRotate(-gap.y/10.0f);else camera.WrapVertRotate(gap.y);}
|
||||
|
||||
mouse_last_pos=mouse_pos;
|
||||
}
|
||||
|
||||
virtual void MouseWheel(int v,int h,uint)
|
||||
{
|
||||
camera.Distance(1+(v/1000.0f));
|
||||
}
|
||||
};//class CameraAppFramework
|
||||
Reference in New Issue
Block a user