319 lines
8.3 KiB
C++
319 lines
8.3 KiB
C++
// 3.Geometry2D
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// 该范例有两个作用：
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// 一、测试绘制2D几何体
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// 二、试验动态合并材质渲染机制、包括普通合并与Instance
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#include"VulkanAppFramework.h"
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#include<hgl/filesystem/FileSystem.h>
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#include<hgl/graph/InlineGeometry.h>
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#include<hgl/type/ResManage.h>
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using namespace hgl;
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using namespace hgl::graph;
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bool SaveToFile(const OSString &filename,VK_NAMESPACE::PipelineCreater *pc);
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bool LoadFromFile(const OSString &filename,VK_NAMESPACE::PipelineCreater *pc);
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constexpr uint32_t SCREEN_WIDTH=128;
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constexpr uint32_t SCREEN_HEIGHT=128;
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struct WorldConfig
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{
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Matrix4f mvp;
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}world;
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VK_NAMESPACE_BEGIN
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//using MaterialID=int;
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//using PipelineID=int;
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//using DescriptorSetsID=int;
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//using RenderableID=int;
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//
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///**
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// * 场景DB，用于管理场景内所需的所有数据
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// */
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//class SceneDatabase
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//{
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// IDResManage<MaterialID, Material> rm_material; ///<材质合集
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// IDResManage<PipelineID, Pipeline> rm_pipeline; ///<管线合集
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// IDResManage<DescriptorSetsID, DescriptorSets> rm_desc_sets; ///<描述符合集
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// IDResManage<RenderableID, Renderable> rm_renderable; ///<可渲染对象合集
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//
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//public:
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//
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// MaterialID Add(Material * mtl ){return rm_material.Add(mtl);}
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// PipelineID Add(Pipeline * p ){return rm_pipeline.Add(p);}
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// DescriptorSetsID Add(DescriptorSets *ds ){return rm_desc_sets.Add(ds);}
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// RenderableID Add(Renderable * r ){return rm_renderable.Add(r);}
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//};//class SceneDatabase
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/**
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* 可渲染对象实例
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*/
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class RenderableInstance
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{
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Pipeline * pipeline;
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DescriptorSets * desc_sets;
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Renderable * render_obj;
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public:
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RenderableInstance(Pipeline *p,DescriptorSets *ds,Renderable *r):pipeline(p),desc_sets(ds),render_obj(r){}
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virtual ~RenderableInstance()
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{
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}
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Pipeline * GetPipeline (){return pipeline;}
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DescriptorSets *GetDescriptorSets (){return desc_sets;}
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Renderable * GetRenderable (){return render_obj;}
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const int Comp(const RenderableInstance *ri)const
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{
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//绘制顺序：
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// ARM Mali GPU : 不透明、AlphaTest、半透明
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// Adreno/NV/AMD: AlphaTest、不透明、半透明
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// PowerVR: 同Adreno/NV/AMD，但不透明部分可以不排序
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if(pipeline->IsAlphaBlend())
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{
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if(!ri->pipeline->IsAlphaBlend())
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return 1;
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}
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else
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{
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if(ri->pipeline->IsAlphaBlend())
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return -1;
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}
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if(pipeline->IsAlphaTest())
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{
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if(!ri->pipeline->IsAlphaTest())
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return 1;
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}
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else
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{
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if(ri->pipeline->IsAlphaTest())
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return -1;
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}
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if(pipeline!=ri->pipeline)
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return pipeline-ri->pipeline;
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if(desc_sets!=ri->desc_sets)
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return desc_sets-ri->desc_sets;
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return render_obj-ri->render_obj;
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}
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CompOperator(const RenderableInstance *,Comp)
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};//class RenderableInstance
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VK_NAMESPACE_END
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class TestApp:public VulkanApplicationFramework
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{
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private:
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uint swap_chain_count=0;
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vulkan::Material * material =nullptr;
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vulkan::DescriptorSets * descriptor_sets =nullptr;
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vulkan::Renderable * render_obj =nullptr;
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vulkan::RenderableInstance *render_instance =nullptr;
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vulkan::Buffer * ubo_mvp =nullptr;
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vulkan::Pipeline * pipeline =nullptr;
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vulkan::CommandBuffer ** cmd_buf =nullptr;
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vulkan::VertexBuffer * vertex_buffer =nullptr;
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vulkan::VertexBuffer * color_buffer =nullptr;
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public:
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~TestApp()
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{
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SAFE_CLEAR(render_instance);
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SAFE_CLEAR(color_buffer);
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SAFE_CLEAR(vertex_buffer);
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SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
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SAFE_CLEAR(pipeline);
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SAFE_CLEAR(ubo_mvp);
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SAFE_CLEAR(render_obj);
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SAFE_CLEAR(descriptor_sets);
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SAFE_CLEAR(material);
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}
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private:
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bool InitMaterial()
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{
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material=shader_manage->CreateMaterial(OS_TEXT("OnlyPosition.vert.spv"),
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OS_TEXT("FlatColor.frag.spv"));
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if(!material)
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return(false);
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descriptor_sets=material->CreateDescriptorSets();
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return(true);
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}
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bool CreateRenderObject()
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{
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//struct RectangleCreateInfo rci;
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//rci.scope.Set(10,10,10,10);
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//render_obj=CreateRectangle(device,material,&rci);
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//struct RoundRectangleCreateInfo rrci;
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//rrci.scope.Set(10,10,SCREEN_WIDTH-20,SCREEN_HEIGHT-20);
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//rrci.radius=8; //半径为8
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//rrci.round_per=8; //圆角切分成8段
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//render_obj=CreateRoundRectangle(device,material,&rrci);
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struct CircleCreateInfo cci;
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cci.center.x=SCREEN_WIDTH/2;
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cci.center.y=SCREEN_HEIGHT/2;
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cci.radius.x=SCREEN_WIDTH*0.45;
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cci.radius.y=SCREEN_HEIGHT*0.45;
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cci.field_count=8;
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render_obj=CreateCircle(device,material,&cci);
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return render_obj;
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}
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bool InitUBO()
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{
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const VkExtent2D extent=device->GetExtent();
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world.mvp=ortho(extent.width,extent.height);
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ubo_mvp=device->CreateUBO(sizeof(WorldConfig),&world);
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if(!ubo_mvp)
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return(false);
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if(!descriptor_sets->BindUBO(material->GetUBO("world"),*ubo_mvp))
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return(false);
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descriptor_sets->Update();
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return(true);
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}
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bool InitPipeline()
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{
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constexpr os_char PIPELINE_FILENAME[]=OS_TEXT("2DSolid.pipeline");
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{
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vulkan::PipelineCreater *pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetRenderPass(),device->GetExtent());
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pipeline_creater->SetDepthTest(false);
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pipeline_creater->SetDepthWrite(false);
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pipeline_creater->CloseCullFace();
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pipeline_creater->Set(PRIM_TRIANGLE_FAN);
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pipeline=pipeline_creater->Create();
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delete pipeline_creater;
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}
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return pipeline;
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}
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void Draw(vulkan::CommandBuffer *cb,vulkan::RenderableInstance *ri)
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{
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cb->Bind(ri->GetPipeline());
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cb->Bind(ri->GetDescriptorSets());
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vulkan::Renderable *obj=ri->GetRenderable();
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cb->Bind(obj);
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const vulkan::IndexBuffer *ib=obj->GetIndexBuffer();
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if(ib)
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{
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cb->DrawIndexed(ib->GetCount());
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}
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else
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{
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cb->Draw(obj->GetDrawCount());
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}
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}
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bool InitCommandBuffer()
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{
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cmd_buf=hgl_zero_new<vulkan::CommandBuffer *>(swap_chain_count);
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for(uint i=0;i<swap_chain_count;i++)
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{
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cmd_buf[i]=device->CreateCommandBuffer();
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if(!cmd_buf[i])
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return(false);
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cmd_buf[i]->Begin();
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cmd_buf[i]->BeginRenderPass(device->GetRenderPass(),device->GetFramebuffer(i));
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Draw(cmd_buf[i],render_instance);
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cmd_buf[i]->EndRenderPass();
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cmd_buf[i]->End();
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}
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return(true);
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}
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public:
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bool Init()
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{
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if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
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return(false);
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swap_chain_count=device->GetSwapChainImageCount();
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if(!InitMaterial())
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return(false);
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if(!CreateRenderObject())
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return(false);
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if(!InitUBO())
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return(false);
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if(!InitPipeline())
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return(false);
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render_instance=new vulkan::RenderableInstance(pipeline,descriptor_sets,render_obj);
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if(!InitCommandBuffer())
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return(false);
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return(true);
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}
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void Draw() override
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{
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const uint32_t frame_index=device->GetCurrentFrameIndices();
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const vulkan::CommandBuffer *cb=cmd_buf[frame_index];
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Submit(*cb);
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}
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};//class TestApp:public VulkanApplicationFramework
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int main(int,char **)
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{
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TestApp app;
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if(!app.Init())
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return(-1);
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while(app.Run());
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return 0;
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}
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