126 lines
2.8 KiB
C++
126 lines
2.8 KiB
C++
// second_triangle
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// 该范例主要演示使用场景树系统绘制三角形
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#include"VulkanAppFramework.h"
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#include<hgl/math/Math.h>
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#include<hgl/filesystem/FileSystem.h>
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#include<hgl/graph/VKRenderablePrimitiveCreater.h>
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#include<hgl/graph/mtl/2d/VertexColor2D.h>
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#include<hgl/graph/RenderList2D.h>
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using namespace hgl;
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using namespace hgl::graph;
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constexpr uint32_t SCREEN_WIDTH=1280;
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constexpr uint32_t SCREEN_HEIGHT=720;
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constexpr uint32_t VERTEX_COUNT=3;
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constexpr float position_data[VERTEX_COUNT][2]=
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{
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{0.5, 0.25},
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{0.25, 0.75},
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{0.75, 0.75}
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};
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constexpr float color_data[VERTEX_COUNT][4]=
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{ {1,0,0,1},
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{0,1,0,1},
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{0,0,1,1}
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};
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class TestApp:public VulkanApplicationFramework
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{
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private:
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SceneNode render_root;
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RenderList2D * render_list =nullptr;
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MaterialInstance * material_instance =nullptr;
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Renderable * render_obj =nullptr;
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Pipeline * pipeline =nullptr;
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private:
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bool InitMaterial()
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{
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AutoDelete<MaterialCreateInfo> mci=mtl::CreateVertexColor2D(mtl::CoordinateSystem2D::ZeroToOne);
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material_instance=db->CreateMaterialInstance(mci);
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if(!material_instance)
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return(false);
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// pipeline=db->CreatePipeline(material_instance,sc_render_target,OS_TEXT("res/pipeline/solid2d"));
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pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::Triangles); //等同上一行，为Framework重载，默认使用swapchain的render target
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return pipeline;
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}
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bool InitVBO()
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{
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RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
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if(!rpc.SetVBO(VAN::Position, VF_V2F, position_data))return(false);
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if(!rpc.SetVBO(VAN::Color, VF_V4F, color_data ))return(false);
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render_obj=rpc.Create(material_instance,pipeline);
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if(!render_obj)
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return(false);
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render_root.CreateSubNode(render_obj);
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render_root.RefreshMatrix();
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render_list->Expend(&render_root);
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return(true);
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}
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public:
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~TestApp()
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{
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SAFE_CLEAR(render_list);
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}
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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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render_list=new RenderList2D(device);
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if(!InitMaterial())
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return(false);
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if(!InitVBO())
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return(false);
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BuildCommandBuffer(render_list);
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return(true);
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}
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void Resize(int w,int h)override
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{
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VulkanApplicationFramework::Resize(w,h);
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BuildCommandBuffer(render_list);
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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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