104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
// Instance Triangle
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// 基本的Instance绘制测试用例,不使用场景树
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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/SceneInfo.h>
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using namespace hgl;
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using namespace hgl::graph;
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constexpr uint32_t SCREEN_SIZE=512;
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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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{0,0},
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{0.25,-0.75},
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{0,-1}
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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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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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material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/VertexColor2DNDC"));
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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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Primitive *primitive=db->CreatePrimitive(VERTEX_COUNT);
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if(!primitive)return(false);
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if(!primitive->Set(VAN::Position, db->CreateVBO(VF_V2F,VERTEX_COUNT,position_data )))return(false);
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if(!primitive->Set(VAN::Color, db->CreateVBO(VF_V4F,VERTEX_COUNT,color_data )))return(false);
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render_obj=db->CreateRenderable(primitive,material_instance,pipeline);
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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_SIZE,SCREEN_SIZE))
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return(false);
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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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if(!BuildCommandBuffer(render_obj))
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return(false);
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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_obj);
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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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