142 lines
3.5 KiB
C++
142 lines
3.5 KiB
C++
// texture quad
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// 画一个带纹理的四边形
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#include"VulkanAppFramework.h"
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#include<hgl/graph/VKTexture.h>
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#include<hgl/graph/VKSampler.h>
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#include<hgl/graph/VKInlinePipeline.h>
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#include<hgl/graph/VKRenderablePrimitiveCreater.h>
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#include<hgl/graph/mtl/2d/Material2DCreateConfig.h>
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#include<hgl/math/Math.h>
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using namespace hgl;
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using namespace hgl::graph;
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VK_NAMESPACE_BEGIN
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Texture2D *CreateTexture2DFromFile(GPUDevice *device,const OSString &filename);
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VK_NAMESPACE_END
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constexpr uint32_t SCREEN_WIDTH=256;
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constexpr uint32_t SCREEN_HEIGHT=256;
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constexpr uint32_t VERTEX_COUNT=4;
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constexpr float position_data[VERTEX_COUNT][2]=
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{
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{-1, -1},
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{ 1, -1},
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{ 1, 1},
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{-1, 1},
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};
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constexpr float tex_coord_data[VERTEX_COUNT][2]=
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{
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{0,0},
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{1,0},
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{1,1},
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{0,1}
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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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Texture2D * texture =nullptr;
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Sampler * sampler =nullptr;
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Material * material =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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mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"PureTexture2D",Prim::Fan);
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cfg.coordinate_system=CoordinateSystem2D::NDC;
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cfg.local_to_world=false;
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AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreatePureTexture2D(&cfg);
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material=db->CreateMaterial(mci);
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if(!material)
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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,InlinePipeline::Solid2D,Prim::Fan); //等同上一行，为Framework重载，默认使用swapchain的render target
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if(!pipeline)
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return(false);
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texture=db->LoadTexture2D(OS_TEXT("res/image/lena.Tex2D"),true);
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if(!texture)return(false);
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sampler=db->CreateSampler();
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if(!material->BindImageSampler( DescriptorSetType::PerMaterial, ///<描述符合集
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mtl::SamplerName::Color, ///<采样器名称
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texture, ///<纹理
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sampler)) ///<采样器
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return(false);
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material_instance=db->CreateMaterialInstance(material);
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return(true);
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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::TexCoord, VF_V2F, tex_coord_data))return(false);
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render_obj=rpc.Create(material_instance,pipeline);
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return(render_obj);
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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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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_obj);
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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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#ifdef _DEBUG
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if(!CheckStrideBytesByFormat())
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return 0xff;
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#endif//
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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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