161 lines
3.7 KiB
C++
161 lines
3.7 KiB
C++
// 1.indices_rect
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// 该示例是0.triangle的进化，演示使用索引数据画一个矩形
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#include"VulkanAppFramework.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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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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constexpr uint32_t VERTEX_COUNT=4;
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constexpr float vertex_data[VERTEX_COUNT][2]=
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{
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{SCREEN_WIDTH*0.25, SCREEN_HEIGHT*0.25},
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{SCREEN_WIDTH*0.75, SCREEN_HEIGHT*0.25},
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{SCREEN_WIDTH*0.25, SCREEN_HEIGHT*0.75},
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{SCREEN_WIDTH*0.75, SCREEN_HEIGHT*0.75}
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};
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constexpr uint32_t INDEX_COUNT=6;
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constexpr uint16 index_data[INDEX_COUNT]=
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{
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0,1,3,
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0,3,2
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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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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::Buffer * ubo_mvp =nullptr;
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vulkan::Pipeline * pipeline =nullptr;
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vulkan::VertexBuffer * vertex_buffer =nullptr;
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vulkan::IndexBuffer * index_buffer =nullptr;
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public:
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~TestApp()
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{
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SAFE_CLEAR(index_buffer);
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SAFE_CLEAR(vertex_buffer);
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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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render_obj=material->CreateRenderable(VERTEX_COUNT);
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descriptor_sets=material->CreateDescriptorSets();
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return(true);
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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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void InitVBO()
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{
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vertex_buffer =device->CreateVBO(FMT_RG32F,VERTEX_COUNT,vertex_data);
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index_buffer =device->CreateIBO16(INDEX_COUNT,index_data);
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render_obj->Set("Vertex",vertex_buffer);
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render_obj->Set(index_buffer);
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}
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bool InitPipeline()
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{
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vulkan::PipelineCreater *
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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_TRIANGLES);
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pipeline=pipeline_creater->Create();
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delete pipeline_creater;
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pipeline_creater=nullptr;
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return pipeline;
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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(!InitUBO())
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return(false);
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InitVBO();
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if(!InitPipeline())
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return(false);
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BuildCommandBuffer(pipeline,descriptor_sets,render_obj);
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return(true);
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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(!vulkan::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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