176 lines
4.1 KiB
C++
176 lines
4.1 KiB
C++
// indices_rect
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// 该示例演示使用索引数据画一个矩形，并使用了颜色材质
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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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constexpr uint32_t VERTEX_COUNT=4;
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static Vector4f color(1,1,0,1);
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constexpr float SSP=0.25;
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constexpr float SSN=1-SSP;
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constexpr float vertex_data[VERTEX_COUNT][2]=
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{
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{SCREEN_WIDTH*SSP, SCREEN_HEIGHT*SSP},
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{SCREEN_WIDTH*SSN, SCREEN_HEIGHT*SSP},
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{SCREEN_WIDTH*SSP, SCREEN_HEIGHT*SSN},
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{SCREEN_WIDTH*SSN, SCREEN_HEIGHT*SSN}
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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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WorldMatrix wm;
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vulkan::Material * material =nullptr;
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vulkan::MaterialInstance * material_instance =nullptr;
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vulkan::Renderable * render_obj =nullptr;
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vulkan::Buffer * ubo_mvp =nullptr;
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vulkan::Buffer * ubo_color_material =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_color_material);
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SAFE_CLEAR(ubo_mvp);
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SAFE_CLEAR(render_obj);
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SAFE_CLEAR(material_instance);
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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("res/shader/OnlyPosition.vert.spv"),
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OS_TEXT("res/shader/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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material_instance=material->CreateInstance();
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return(true);
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}
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vulkan::Buffer *CreateUBO(const UTF8String &name,const VkDeviceSize size,void *data)
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{
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vulkan::Buffer *ubo=device->CreateUBO(size,data);
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if(!ubo)
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return(nullptr);
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if(!material_instance->BindUBO(name,ubo))
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{
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SAFE_CLEAR(ubo);
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return(nullptr);
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}
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return ubo;
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}
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bool InitUBO()
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{
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const VkExtent2D extent=sc_render_target->GetExtent();
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wm.ortho=ortho(extent.width,extent.height);
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ubo_mvp =CreateUBO("world", sizeof(WorldMatrix),&wm);
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ubo_color_material =CreateUBO("color_material",sizeof(Vector4f),&color);
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material_instance->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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AutoDelete<vulkan::PipelineCreater>
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pipeline_creater=new vulkan::PipelineCreater(device,material,sc_render_target);
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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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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,material_instance,render_obj);
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return(true);
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}
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void Resize(int,int)override
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{
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BuildCommandBuffer(pipeline,material_instance,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(!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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