ULRE/example/Vulkan/FragCoordTest.cpp

96 lines
1.9 KiB
C++

// 该范例主要用于测试gl_FragCoord值
#include"VulkanAppFramework.h"
#include<hgl/math/Math.h>
#include<hgl/filesystem/FileSystem.h>
using namespace hgl;
using namespace hgl::graph;
constexpr uint32_t SCREEN_WIDTH=256;
constexpr uint32_t SCREEN_HEIGHT=256;
constexpr uint32_t VERTEX_COUNT=4;
constexpr float position_data[VERTEX_COUNT][2]=
{
{0,0},
{SCREEN_WIDTH,0},
{0,SCREEN_HEIGHT},
{SCREEN_WIDTH,SCREEN_HEIGHT}
};
class TestApp:public VulkanApplicationFramework
{
private:
MaterialInstance * material_instance =nullptr;
Renderable *renderable =nullptr;
Pipeline * pipeline =nullptr;
private:
bool InitMaterial()
{
material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/FragColor"));
if(!material_instance)
return(false);
BindCameraUBO(material_instance);
pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::TriangleStrip);
return pipeline;
}
bool InitVBO()
{
auto primitive=db->CreatePrimitive(VERTEX_COUNT);
if(!primitive)return(false);
if(!primitive->Set(VAN::Position,db->CreateVBO(VF_V2F,VERTEX_COUNT,position_data)))return(false);
renderable=db->CreateRenderable(primitive,material_instance,pipeline);
return(true);
}
public:
bool Init()
{
if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
return(false);
if(!InitMaterial())
return(false);
if(!InitVBO())
return(false);
BuildCommandBuffer(renderable);
return(true);
}
void Resize(int w,int h)override
{
VulkanApplicationFramework::Resize(w,h);
BuildCommandBuffer(renderable);
}
};//class TestApp:public VulkanApplicationFramework
int main(int,char **)
{
TestApp app;
if(!app.Init())
return(-1);
while(app.Run());
return 0;
}