108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
#include<hgl/graph/RenderDevice.h>
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#include<hgl/graph/RenderWindow.h>
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#include<iostream>
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#include<string.h>
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#include<GLEWCore/glew.h>
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using namespace hgl;
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void draw()
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{
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glClearColor(0,0,0,1); //设置清屏颜色
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glClear(GL_COLOR_BUFFER_BIT); //清屏
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}
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void output_ogl_info()
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{
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std::cout<<"Vendor: "<<glGetString(GL_VENDOR)<<std::endl;
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std::cout<<"Renderer: "<<glGetString(GL_RENDERER)<<std::endl;
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std::cout<<"Version: "<<glGetString(GL_VERSION)<<std::endl;
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if(!glGetStringi)
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return;
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GLint n=0;
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glGetIntegerv(GL_NUM_EXTENSIONS, &n);
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std::cout<<"Extensions:"<<std::endl;
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for (GLint i=0; i<n; i++)
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std::cout<<" "<<i<<" : "<<glGetStringi(GL_EXTENSIONS,i)<<std::endl;
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}
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void output_ogl_value(const char *name,const GLenum gl_caps)
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{
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GLint params;
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glGetIntegerv(gl_caps, ¶ms);
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std::cout << name << ": " << params << std::endl;
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}
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#define OUTPUT_OGL_VALUE(name) output_ogl_value("GL_" #name,GL_##name)
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void output_ogl_values()
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{
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OUTPUT_OGL_VALUE(MAX_VERTEX_ATTRIBS);
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OUTPUT_OGL_VALUE(MAX_VERTEX_ATTRIB_BINDINGS);
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OUTPUT_OGL_VALUE(MAX_TEXTURE_COORDS);
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OUTPUT_OGL_VALUE(MAX_TEXTURE_IMAGE_UNITS);
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OUTPUT_OGL_VALUE(MAX_SAMPLES);
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OUTPUT_OGL_VALUE(MAX_COLOR_ATTACHMENTS);
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OUTPUT_OGL_VALUE(MAX_ARRAY_TEXTURE_LAYERS);
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OUTPUT_OGL_VALUE(MAX_TEXTURE_BUFFER_SIZE);
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OUTPUT_OGL_VALUE(MAX_SHADER_STORAGE_BLOCK_SIZE);
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OUTPUT_OGL_VALUE(MAX_VERTEX_UNIFORM_BLOCKS);
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OUTPUT_OGL_VALUE(MAX_GEOMETRY_UNIFORM_BLOCKS);
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OUTPUT_OGL_VALUE(MAX_FRAGMENT_UNIFORM_BLOCKS);
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OUTPUT_OGL_VALUE(MAX_UNIFORM_BLOCK_SIZE);
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}
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int main(int argc,char **argv)
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{
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RenderDevice *device=CreateRenderDeviceGLFW();
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if(!device)
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{
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std::cerr<<"Create RenderDevice(GLFW) failed."<<std::endl;
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return -1;
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}
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if(!device->Init())
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{
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std::cerr<<"Init RenderDevice(GLFW) failed."<<std::endl;
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return -2;
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}
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WindowSetup ws;
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ws.Name=U8_TEXT("Draw Triangle");
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RenderSetup rs;
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if(argc>1)
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{
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if(stricmp(argv[1],"core")==0)
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rs.opengl.core=true;
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else
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rs.opengl.core=false;
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}
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else
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rs.opengl.core=false;
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RenderWindow *win=device->Create(1280,720,&ws,&rs);
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win->MakeToCurrent(); //切换当前窗口到前台
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output_ogl_info();
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output_ogl_values();
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delete win;
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delete device;
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return 0;
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}
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