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https://github.com/lucaspalomodevelop/meshlab.git
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97 lines
3.0 KiB
C
Executable File
97 lines
3.0 KiB
C
Executable File
#ifndef _SHADER_BASIC_
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#define _SHADER_BASIC_
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struct Shader{
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static int SetFromString( const GLchar *stringV, const GLchar *stringF, GLuint &fs, GLuint & vs, GLuint &pr){
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fs= glCreateShader(GL_FRAGMENT_SHADER);
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vs= glCreateShader(GL_VERTEX_SHADER);
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if(stringV!=NULL){
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glShaderSource(vs, 1, &stringV,NULL);
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glCompileShader(vs);
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int errV;
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glGetShaderiv(vs,GL_COMPILE_STATUS,&errV);
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if(errV!=GL_TRUE) return -2;
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}else return -1;
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if(stringF!=NULL){
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glShaderSource(fs, 1, &stringF,NULL);
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glCompileShader(fs);
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int errF;
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glGetShaderiv(fs,GL_COMPILE_STATUS,&errF);
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if(errF!=GL_TRUE) return -4;
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}else return -3;
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pr = glCreateProgram();
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glAttachShader(pr,vs);
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glAttachShader(pr,fs);
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glLinkProgram(pr);
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return 0;
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}
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static void Validate( const int & s ){
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int res;
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glValidateProgram(s);
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glGetProgramiv(s,GL_VALIDATE_STATUS,&res);
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qDebug("validation of program %d:%d \n",s,res);
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glGetProgramiv(s,GL_LINK_STATUS,&res);
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qDebug("linking of program %d:%d \n",s,res);
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glGetProgramiv(s,GL_ACTIVE_ATTRIBUTES,&res);
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qDebug("active attribute of program %d:%d \n",s,res);
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glGetProgramiv(s,GL_ACTIVE_UNIFORMS,&res);
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qDebug("active uniform of program %d:%d \n",s,res);
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glGetProgramiv(s,GL_ACTIVE_UNIFORM_MAX_LENGTH,&res);
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qDebug("active uniform Max Length of program %d:%d \n",s,res);
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}
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};
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struct FBO{
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static void Check(int fboStatus)
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{
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if ( fboStatus != GL_FRAMEBUFFER_COMPLETE_EXT)
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{
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if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT)
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{
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qDebug("FBO Incomplete: Attachment");
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}
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else if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT)
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{
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qDebug("FBO Incomplete: Missing Attachment");
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}
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else if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT)
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{
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qDebug("FBO Incomplete: Dimensions");
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}
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else if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT)
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{
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qDebug("FBO Incomplete: Formats");
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}
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else if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT)
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{
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qDebug("FBO Incomplete: Draw Buffer");
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}
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else if (fboStatus == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT)
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{
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qDebug("FBO Incomplete: Read Buffer");
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}
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else if (fboStatus == GL_FRAMEBUFFER_UNSUPPORTED_EXT)
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{
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qDebug("FBO Unsupported");
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}
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else
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{
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printf("Undefined FBO error");
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exit(-4);
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}
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}
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}
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};
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#endif
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