[SOLVED] CS代考计算机代写 // GPUProgram class

// GPUProgram class

#ifndef SHADER_H
#define SHADER_H

#include “headers.h”

class GPUProgram {

unsigned int program_id;
unsigned int shader_vp;
unsigned int shader_fp;

public:

GPUProgram() {};

GPUProgram( const char *vsFile, const char *fsFile ) {
initFromFile( vsFile, fsFile );
}

~GPUProgram() {
glDetachShader( program_id, shader_vp );
glDeleteShader( shader_vp );

glDetachShader( program_id, shader_fp );
glDeleteShader( shader_fp );

glDeleteProgram( program_id );
}

void init( char *vsText, char *fsText );

int id() {
return program_id;
}

void activate() {
glUseProgram( program_id );
}

void deactivate() {
glUseProgram( 0 );
}

char* textFileRead(const char *fileName);

void setMat4( char *name, mat4 &M ) {
glUniformMatrix4fv( glGetUniformLocation( program_id, name ), 1, GL_TRUE, &M[0][0] );
}

void setVec3( char *name, vec3 v ) {
glUniform3fv( glGetUniformLocation( program_id, name ), 1, &v[0] );
}

void setVec2( char *name, vec2 v ) {
glUniform2fv( glGetUniformLocation( program_id, name ), 1, &v[0] );
}

void setVec4( char *name, vec4 v ) {
glUniform4fv( glGetUniformLocation( program_id, name ), 1, &v[0] );
}

void setFloat( char *name, float f ) {
glUniform1f( glGetUniformLocation( program_id, name ), f );
}

void setInt( char *name, int i ) {
glUniform1i( glGetUniformLocation( program_id, name ), i );
}

void glErrorReport( char *where ) {

GLuint errnum;
bool gotErrors = false;

while ((errnum = glGetError())) {
std::cerr << where << “: OpenGL error ” << errnum << std::endl;gotErrors = true;}if (gotErrors)exit(1);}void initFromFile( const char *vsFile, const char *fsFile );void validateShader( GLuint shader, const char* file = 0 );void validateProgram();};#endif