openglsupport.cpp File Reference

#include <main.h>
#include <iostream>
#include <string>
#include <GL/glew.h>
#include <Eigen/OpenGLSupport>
#include <GL/freeglut.h>

Macros
#define	VERIFY_MATRIX(CODE, REF)
#define	VERIFY_UNIFORM(SUFFIX, NAME, TYPE)
#define	VERIFY_UNIFORMi(NAME, TYPE)

Functions
void	printProgramInfoLog (GLuint objectID)
void	printShaderInfoLog (GLuint objectID)
GLint	createProgram (const char *vtx, const char *frg, bool print_errors=true)
GLint	createProgram (const std::string &vtx, const std::string &frg, bool print_errors=true)
std::string	getGlslVersionString (int gl_major_version, int gl_minor_version)
void	find_and_replace (std::string &str, const std::string &find, const std::string &replace)
std::string	format (const std::string &str, const std::vector< std::string > &find, const std::vector< std::string > &replace)
void	openglsupport_test_loop ()
	EIGEN_DECLARE_TEST (openglsupport)

Macro Definition Documentation

VERIFY_MATRIX

#define VERIFY_MATRIX	(		CODE,
			REF
	)

Value:

    { \
    glMatrixMode(GL_MODELVIEW); \
    glLoadIdentity(); \
    CODE; \
    Matrix<float,4,4,ColMajor> m; m.setZero(); \
    glGet(GL_MODELVIEW_MATRIX, m); \
    if(!(REF).cast<float>().isApprox(m)) { \
      std::cerr << "Expected:\n" << ((REF).cast<float>()) << "\n" << "got\n" << m << "\n\n"; \
    } \
    VERIFY_IS_APPROX((REF).cast<float>(), m); \
  }

VERIFY_UNIFORM

#define VERIFY_UNIFORM	(		SUFFIX,
			NAME,
			TYPE
	)

Value:

    { \
    TYPE value; value.setRandom(); \
    TYPE data; \
    int loc = glGetUniformLocation(prg_id, #NAME); \
    VERIFY((loc!=-1) && "uniform not found"); \
    glUniform(loc,value); \
    EIGEN_CAT(glGetUniform,SUFFIX)(prg_id,loc,data.data()); \
    if(!value.isApprox(data)) { \
      std::cerr << "Expected:\n" << value << "\n" << "got\n" << data << "\n\n"; \
    } \
    VERIFY_IS_APPROX(value, data); \
  }

VERIFY_UNIFORMi

#define VERIFY_UNIFORMi	(		NAME,
			TYPE
	)

Value:

    { \
    TYPE value = TYPE::Random().eval().cast<float>().cast<TYPE::Scalar>(); \
    TYPE data; \
    int loc = glGetUniformLocation(prg_id, #NAME); \
    VERIFY((loc!=-1) && "uniform not found"); \
    glUniform(loc,value); \
    glGetUniformiv(prg_id,loc,(GLint*)data.data()); \
    if(!value.isApprox(data)) { \
      std::cerr << "Expected:\n" << value << "\n" << "got\n" << data << "\n\n"; \
    } \
    VERIFY_IS_APPROX(value, data); \
  }

Function Documentation

createProgram() [1/2]

GLint createProgram	(	const char *	vtx,
		const char *	frg,
		bool	print_errors = true
	)

createProgram() [2/2]

GLint createProgram	(	const std::string &	vtx,
		const std::string &	frg,
		bool	print_errors = true
	)

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

openglsupport

)

find_and_replace()

void find_and_replace	(	std::string &	str,
		const std::string &	find,
		const std::string &	replace
	)

format()

std::string format	(	const std::string &	str,
		const std::vector< std::string > &	find,
		const std::vector< std::string > &	replace
	)

getGlslVersionString()

std::string getGlslVersionString	(	int	gl_major_version,
		int	gl_minor_version
	)

openglsupport_test_loop()

void openglsupport_test_loop

(

)

printProgramInfoLog()

void printProgramInfoLog

(

GLuint

objectID

)

printShaderInfoLog()

void printShaderInfoLog

(

GLuint

objectID

)