openglsupport.cpp File Reference

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

Include dependency graph for openglsupport.cpp:

Go to the source code of this file.

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

Functions
GLint	createShader (const char *vtx, const char *frg)
void	printInfoLog (GLuint objectID)
void	test_openglsupport ()

Macro Definition Documentation

#define VERIFY_MATRIX	(		CODE,
			REF
	)

Value:

{ \
    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); \
  }

Definition at line 20 of file openglsupport.cpp.

#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); \
  }

Definition at line 31 of file openglsupport.cpp.

#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); \
  }

Definition at line 44 of file openglsupport.cpp.

Function Documentation

GLint createShader	(	const char *	vtx,
		const char *	frg
	)

Definition at line 72 of file openglsupport.cpp.

void printInfoLog

(

GLuint

objectID

)

Definition at line 57 of file openglsupport.cpp.

void test_openglsupport

(

)

Definition at line 109 of file openglsupport.cpp.