C++ (Cpp) checkGlErrors Exemples

Exemple #1

Fichier : screen_buffer.cpp Projet : loewj/CSC-385_project1

void ScreenBuffer::drawPixel(int x, int y, double intensity)
{
    int leftx = x * pixelWidth;
    int rightx = leftx + pixelWidth;
    int bottomy = y * pixelHeight;
    int topy = bottomy + pixelHeight;
    
    int p1 [] = {leftx , bottomy};
    int p2 [] = {leftx , topy};
    int p3 [] = {rightx , topy};
    int p4 [] = {rightx , bottomy};

    // cout << "dimensions of pixel square are: "
    //      << p1[0] << ", " << p1[1]
    //      << " -- "
    //      << p3[0] << ", " << p3[1] << "\n";

    glColor3d(intensity, intensity, intensity);
    glBegin (GL_POLYGON);
        glVertex2iv ( p1 );
        glVertex2iv ( p4 );
        glVertex2iv ( p3 );
        glVertex2iv ( p2 );
    glEnd();

    checkGlErrors();
}

Exemple #2

Fichier : Program.cpp Projet : BaZzz01010101/TxCube

bool Program::attachShader(const Shader & shader)
{
  if (!id)
  {
    id = glCreateProgram();

    if (checkGlErrors())
      return false;
  }

  glAttachShader(id, shader.getId());

  if (checkGlErrors())
    return false;

  return true;
}

Exemple #3

Fichier : main.cpp Projet : BackupTheBerlios/lincity-ng-svn

void flipScreenBuffer()
{
    if( getConfig()->useOpenGL ){
        checkGlErrors();
        SDL_GL_SwapBuffers();
        //glClear(GL_COLOR_BUFFER_BIT);
    } else {
        SDL_Flip(SDL_GetVideoSurface());
    }
}

Exemple #4

Fichier : GlObject.cpp Projet : S-ngularity/ProjetoCG_Bombersauro

GlObject::GlObject(NormalShader *s, int nVerts, GLfloat *vetPos, GLfloat *vetColor, int nNormals, GLfloat *vetNormals)
{
	shader = s;
	numVerts = nVerts;
	numNormals = nNormals;
	modelMatrix = glm::mat4(1.f);

	glBindBuffer(GL_ARRAY_BUFFER, vboPos);
	glBufferData(GL_ARRAY_BUFFER, 3*numVerts*sizeof(GLfloat), vetPos, GL_STATIC_DRAW);
	checkGlErrors();

	glBindBuffer(GL_ARRAY_BUFFER, vboColor);
	glBufferData(GL_ARRAY_BUFFER, 3*numVerts*sizeof(GLfloat), vetColor, GL_STATIC_DRAW);
	checkGlErrors();

	glBindBuffer(GL_ARRAY_BUFFER, vboNormals);
	glBufferData(GL_ARRAY_BUFFER, 3*numNormals*sizeof(GLfloat), vetNormals, GL_STATIC_DRAW);
	checkGlErrors();
}

Exemple #5

Fichier : Program.cpp Projet : BaZzz01010101/TxCube

bool Program::link()
{
  GLint Result = GL_FALSE;

  if (!id)
  {
    setErrMsg("No shaders to link");
    return false;
  }

  glLinkProgram(id);

  if (checkGlErrors())
    return false;

  glGetProgramiv(id, GL_LINK_STATUS, &Result);

  if (checkGlErrors())
    return false;

  if (Result == GL_FALSE)
  {
    int length = 0;
    glGetProgramiv(id, GL_INFO_LOG_LENGTH, &length);

    if (checkGlErrors())
      return false;
    
    errMsg.resize(length);
    glGetProgramInfoLog(id, length, NULL, &errMsg.front());

    checkGlErrors();

    errorFlagged = true;
    return false;
  }

  errorFlagged = false;
  return true;
}

Exemple #6

Fichier : Program.cpp Projet : BaZzz01010101/TxCube

bool Program::use()
{
  glUseProgram(id);

  return (!checkGlErrors());
}