C++ (Cpp) CheckOpenGLQuirks Examples

Example #1

File: RenderSystemGL.cpp Project: beermix/xbmc

bool CRenderSystemGL::InitRenderSystem()
{
  m_bVSync = false;
  m_iVSyncMode = 0;
  m_iSwapStamp = 0;
  m_iSwapTime = 0;
  m_iSwapRate = 0;
  m_bVsyncInit = false;
  m_maxTextureSize = 2048;
  m_renderCaps = 0;

  m_RenderExtensions  = " ";
  m_RenderExtensions += (const char*) glGetString(GL_EXTENSIONS);
  m_RenderExtensions += " ";

  LogGraphicsInfo();

  // Get the GL version number
  m_RenderVersionMajor = 0;
  m_RenderVersionMinor = 0;

  const char* ver = (const char*)glGetString(GL_VERSION);
  if (ver != 0)
  {
    sscanf(ver, "%d.%d", &m_RenderVersionMajor, &m_RenderVersionMinor);
    m_RenderVersion = ver;
  }

  if (IsExtSupported("GL_ARB_shading_language_100"))
  {
    ver = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
    if (ver)
    {
      sscanf(ver, "%d.%d", &m_glslMajor, &m_glslMinor);
    }
    else
    {
      m_glslMajor = 1;
      m_glslMinor = 0;
    }
  }

  // Get our driver vendor and renderer
  const char* tmpVendor = (const char*) glGetString(GL_VENDOR);
  m_RenderVendor.clear();
  if (tmpVendor != NULL)
    m_RenderVendor = tmpVendor;

  const char* tmpRenderer = (const char*) glGetString(GL_RENDERER);
  m_RenderRenderer.clear();
  if (tmpRenderer != NULL)
    m_RenderRenderer = tmpRenderer;

  // grab our capabilities
  if (IsExtSupported("GL_EXT_texture_compression_s3tc"))
    m_renderCaps |= RENDER_CAPS_DXT;

  if (IsExtSupported("GL_ARB_texture_non_power_of_two"))
  {
    m_renderCaps |= RENDER_CAPS_NPOT;
    if (m_renderCaps & RENDER_CAPS_DXT) 
      m_renderCaps |= RENDER_CAPS_DXT_NPOT;
  }
  //Check OpenGL quirks and revert m_renderCaps as needed
  CheckOpenGLQuirks();
	
  m_bRenderCreated = true;

  return true;
}

Example #2

File: RenderSystemGL.cpp Project: Sithisackt/kodi

bool CRenderSystemGL::InitRenderSystem()
{
  m_bVSync = false;
  m_iVSyncMode = 0;
  m_iSwapStamp = 0;
  m_iSwapTime = 0;
  m_iSwapRate = 0;
  m_bVsyncInit = false;
  m_maxTextureSize = 2048;
  m_renderCaps = 0;

  // init glew library
  GLenum err = glewInit();
  if (GLEW_OK != err)
  {
    // Problem: glewInit failed, something is seriously wrong
    CLog::Log(LOGERROR, "InitRenderSystem() glewInit returned %i: %s", err, glewGetErrorString(err));
    return false;
  }

  // Get the GL version number
  m_RenderVersionMajor = 0;
  m_RenderVersionMinor = 0;

  const char* ver = (const char*)glGetString(GL_VERSION);
  if (ver != 0)
  {
    sscanf(ver, "%d.%d", &m_RenderVersionMajor, &m_RenderVersionMinor);
    m_RenderVersion = ver;
  }

  if (glewIsSupported("GL_ARB_shading_language_100"))
  {
    ver = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
    if (ver)
    {
      sscanf(ver, "%d.%d", &m_glslMajor, &m_glslMinor);
    }
    else
    {
      m_glslMajor = 1;
      m_glslMinor = 0;
    }
  }

  // Get our driver vendor and renderer
  m_RenderVendor = (const char*) glGetString(GL_VENDOR);
  m_RenderRenderer = (const char*) glGetString(GL_RENDERER);

  // grab our capabilities
  if (glewIsSupported("GL_EXT_texture_compression_s3tc"))
    m_renderCaps |= RENDER_CAPS_DXT;

  if (glewIsSupported("GL_ARB_texture_non_power_of_two"))
  {
    m_renderCaps |= RENDER_CAPS_NPOT;
    if (m_renderCaps & RENDER_CAPS_DXT) 
      m_renderCaps |= RENDER_CAPS_DXT_NPOT;
  }
  //Check OpenGL quirks and revert m_renderCaps as needed
  CheckOpenGLQuirks();
	
  m_RenderExtensions  = " ";
  m_RenderExtensions += (const char*) glGetString(GL_EXTENSIONS);
  m_RenderExtensions += " ";

  LogGraphicsInfo();

  m_bRenderCreated = true;

  return true;
}

Example #3

File: RenderSystemGL.cpp Project: FLyrfors/xbmc

bool CRenderSystemGL::InitRenderSystem()
{
  m_bVSync = false;
  m_bVsyncInit = false;
  m_maxTextureSize = 2048;
  m_renderCaps = 0;

  // Get the GL version number
  m_RenderVersionMajor = 0;
  m_RenderVersionMinor = 0;
  const char* ver = (const char*)glGetString(GL_VERSION);
  if (ver != 0)
  {
    sscanf(ver, "%d.%d", &m_RenderVersionMajor, &m_RenderVersionMinor);
    m_RenderVersion = ver;
  }

  m_RenderExtensions  = " ";
  if (m_RenderVersionMajor > 3 ||
      (m_RenderVersionMajor == 3 && m_RenderVersionMinor >= 2))
  {
    GLint n;
    glGetIntegerv(GL_NUM_EXTENSIONS, &n);
    if (n > 0)
    {
      GLint i;
      for (i = 0; i < n; i++)
      {
        m_RenderExtensions += (const char*)glGetStringi(GL_EXTENSIONS, i);
        m_RenderExtensions += " ";
      }
    }
  }
  else
  {
    m_RenderExtensions += (const char*) glGetString(GL_EXTENSIONS);
  }
  m_RenderExtensions += " ";

  if (IsExtSupported("GL_ARB_shading_language_100"))
  {
    ver = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
    if (ver)
    {
      sscanf(ver, "%d.%d", &m_glslMajor, &m_glslMinor);
    }
    else
    {
      m_glslMajor = 1;
      m_glslMinor = 0;
    }
  }

  LogGraphicsInfo();

  // Get our driver vendor and renderer
  const char* tmpVendor = (const char*) glGetString(GL_VENDOR);
  m_RenderVendor.clear();
  if (tmpVendor != NULL)
    m_RenderVendor = tmpVendor;

  const char* tmpRenderer = (const char*) glGetString(GL_RENDERER);
  m_RenderRenderer.clear();
  if (tmpRenderer != NULL)
    m_RenderRenderer = tmpRenderer;

  // grab our capabilities
  if (IsExtSupported("GL_EXT_texture_compression_s3tc"))
    m_renderCaps |= RENDER_CAPS_DXT;

  if (IsExtSupported("GL_ARB_texture_non_power_of_two"))
  {
    m_renderCaps |= RENDER_CAPS_NPOT;
    if (m_renderCaps & RENDER_CAPS_DXT)
      m_renderCaps |= RENDER_CAPS_DXT_NPOT;
  }
  //Check OpenGL quirks and revert m_renderCaps as needed
  CheckOpenGLQuirks();

  m_bRenderCreated = true;

  if (m_RenderVersionMajor > 3 ||
      (m_RenderVersionMajor == 3 && m_RenderVersionMinor >= 2))
  {
    glGenVertexArrays(1, &m_vertexArray);
    glBindVertexArray(m_vertexArray);
  }

  InitialiseShader();

  return true;
}