/// Installs the @p callback and remembers the previous
LogSink(Callback callback)
: _callback(callback)
, _prev_callback(nullptr)
, _prev_context(nullptr)
{
// get the previous callback
GLDEBUGPROC _tmp_callback = nullptr;
void** _tmp_ptr=reinterpret_cast<void**>(&_tmp_callback);
OGLPLUS_GLFUNC(GetPointerv)(
GL_DEBUG_CALLBACK_FUNCTION,
_tmp_ptr
);
OGLPLUS_IGNORE(GetPointerv);
_prev_callback = _tmp_callback;
//get the previous context
OGLPLUS_GLFUNC(GetPointerv)(
GL_DEBUG_CALLBACK_USER_PARAM,
&_prev_context
);
OGLPLUS_IGNORE(GetPointerv);
OGLPLUS_GLFUNC(DebugMessageCallback)(
GLDEBUGPROC(&LogSink::_gl_debug_proc),
static_cast<void*>(this)
);
OGLPLUS_VERIFY_SIMPLE(DebugMessageCallback);
}
/**
* Initialize the renderer
* @param width Width of the window
* @param height Height of the window
* @return True if the renderer successfully init
*/
bool Renderer::Init(unsigned int pWidth, unsigned int pHeight, UiFunction* pUiFunctionPtr)
{
_uiFunctionPtr = pUiFunctionPtr;
_width = pWidth;
_height = pHeight;
glbinding::Binding::initialize();
//Get context info
Log("GL Info : ");
Log(ToString(glGetString(GL_VENDOR)));
Log(ToString(glGetString(GL_RENDERER)));
Log(ToString(glGetString(GL_VERSION)));
Log(ToString(glGetString(GL_SHADING_LANGUAGE_VERSION)));
debugProc = GLDEBUGPROC(&DebugProc);
glDebugMessageCallback(debugProc, nullptr);
glCullFace(GL_BACK);
glFrontFace(GL_CCW);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glClearColor(0, 0, 0, 1);
glClearDepthf(1.0);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
glGenVertexArrays(1, &_baseVAO);
SetupPrograms();
SetupBuffers();
///TODO : Check for ATI memory info
std::set<GLextension> extensions = ContextInfo::extensions();
if (extensions.find(GLextension::GL_NVX_gpu_memory_info) != extensions.end())
{
GLint memory = 0;
glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &memory);
Log("Dedicated video memory, total size(in kb) of the GPU memory : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &memory);
Log("Total available memory, total size(in Kb) of the memory available for allocations : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &memory);
Log("Current available dedicated video memory(in kb), currently unused GPU memory : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX, &memory);
Log("Count of total evictions seen by system : " + ToString(memory));
glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX, &memory);
Log("Size of total video memory evicted(in kb) : " + ToString(memory));
}
CheckGLError();
_uiPtr = nullptr;
_menuPtr = nullptr;
return true;
}
