void GLBackend::init() {
static std::once_flag once;
std::call_once(once, [] {
QString vendor{ (const char*)glGetString(GL_VENDOR) };
QString renderer{ (const char*)glGetString(GL_RENDERER) };
qCDebug(gpugllogging) << "GL Version: " << QString((const char*) glGetString(GL_VERSION));
qCDebug(gpugllogging) << "GL Shader Language Version: " << QString((const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
qCDebug(gpugllogging) << "GL Vendor: " << vendor;
qCDebug(gpugllogging) << "GL Renderer: " << renderer;
GPUIdent* gpu = GPUIdent::getInstance(vendor, renderer);
// From here on, GPUIdent::getInstance()->getMumble() should efficiently give the same answers.
qCDebug(gpugllogging) << "GPU:";
qCDebug(gpugllogging) << "\tcard:" << gpu->getName();
qCDebug(gpugllogging) << "\tdriver:" << gpu->getDriver();
qCDebug(gpugllogging) << "\tdedicated memory:" << gpu->getMemory() << "MB";
#if !defined(USE_GLES)
qCDebug(gpugllogging, "V-Sync is %s\n", (::gl::getSwapInterval() > 0 ? "ON" : "OFF"));
#endif
#if THREADED_TEXTURE_BUFFERING
// This has to happen on the main thread in order to give the thread
// pool a reasonable parent object
GLVariableAllocationSupport::TransferJob::startBufferingThread();
#endif
});
}
void AndroidInstance::enumerateGpu() {
GPUIdent* ident = GPUIdent::getInstance();
json gpu = {};
gpu[keys::gpu::vendor] = ident->getName().toUtf8().constData();
gpu[keys::gpu::model] = ident->getName().toUtf8().constData();
gpu[keys::gpu::videoMemory] = ident->getMemory();
gpu[keys::gpu::driver] = ident->getDriver().toUtf8().constData();
_gpu.push_back(gpu);
_display = ident->getOutput();
}
void GLBackend::init() {
static std::once_flag once;
std::call_once(once, [] {
QString vendor{ (const char*)glGetString(GL_VENDOR) };
QString renderer{ (const char*)glGetString(GL_RENDERER) };
qCDebug(gpugllogging) << "GL Version: " << QString((const char*) glGetString(GL_VERSION));
qCDebug(gpugllogging) << "GL Shader Language Version: " << QString((const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
qCDebug(gpugllogging) << "GL Vendor: " << vendor;
qCDebug(gpugllogging) << "GL Renderer: " << renderer;
GPUIdent* gpu = GPUIdent::getInstance(vendor, renderer);
// From here on, GPUIdent::getInstance()->getMumble() should efficiently give the same answers.
qCDebug(gpugllogging) << "GPU:";
qCDebug(gpugllogging) << "\tcard:" << gpu->getName();
qCDebug(gpugllogging) << "\tdriver:" << gpu->getDriver();
qCDebug(gpugllogging) << "\tdedicated memory:" << gpu->getMemory() << "MB";
glewExperimental = true;
GLenum err = glewInit();
glGetError(); // clear the potential error from glewExperimental
if (GLEW_OK != err) {
// glewInit failed, something is seriously wrong.
qCDebug(gpugllogging, "Error: %s\n", glewGetErrorString(err));
}
qCDebug(gpugllogging, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION));
#if defined(Q_OS_WIN)
if (wglewGetExtension("WGL_EXT_swap_control")) {
int swapInterval = wglGetSwapIntervalEXT();
qCDebug(gpugllogging, "V-Sync is %s\n", (swapInterval > 0 ? "ON" : "OFF"));
}
#endif
#if defined(Q_OS_LINUX)
// TODO: Write the correct code for Linux...
/* if (wglewGetExtension("WGL_EXT_swap_control")) {
int swapInterval = wglGetSwapIntervalEXT();
qCDebug(gpugllogging, "V-Sync is %s\n", (swapInterval > 0 ? "ON" : "OFF"));
}*/
#endif
#if THREADED_TEXTURE_BUFFERING
// This has to happen on the main thread in order to give the thread
// pool a reasonable parent object
GLVariableAllocationSupport::TransferJob::startBufferingThread();
#endif
});
}