CGLMQuery::CGLMQuery( GLMContext *ctx, GLMQueryParams *params )
{
// make sure context is current
// get the type of query requested
// generate name(s) needed
// set initial state appropriately
ctx->MakeCurrent();
m_ctx = ctx;
m_params = *params;
m_name = 0;
m_started = m_stopped = m_done = false;
m_nullQuery = false;
// assume value of convar at start time
// does not change during individual query lifetime
// started null = stays null
// started live = stays live
switch(m_params.m_type)
{
case EOcclusion:
{
//make an occlusion query (and a fence to go with it)
glGenQueriesARB( 1, &m_name );
GLMPRINTF(("-A- CGLMQuery(OQ) created name %d", m_name));
GLenum errorcode = GetQueryError();
if (errorcode)
{
const char *decodedStr = GLMDecode( eGL_ERROR, errorcode );
printf( "\nCGLMQuery::CGLMQuery (OQ) saw %s error (%d) from glGenQueriesARB", decodedStr, errorcode );
m_name = 0;
}
}
break;
case EFence:
//make a fence - no aux fence needed
glGenFencesAPPLE(1, &m_name );
GLMPRINTF(("-A- CGLMQuery(fence) created name %d", m_name));
GLenum errorcode = GetQueryError();
if (errorcode)
{
const char *decodedStr = GLMDecode( eGL_ERROR, errorcode );
printf( "\nCGLMQuery::CGLMQuery (fence) saw %s error (%d) from glGenFencesAPPLE", decodedStr, errorcode );
m_name = 0;
}
break;
}
}
static void initialize_opengl_sync() {
check_opengl_sync_capabilities();
decide_opengl_sync_method();
#ifdef USE_GLES
#else
if (g_has_nv_fence) {
glGenFencesNV(1, &g_fence);
CHECK_GL_ERROR_MSG("glGenFencesNV(1, &g_fence)");
}
else if (g_has_apple_fence) {
glGenFencesAPPLE(1, &g_fence);
CHECK_GL_ERROR_MSG("glGenFencesAPPLE(1, &g_fence)");
}
#endif
}
void CRendererVTB::AfterRenderHook(int idx)
{
YUVBUFFER &buf = m_buffers[idx];
VTB::CVideoBufferVTB *vb = dynamic_cast<VTB::CVideoBufferVTB*>(buf.videoBuffer);
if (!vb)
{
return;
}
if (vb->m_fence && glIsFenceAPPLE(vb->m_fence))
{
glDeleteFencesAPPLE(1, &vb->m_fence);
}
glGenFencesAPPLE(1, &vb->m_fence);
glSetFenceAPPLE(vb->m_fence);
}
GFXGLAppleFence::GFXGLAppleFence(GFXDevice* device) : GFXFence(device), mIssued(false)
{
glGenFencesAPPLE(1, &mHandle);
}
void GFXGLAppleFence::resurrect()
{
glGenFencesAPPLE(1, &mHandle);
}