//---------------------------------------------------------------------
GLHardwareBufferManagerBase::GLHardwareBufferManagerBase()
: mScratchBufferPool(NULL), mMapBufferThreshold(OGRE_GL_DEFAULT_MAP_BUFFER_THRESHOLD)
{
mStateCacheManager = dynamic_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem())->getGLSupportRef()->getStateCacheManager();
// Init scratch pool
// TODO make it a configurable size?
// 32-bit aligned buffer
mScratchBufferPool = static_cast<char*>(OGRE_MALLOC_ALIGN(SCRATCH_POOL_SIZE, MEMCATEGORY_GEOMETRY, SCRATCH_ALIGNMENT));
GLScratchBufferAlloc* ptrAlloc = (GLScratchBufferAlloc*)mScratchBufferPool;
ptrAlloc->size = SCRATCH_POOL_SIZE - sizeof(GLScratchBufferAlloc);
ptrAlloc->free = 1;
// non-Win32 machines are having issues glBufferSubData, looks like buffer corruption
// disable for now until we figure out where the problem lies
# if OGRE_PLATFORM != OGRE_PLATFORM_WIN32
mMapBufferThreshold = 0;
# endif
// Win32 machines with ATI GPU are having issues glMapBuffer, looks like buffer corruption
// disable for now until we figure out where the problem lies
# if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
if (Root::getSingleton().getRenderSystem()->getCapabilities()->getVendor() == GPU_AMD)
{
mMapBufferThreshold = 0xffffffffUL /* maximum unsigned long value */;
}
# endif
}
//---------------------------------------------------------------------
GLHardwareBufferManagerBase::GLHardwareBufferManagerBase()
: mScratchBufferPool(NULL), mMapBufferThreshold(OGRE_GL_DEFAULT_MAP_BUFFER_THRESHOLD)
{
mRenderSystem = static_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem());
// Init scratch pool
// TODO make it a configurable size?
// 32-bit aligned buffer
mScratchBufferPool = static_cast<char*>(OGRE_MALLOC_ALIGN(SCRATCH_POOL_SIZE, MEMCATEGORY_GEOMETRY, SCRATCH_ALIGNMENT));
GLScratchBufferAlloc* ptrAlloc = (GLScratchBufferAlloc*)mScratchBufferPool;
ptrAlloc->size = SCRATCH_POOL_SIZE - sizeof(GLScratchBufferAlloc);
ptrAlloc->free = 1;
mMapBufferThreshold = 0;
}
GLESHardwareBufferManagerBase::GLESHardwareBufferManagerBase()
{
// Init scratch pool
// TODO make it a configurable size?
// 32-bit aligned buffer
mScratchBufferPool = static_cast<char*>(OGRE_MALLOC_ALIGN(SCRATCH_POOL_SIZE,
MEMCATEGORY_GEOMETRY,
SCRATCH_ALIGNMENT));
GLESScratchBufferAlloc* ptrAlloc = (GLESScratchBufferAlloc*)mScratchBufferPool;
ptrAlloc->size = SCRATCH_POOL_SIZE - sizeof(GLESScratchBufferAlloc);
ptrAlloc->free = 1;
// non-Win32 machines are having issues glBufferSubData, looks like buffer corruption
// disable for now until we figure out where the problem lies
# if OGRE_PLATFORM != OGRE_PLATFORM_WIN32
mMapBufferThreshold = 0;
# endif
}
