void LLVertexBuffer::destroyGLBuffer()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_BUFFER);
if (mGLBuffer)
{
if (useVBOs())
{
freeClientBuffer() ;
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped!" << llendl;
}
releaseBuffer();
}
else
{
delete [] mMappedData;
mMappedData = NULL;
mEmpty = TRUE;
}
sAllocatedBytes -= getSize();
}
mGLBuffer = 0;
unbind();
}
void LLVertexBuffer::destroyGLIndices()
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mGLIndices)
{
if (useVBOs())
{
freeClientBuffer() ;
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped." << llendl;
}
releaseIndices();
}
else
{
delete [] mMappedIndexData;
mMappedIndexData = NULL;
mEmpty = TRUE;
}
sAllocatedBytes -= getIndicesSize();
}
mGLIndices = 0;
unbind();
}
void LLVertexBuffer::destroyGLBuffer()
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mGLBuffer)
{
if (useVBOs())
{
freeClientBuffer() ;
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped!" << llendl;
}
releaseBuffer();
}
else
{
ll_aligned_free_16((void*)mMappedData);
mMappedData = NULL;
mEmpty = TRUE;
}
sAllocatedBytes -= getSize();
}
mGLBuffer = 0;
//unbind();
}
void LLVertexBuffer::unmapBuffer(S32 type)
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (!useVBOs())
{
return ; //nothing to unmap
}
bool updated_all = false ;
if (mMappedData && mVertexLocked && type != TYPE_INDEX)
{
updated_all = (mIndexLocked && type < 0) ; //both vertex and index buffers done updating
if(sDisableVBOMapping)
{
stop_glerror();
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), (void*)mMappedData);
stop_glerror();
}
else
{
stop_glerror();
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
stop_glerror();
mMappedData = NULL;
}
mVertexLocked = FALSE ;
sMappedCount--;
}
if(mMappedIndexData && mIndexLocked && (type < 0 || type == TYPE_INDEX))
{
if(sDisableVBOMapping)
{
stop_glerror();
glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), (void*)mMappedIndexData);
stop_glerror();
}
else
{
stop_glerror();
glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
stop_glerror();
mMappedIndexData = NULL ;
}
mIndexLocked = FALSE ;
sMappedCount--;
}
if(updated_all)
{
if(mUsage == GL_STATIC_DRAW_ARB)
{
//static draw buffers can only be mapped a single time
//throw out client data (we won't be using it again)
mEmpty = TRUE;
mFinal = TRUE;
if(sDisableVBOMapping)
{
freeClientBuffer() ;
}
}
else
{
mEmpty = FALSE;
}
}
}
void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
{
mRequestedNumVerts = newnverts;
mRequestedNumIndices = newnindices;
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
mDynamicSize = TRUE;
if (mUsage == GL_STATIC_DRAW_ARB)
{ //always delete/allocate static buffers on resize
destroyGLBuffer();
destroyGLIndices();
allocateBuffer(newnverts, newnindices, TRUE);
mFinal = FALSE;
}
else if (newnverts > mNumVerts || newnindices > mNumIndices ||
newnverts < mNumVerts/2 || newnindices < mNumIndices/2)
{
sAllocatedBytes -= getSize() + getIndicesSize();
S32 oldsize = getSize();
S32 old_index_size = getIndicesSize();
updateNumVerts(newnverts);
updateNumIndices(newnindices);
S32 newsize = getSize();
S32 new_index_size = getIndicesSize();
sAllocatedBytes += newsize + new_index_size;
if (newsize)
{
if (!mGLBuffer)
{ //no buffer exists, create a new one
createGLBuffer();
}
else
{
//delete old buffer, keep GL buffer for now
if (!useVBOs())
{
volatile U8* old = mMappedData;
mMappedData = new U8[newsize];
if (old)
{
memcpy((void*)mMappedData, (void*)old, llmin(newsize, oldsize));
if ((newsize > oldsize) && !sOmitBlank)
{
memset((void*)(mMappedData+oldsize), 0, newsize-oldsize);
}
delete [] old;
}
else
{
if (!sOmitBlank) memset((void*)mMappedData, 0, newsize);
mEmpty = TRUE;
}
}
mResized = TRUE;
}
}
else if (mGLBuffer)
{
destroyGLBuffer();
}
if (new_index_size)
{
if (!mGLIndices)
{
createGLIndices();
}
else
{
if (!useVBOs())
{
//delete old buffer, keep GL buffer for now
volatile U8* old = mMappedIndexData;
mMappedIndexData = new U8[new_index_size];
if (old)
{
memcpy((void*)mMappedIndexData, (void*)old, llmin(new_index_size, old_index_size));
if ((new_index_size > old_index_size) && !sOmitBlank)
{
memset((void*)(mMappedIndexData+old_index_size), 0, new_index_size - old_index_size);
}
delete [] old;
}
else
{
if (!sOmitBlank) memset((void*)mMappedIndexData, 0, new_index_size);
mEmpty = TRUE;
}
}
mResized = TRUE;
}
}
else if (mGLIndices)
{
destroyGLIndices();
}
}
if (mResized && useVBOs())
{
freeClientBuffer() ;
setBuffer(0);
}
}