// Map for data access
volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 access)
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mFinal)
{
llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
}
if (!useVBOs() && !mMappedData && !mMappedIndexData)
{
llerrs << "LLVertexBuffer::mapVertexBuffer() called on unallocated buffer." << llendl;
}
if (!mVertexLocked && useVBOs())
{
{
setBuffer(0, type);
mVertexLocked = TRUE;
stop_glerror();
if(sDisableVBOMapping)
{
allocateClientVertexBuffer() ;
}
else
{
mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
}
stop_glerror();
}
if (!mMappedData)
{
if(!sDisableVBOMapping)
{
//--------------------
//print out more debug info before crash
llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
GLint size ;
glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
//--------------------
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLBuffer)
{
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
}
llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
}
else
{
llerrs << "memory allocation for vertex data failed." << llendl ;
}
}
sMappedCount++;
}
return mMappedData;
}
// Map for data access
volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index)
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mFinal)
{
llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
}
if (!useVBOs() && !mMappedData && !mMappedIndexData)
{
llerrs << "LLVertexBuffer::mapVertexBuffer() called on unallocated buffer." << llendl;
}
if (!mVertexLocked && useVBOs())
{
{
setBuffer(0, type);
mVertexLocked = TRUE;
stop_glerror();
if(sDisableVBOMapping)
{
allocateClientVertexBuffer() ;
}
else
{
U8* src = NULL;
{
src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
}
mMappedData = LL_NEXT_ALIGNED_ADDRESS<U8>(src);
mAlignedOffset = mMappedData - src;
}
stop_glerror();
}
if (!mMappedData)
{
log_glerror();
//check the availability of memory
U32 avail_phy_mem, avail_vir_mem;
LLMemoryInfo::getAvailableMemoryKB(avail_phy_mem, avail_vir_mem) ;
llinfos << "Available physical mwmory(KB): " << avail_phy_mem << llendl ;
llinfos << "Available virtual memory(KB): " << avail_vir_mem << llendl;
if(!sDisableVBOMapping)
{
//--------------------
//print out more debug info before crash
llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
GLint size ;
glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
//--------------------
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLBuffer)
{
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
}
llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
}
else
{
llerrs << "memory allocation for vertex data failed." << llendl ;
}
}
sMappedCount++;
}
return mMappedData+mOffsets[type]+ (mIsStrided ? mStride : sTypeSize[type])*index;
}
