void BufferObject::bind() {
glGetIntegerv(GetBindingTarget(type_), &old_);
glBindBuffer(type_, object_);
}
void MaterialBindingImpl::FlushInternalState() const
{
if( m_isInputsValid )
{
return;
}
for( InputsCache::iterator it = m_cachedInputs.begin(); m_cachedInputs.end() != it; ++it )
{
it->second.clear();
Scene *context = it->first;
const Batch *batch = GetBatch(context);
const Effect *effect = GetMaterial(context)->GetEffect(context);
for( size_t i = 0; i < effect->GetInputCount(); ++i )
{
const char *sem = effect->GetInputSemantic(i);
MaterialBinding::Target target;
if( !GetBindingTarget(sem, &target) )
{
// explicit binding is not specified, use semantic as is
target.index = -1; // target should be located at primary attribute set
target.semantic = sem;
}
bool found = false;
const VertexElementDesc *desc = NULL;
// search primary
for( size_t j = 0; j < batch->GetMesh(context)->GetPrimaryVertexElementCount() && !found; ++j )
{
desc = batch->GetMesh(context)->GetPrimaryVertexElementDescs() + j;
if( 0 == strcmp(desc->semanticName, target.semantic)
&& (-1 == target.index || batch->GetPrimarySet() == target.index) )
{
found = true;
}
}
// search extra
for( size_t j = 0; j < batch->GetExtraVertexElementCount() && !found; ++j )
{
const VertexElementDescEx *descEx = batch->GetExtraVertexElementDescs() + j;
if( 0 == strcmp(descEx->semanticName, target.semantic)
&& (-1 == target.index || descEx->semanticIndex == target.index) )
{
desc = descEx;
found = true;
}
}
if( !found )
{
printf("WARNING! semantic \"%s/%d\" not found in vertex declaration\n", target.semantic, target.index);
// TODO: search for any compatible vertex attribute
}
assert(desc);
if( desc )
{
VertexElementDesc requiredInput;
requiredInput.componentType = desc->componentType;
requiredInput.componentCount = desc->componentCount;
requiredInput.inputSlot = desc->inputSlot;
requiredInput.semanticName = sem;
it->second.push_back(requiredInput);
}
}
}
m_isInputsValid = true;
}
