void RAS_BucketManager::RenderAlphaBuckets(
const MT_Transform& cameratrans, RAS_IRasterizer* rasty, RAS_IRenderTools* rendertools)
{
vector<sortedmeshslot> slots;
vector<sortedmeshslot>::iterator sit;
// Having depth masks disabled/enabled gives different artifacts in
// case no sorting is done or is done inexact. For compatibility, we
// disable it.
rasty->SetDepthMask(RAS_IRasterizer::KX_DEPTHMASK_DISABLED);
OrderBuckets(cameratrans, m_AlphaBuckets, slots, true);
for(sit=slots.begin(); sit!=slots.end(); ++sit) {
rendertools->SetClientObject(rasty, sit->m_ms->m_clientObj);
while(sit->m_bucket->ActivateMaterial(cameratrans, rasty, rendertools))
sit->m_bucket->RenderMeshSlot(cameratrans, rasty, rendertools, *(sit->m_ms));
// make this mesh slot culled automatically for next frame
// it will be culled out by frustrum culling
sit->m_ms->SetCulled(true);
}
rasty->SetDepthMask(RAS_IRasterizer::KX_DEPTHMASK_ENABLED);
}
void RAS_BucketManager::RenderSolidBuckets(
const MT_Transform& cameratrans, RAS_IRasterizer* rasty, RAS_IRenderTools* rendertools)
{
BucketList::iterator bit;
rasty->SetDepthMask(RAS_IRasterizer::KX_DEPTHMASK_ENABLED);
for (bit = m_SolidBuckets.begin(); bit != m_SolidBuckets.end(); ++bit) {
#if 1
RAS_MaterialBucket* bucket = *bit;
RAS_MeshSlot* ms;
// remove the mesh slot form the list, it culls them automatically for next frame
while((ms = bucket->GetNextActiveMeshSlot()))
{
rendertools->SetClientObject(rasty, ms->m_clientObj);
while (bucket->ActivateMaterial(cameratrans, rasty, rendertools))
bucket->RenderMeshSlot(cameratrans, rasty, rendertools, *ms);
// make this mesh slot culled automatically for next frame
// it will be culled out by frustrum culling
ms->SetCulled(true);
}
#else
list<RAS_MeshSlot>::iterator mit;
for (mit = (*bit)->msBegin(); mit != (*bit)->msEnd(); ++mit) {
if (mit->IsCulled())
continue;
rendertools->SetClientObject(rasty, mit->m_clientObj);
while ((*bit)->ActivateMaterial(cameratrans, rasty, rendertools))
(*bit)->RenderMeshSlot(cameratrans, rasty, rendertools, *mit);
// make this mesh slot culled automatically for next frame
// it will be culled out by frustrum culling
mit->SetCulled(true);
}
#endif
}
/* this code draws meshes order front-to-back instead to reduce overdraw.
* it turned out slower due to much material state switching, a more clever
* algorithm might do better. */
#if 0
vector<sortedmeshslot> slots;
vector<sortedmeshslot>::iterator sit;
OrderBuckets(cameratrans, m_SolidBuckets, slots, false);
for(sit=slots.begin(); sit!=slots.end(); ++sit) {
rendertools->SetClientObject(rasty, sit->m_ms->m_clientObj);
while(sit->m_bucket->ActivateMaterial(cameratrans, rasty, rendertools))
sit->m_bucket->RenderMeshSlot(cameratrans, rasty, rendertools, *(sit->m_ms));
}
#endif
}
void RAS_BucketManager::RenderSortedBuckets(const MT_Transform& cameratrans, RAS_IRasterizer *rasty, RAS_BucketManager::BucketType bucketType)
{
std::vector<sortedmeshslot> slots;
std::vector<sortedmeshslot>::iterator sit;
OrderBuckets(cameratrans, bucketType, slots, true, rasty);
// Discard if there's no mesh slots.
if (slots.size() == 0) {
return;
}
// The last display array and material bucket used to avoid double calls.
RAS_DisplayArrayBucket *lastDisplayArrayBucket = NULL;
RAS_MaterialBucket *lastMaterialBucket = NULL;
bool matactivated = false;
for (sit = slots.begin(); sit != slots.end(); ++sit) {
RAS_MaterialBucket *bucket = sit->m_bucket;
RAS_DisplayArrayBucket *displayArrayBucket = sit->m_ms->m_displayArrayBucket;
/* Unbind display array here before unset material to use the proper
* number of attributs in storage unbind since this variable is
* global and mutated by all material during its activation.
*/
if (displayArrayBucket != lastDisplayArrayBucket && lastDisplayArrayBucket) {
rasty->UnbindPrimitives(lastDisplayArrayBucket);
}
if (bucket != lastMaterialBucket) {
if (matactivated) {
lastMaterialBucket->DesactivateMaterial(rasty);
}
matactivated = bucket->ActivateMaterial(rasty);
lastMaterialBucket = bucket;
}
/* Bind the new display array here after material activation to use
* proper attributs numbers, same as display array unbind before.
*/
if (displayArrayBucket != lastDisplayArrayBucket) {
rasty->BindPrimitives(displayArrayBucket);
lastDisplayArrayBucket = displayArrayBucket;
}
bucket->RenderMeshSlot(cameratrans, rasty, sit->m_ms);
}
// Always unbind VBO or VA before unset the material to use the correct material attributs.
rasty->UnbindPrimitives(lastDisplayArrayBucket);
if (matactivated) {
lastMaterialBucket->DesactivateMaterial(rasty);
}
}
