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Handle vertex & index VBOs separately in GL drivers

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This commit is contained in:
sfan5 2024-08-28 19:35:28 +02:00
parent be9aa19208
commit 6b7fc1e9fe
7 changed files with 346 additions and 283 deletions
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83
irr/src/CNullDriver.cpp
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@ -1109,19 +1109,20 @@ void CNullDriver::getFog(SColor &color, E_FOG_TYPE &fogType, f32 &start, f32 &en
rangeFog = RangeFog;
}
//! Draws a mesh buffer
void CNullDriver::drawMeshBuffer(const scene::IMeshBuffer *mb)
void CNullDriver::drawBuffers(const scene::IVertexBuffer *vb,
const scene::IIndexBuffer *ib, u32 primCount,
scene::E_PRIMITIVE_TYPE pType)
{
if (!mb)
if (!vb || !ib)
return;
// IVertexBuffer and IIndexBuffer later
SHWBufferLink *HWBuffer = getBufferLink(mb);
if (vb->getHWBuffer() || ib->getHWBuffer()) {
// subclass is supposed to override this if it supports hw buffers
_IRR_DEBUG_BREAK_IF(1);
}
if (HWBuffer)
drawHardwareBuffer(HWBuffer);
else
drawVertexPrimitiveList(mb->getVertices(), mb->getVertexCount(), mb->getIndices(), mb->getPrimitiveCount(), mb->getVertexType(), mb->getPrimitiveType(), mb->getIndexType());
drawVertexPrimitiveList(vb->getData(), vb->getCount(), ib->getData(),
primCount, vb->getType(), pType, ib->getType());
}
//! Draws the normals of a mesh buffer
@ -1140,17 +1141,30 @@ void CNullDriver::drawMeshBufferNormals(const scene::IMeshBuffer *mb, f32 length
}
}
CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IMeshBuffer *mb)
CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IVertexBuffer *vb)
{
if (!mb || !isHardwareBufferRecommend(mb))
if (!vb || !isHardwareBufferRecommend(vb))
return 0;
// search for hardware links
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(mb->getHWBuffer());
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(vb->getHWBuffer());
if (HWBuffer)
return HWBuffer;
return createHardwareBuffer(mb); // no hardware links, and mesh wants one, create it
return createHardwareBuffer(vb); // no hardware links, and mesh wants one, create it
}
CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IIndexBuffer *ib)
{
if (!ib || !isHardwareBufferRecommend(ib))
return 0;
// search for hardware links
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(ib->getHWBuffer());
if (HWBuffer)
return HWBuffer;
return createHardwareBuffer(ib); // no hardware links, and mesh wants one, create it
}
//! Update all hardware buffers, remove unused ones
@ -1161,8 +1175,13 @@ void CNullDriver::updateAllHardwareBuffers()
SHWBufferLink *Link = *it;
++it;
if (!Link->MeshBuffer || Link->MeshBuffer->getReferenceCount() == 1)
deleteHardwareBuffer(Link);
if (Link->IsVertex) {
if (!Link->VertexBuffer || Link->VertexBuffer->getReferenceCount() == 1)
deleteHardwareBuffer(Link);
} else {
if (!Link->IndexBuffer || Link->IndexBuffer->getReferenceCount() == 1)
deleteHardwareBuffer(Link);
}
}
}
@ -1174,12 +1193,20 @@ void CNullDriver::deleteHardwareBuffer(SHWBufferLink *HWBuffer)
delete HWBuffer;
}
//! Remove hardware buffer
void CNullDriver::removeHardwareBuffer(const scene::IMeshBuffer *mb)
void CNullDriver::removeHardwareBuffer(const scene::IVertexBuffer *vb)
{
if (!mb)
if (!vb)
return;
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(mb->getHWBuffer());
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(vb->getHWBuffer());
if (HWBuffer)
deleteHardwareBuffer(HWBuffer);
}
void CNullDriver::removeHardwareBuffer(const scene::IIndexBuffer *ib)
{
if (!ib)
return;
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink *>(ib->getHWBuffer());
if (HWBuffer)
deleteHardwareBuffer(HWBuffer);
}
@ -1191,12 +1218,24 @@ void CNullDriver::removeAllHardwareBuffers()
deleteHardwareBuffer(HWBufferList.front());
}
bool CNullDriver::isHardwareBufferRecommend(const scene::IMeshBuffer *mb)
bool CNullDriver::isHardwareBufferRecommend(const scene::IVertexBuffer *vb)
{
if (!mb || (mb->getHardwareMappingHint_Index() == scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex() == scene::EHM_NEVER))
if (!vb || vb->getHardwareMappingHint() == scene::EHM_NEVER)
return false;
if (mb->getVertexCount() < MinVertexCountForVBO)
if (vb->getCount() < MinVertexCountForVBO)
return false;
return true;
}
bool CNullDriver::isHardwareBufferRecommend(const scene::IIndexBuffer *ib)
{
if (!ib || ib->getHardwareMappingHint() == scene::EHM_NEVER)
return false;
// This is a bit stupid
if (ib->getCount() < MinVertexCountForVBO * 3)
return false;
return true;