Archive 19/01/2023.

Batch triangle limit

sabotage3d

When I draw custom geometry with more than 50k triangle in single batch anything drawn after that is not displaying. Is there a limit of the number of triangles per batch? My class inherits from Drawable and the geometry type is set to GEOM_STATIC.

1vanK

try enable largeIndices for IndexBuffer

sabotage3d

I just tried it but when enabled it didn’t display anything at all. Have anyone tried it before?

1vanK

Without code I can not guess

sabotage3d

This is the relevant part.

batches_[batchIndex_].geometryType_ = GEOM_TRAIL_FACE_CAMERA;

mask =  MASK_POSITION | MASK_COLOR | MASK_TEXCOORD1 | MASK_TANGENT | MASK_OBJECTINDEX;

indexBuffer_->SetSize(numPoints_ - 1), true, false);
vertexBuffer_->SetSize(numPoints_, mask, true);

unsigned short* dest = (unsigned short*)indexBuffer_->Lock(0, numPoints_ - 1), true);
if (!dest)
    return;

Lumak

greater than 64k indices

unsigned* dest = (unsigned*)indexBuffer_->Lock(0, numPoints_ - 1), true);

sabotage3d

Thank you. The combination of largeIndices with unsigned instead of unsigned short worked.