diff options
Diffstat (limited to 'indra/newview/llspatialpartition.cpp')
| -rw-r--r-- | indra/newview/llspatialpartition.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp index 06604fba6f..10cdea1c09 100644 --- a/indra/newview/llspatialpartition.cpp +++ b/indra/newview/llspatialpartition.cpp @@ -280,6 +280,37 @@ U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center) return (U8*) (sOcclusionIndices+cypher*8); } +//create a vertex buffer for efficiently rendering cubes +LLVertexBuffer* ll_create_cube_vb(U32 type_mask, U32 usage) +{ + LLVertexBuffer* ret = new LLVertexBuffer(type_mask, usage); + + ret->allocateBuffer(8, 64, true); + + LLStrider<LLVector3> pos; + LLStrider<U16> idx; + + ret->getVertexStrider(pos); + ret->getIndexStrider(idx); + + pos[0] = LLVector3(-1,-1,-1); + pos[1] = LLVector3(-1,-1, 1); + pos[2] = LLVector3(-1, 1,-1); + pos[3] = LLVector3(-1, 1, 1); + pos[4] = LLVector3( 1,-1,-1); + pos[5] = LLVector3( 1,-1, 1); + pos[6] = LLVector3( 1, 1,-1); + pos[7] = LLVector3( 1, 1, 1); + + for (U32 i = 0; i < 64; i++) + { + idx[i] = sOcclusionIndices[i]; + } + + ret->flush(); + + return ret; +} static LLFastTimer::DeclareTimer FTM_BUILD_OCCLUSION("Build Occlusion"); |