bool RenderDevice::bindBuffers(RenderBatch* renderable)
{
BufferManager* buffers = activeContext->bufferManager;
GeometryBuffer* gb = renderable->getGeometryBuffer().get();
VertexBuffer* vb = buffers->getVertexBuffer(gb).get();
IndexBuffer* ib = buffers->getIndexBuffer(gb).get();
if( !vb ) return false;
if( !vb->isBuilt() || gb->needsRebuild )
{
// If the vertex buffer is not built yet, then we build it.
renderBackend->buildVertexBuffer(vb);
}
renderBackend->bindVertexBuffer(vb);
// If there is no index buffer associated with the geometry, we are done.
if( !ib ) goto done;
renderBackend->bindIndexBuffer(ib);
if( !ib->isBuilt || gb->needsRebuild )
{
// If the index buffer is not built, we also need to build it.
renderBackend->buildIndexBuffer(ib);
}
done:
gb->needsRebuild = false;
return true;
}
bool RenderDevice::unbindBuffers(RenderBatch* renderable)
{
BufferManager* buffers = activeContext->bufferManager;
const GeometryBuffer* gb = renderable->getGeometryBuffer().get();
VertexBuffer* vb = buffers->getVertexBuffer(gb).get();
if( !vb ) return false;
renderBackend->unbindVertexBuffer(vb);
IndexBuffer* ib = buffers->getIndexBuffer(gb).get();
if( ib ) renderBackend->unbindIndexBuffer(ib);
return true;
}
