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dxgsg9: recreate vertex buffer if size was modified

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Fixes #824
This commit is contained in:
rdb
2019-12-28 18:01:51 +01:00
parent b9713f71b1
commit b656b0bbf9
1 changed files with 34 additions and 5 deletions
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39
panda/src/dxgsg9/dxGraphicsStateGuardian9.cxx
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@@ -496,6 +496,7 @@ prepare_vertex_buffer(GeomVertexArrayData *data) {
}
#endif
dvbc->update_data_size_bytes(num_bytes);
return dvbc;
} else {
dxgsg9_cat.error()
@@ -533,14 +534,42 @@ apply_vertex_buffer(VertexBufferContext *vbc,
return false;
}
PStatTimer timer(_load_vertex_buffer_pcollector, reader->get_current_thread());
#if 0
if (dvbc->changed_size(reader)) {
// We have to destroy the old vertex buffer and create a new one.
dvbc->create_vbuffer(*_screen, reader);
// Destroy and recreate the buffer.
if (dvbc->_vbuffer != nullptr) {
dvbc->_vbuffer->Release();
dvbc->_vbuffer = nullptr;
}
DWORD usage;
D3DPOOL pool;
if (_screen->_managed_vertex_buffers) {
pool = D3DPOOL_MANAGED;
usage = D3DUSAGE_WRITEONLY;
} else {
pool = D3DPOOL_DEFAULT;
usage = D3DUSAGE_WRITEONLY | D3DUSAGE_DYNAMIC;
}
PStatTimer timer(_create_vertex_buffer_pcollector, Thread::get_current_thread());
HRESULT hr;
int attempts = 0;
do {
hr = _screen->_d3d_device->CreateVertexBuffer(num_bytes, usage, dvbc->_fvf, pool, &dvbc->_vbuffer, nullptr);
attempts++;
} while (check_dx_allocation(hr, num_bytes, attempts));
if (FAILED(hr)) {
dvbc->_vbuffer = nullptr;
dxgsg9_cat.error()
<< "CreateVertexBuffer failed" << D3DERRORSTRING(hr);
return false;
}
}
#endif
PStatTimer timer(_load_vertex_buffer_pcollector, reader->get_current_thread());
HRESULT hr;
BYTE *local_pointer;