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Mute errors on surface->index_array_len == 0 in the GLES3 renderer 

This error is generated whenever rendering collision debug meshes.
There's no reason why this should be treated as an error as index-less
meshes are supported and used across the engine.

(cherry picked from commit 1dd98baaa6)
This commit is contained in:
Daniel Rakos 2019-01-12 15:44:20 +01:00 committed by Rémi Verschelde
parent 3433017354
commit 618290ba46
1 changed files with 17 additions and 15 deletions
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32
drivers/gles3/rasterizer_storage_gles3.cpp
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@ -3771,28 +3771,30 @@ PoolVector<uint8_t> RasterizerStorageGLES3::mesh_surface_get_index_array(RID p_m
Surface *surface = mesh->surfaces[p_surface];
ERR_FAIL_COND_V(surface->index_array_len == 0, PoolVector<uint8_t>());
PoolVector<uint8_t> ret;
ret.resize(surface->index_array_byte_size);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, surface->index_id);
if (surface->index_array_byte_size > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, surface->index_id);
#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__)
{
PoolVector<uint8_t>::Write w = ret.write();
glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, w.ptr());
}
{
PoolVector<uint8_t>::Write w = ret.write();
glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, w.ptr());
}
#else
void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, GL_MAP_READ_BIT);
ERR_FAIL_NULL_V(data, PoolVector<uint8_t>());
{
PoolVector<uint8_t>::Write w = ret.write();
copymem(w.ptr(), data, surface->index_array_byte_size);
}
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, GL_MAP_READ_BIT);
ERR_FAIL_NULL_V(data, PoolVector<uint8_t>());
{
PoolVector<uint8_t>::Write w = ret.write();
copymem(w.ptr(), data, surface->index_array_byte_size);
}
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
#endif
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
return ret;
}