diff options
| -rw-r--r-- | drivers/gles3/rasterizer_storage_gles3.cpp | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp index 920c587f2b..ab77cced1d 100644 --- a/drivers/gles3/rasterizer_storage_gles3.cpp +++ b/drivers/gles3/rasterizer_storage_gles3.cpp @@ -3632,28 +3632,30 @@ 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; } |