diff options
Diffstat (limited to 'drivers/gles3/storage/mesh_storage.cpp')
| -rw-r--r-- | drivers/gles3/storage/mesh_storage.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gles3/storage/mesh_storage.cpp b/drivers/gles3/storage/mesh_storage.cpp index dee715150b..38de0220e3 100644 --- a/drivers/gles3/storage/mesh_storage.cpp +++ b/drivers/gles3/storage/mesh_storage.cpp @@ -186,11 +186,13 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) s->format = p_surface.format; s->primitive = p_surface.primitive; - glGenBuffers(1, &s->vertex_buffer); - glBindBuffer(GL_ARRAY_BUFFER, s->vertex_buffer); - glBufferData(GL_ARRAY_BUFFER, p_surface.vertex_data.size(), p_surface.vertex_data.ptr(), (s->format & RS::ARRAY_FLAG_USE_DYNAMIC_UPDATE) ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW); - glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind - s->vertex_buffer_size = p_surface.vertex_data.size(); + if (p_surface.vertex_data.size()) { + glGenBuffers(1, &s->vertex_buffer); + glBindBuffer(GL_ARRAY_BUFFER, s->vertex_buffer); + glBufferData(GL_ARRAY_BUFFER, p_surface.vertex_data.size(), p_surface.vertex_data.ptr(), (s->format & RS::ARRAY_FLAG_USE_DYNAMIC_UPDATE) ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind + s->vertex_buffer_size = p_surface.vertex_data.size(); + } if (p_surface.attribute_data.size()) { glGenBuffers(1, &s->attribute_buffer); @@ -214,7 +216,7 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) } if (p_surface.index_count) { - bool is_index_16 = p_surface.vertex_count <= 65536; + bool is_index_16 = p_surface.vertex_count <= 65536 && p_surface.vertex_count > 0; glGenBuffers(1, &s->index_buffer); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, s->index_buffer); glBufferData(GL_ELEMENT_ARRAY_BUFFER, p_surface.index_data.size(), p_surface.index_data.ptr(), GL_STATIC_DRAW); @@ -238,6 +240,8 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) } } + ERR_FAIL_COND_MSG(!p_surface.index_count && !p_surface.vertex_count, "Meshes must contain a vertex array, an index array, or both"); + s->aabb = p_surface.aabb; s->bone_aabbs = p_surface.bone_aabbs; //only really useful for returning them. @@ -340,7 +344,9 @@ RS::SurfaceData MeshStorage::mesh_get_surface(RID p_mesh, int p_surface) const { RS::SurfaceData sd; sd.format = s.format; - sd.vertex_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.vertex_buffer, s.vertex_buffer_size); + if (s.vertex_buffer != 0) { + sd.vertex_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.vertex_buffer, s.vertex_buffer_size); + } if (s.attribute_buffer != 0) { sd.attribute_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.attribute_buffer, s.attribute_buffer_size); |