Merge pull request #67764 from keptsecret/implement-mesh-surface-update-x-region

Implemented mesh_surface_update_x_region functions

drivers/gles3/storage/mesh_storage.cpp

@@ -309,12 +309,48 @@ RS::BlendShapeMode MeshStorage::mesh_get_blend_shape_mode(RID p_mesh) const {
 }
 
 void MeshStorage::mesh_surface_update_vertex_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) {
+	Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+	ERR_FAIL_COND(!mesh);
+	ERR_FAIL_UNSIGNED_INDEX((uint32_t)p_surface, mesh->surface_count);
+	ERR_FAIL_COND(p_data.size() == 0);
+
+	uint64_t data_size = p_data.size();
+	ERR_FAIL_COND(p_offset + data_size > mesh->surfaces[p_surface]->vertex_buffer_size);
+	const uint8_t *r = p_data.ptr();
+
+	glBindBuffer(GL_ARRAY_BUFFER, mesh->surfaces[p_surface]->vertex_buffer);
+	glBufferSubData(GL_ARRAY_BUFFER, p_offset, data_size, r);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
 }
 
 void MeshStorage::mesh_surface_update_attribute_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) {
+	Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+	ERR_FAIL_COND(!mesh);
+	ERR_FAIL_UNSIGNED_INDEX((uint32_t)p_surface, mesh->surface_count);
+	ERR_FAIL_COND(p_data.size() == 0);
+
+	uint64_t data_size = p_data.size();
+	ERR_FAIL_COND(p_offset + data_size > mesh->surfaces[p_surface]->attribute_buffer_size);
+	const uint8_t *r = p_data.ptr();
+
+	glBindBuffer(GL_ARRAY_BUFFER, mesh->surfaces[p_surface]->attribute_buffer);
+	glBufferSubData(GL_ARRAY_BUFFER, p_offset, data_size, r);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
 }
 
 void MeshStorage::mesh_surface_update_skin_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) {
+	Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+	ERR_FAIL_COND(!mesh);
+	ERR_FAIL_UNSIGNED_INDEX((uint32_t)p_surface, mesh->surface_count);
+	ERR_FAIL_COND(p_data.size() == 0);
+
+	uint64_t data_size = p_data.size();
+	ERR_FAIL_COND(p_offset + data_size > mesh->surfaces[p_surface]->skin_buffer_size);
+	const uint8_t *r = p_data.ptr();
+
+	glBindBuffer(GL_ARRAY_BUFFER, mesh->surfaces[p_surface]->skin_buffer);
+	glBufferSubData(GL_ARRAY_BUFFER, p_offset, data_size, r);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
 }
 
 void MeshStorage::mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material) {