1 files changed, 32 insertions, 30 deletions

diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 9faf07c2f9..a9aa152f10 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -4066,35 +4066,37 @@ void RasterizerStorageGLES3::multimesh_allocate(RID p_multimesh, int p_instances
 
 		multimesh->data.resize(format_floats * p_instances);
 
+		float *dataptr = multimesh->data.ptrw();
+
 		for (int i = 0; i < p_instances * format_floats; i += format_floats) {
 
 			int color_from = 0;
 			int custom_data_from = 0;
 
 			if (multimesh->transform_format == VS::MULTIMESH_TRANSFORM_2D) {
-				multimesh->data.write[i + 0] = 1.0;
-				multimesh->data.write[i + 1] = 0.0;
-				multimesh->data.write[i + 2] = 0.0;
-				multimesh->data.write[i + 3] = 0.0;
-				multimesh->data.write[i + 4] = 0.0;
-				multimesh->data.write[i + 5] = 1.0;
-				multimesh->data.write[i + 6] = 0.0;
-				multimesh->data.write[i + 7] = 0.0;
+				dataptr[i + 0] = 1.0;
+				dataptr[i + 1] = 0.0;
+				dataptr[i + 2] = 0.0;
+				dataptr[i + 3] = 0.0;
+				dataptr[i + 4] = 0.0;
+				dataptr[i + 5] = 1.0;
+				dataptr[i + 6] = 0.0;
+				dataptr[i + 7] = 0.0;
 				color_from = 8;
 				custom_data_from = 8;
 			} else {
-				multimesh->data.write[i + 0] = 1.0;
-				multimesh->data.write[i + 1] = 0.0;
-				multimesh->data.write[i + 2] = 0.0;
-				multimesh->data.write[i + 3] = 0.0;
-				multimesh->data.write[i + 4] = 0.0;
-				multimesh->data.write[i + 5] = 1.0;
-				multimesh->data.write[i + 6] = 0.0;
-				multimesh->data.write[i + 7] = 0.0;
-				multimesh->data.write[i + 8] = 0.0;
-				multimesh->data.write[i + 9] = 0.0;
-				multimesh->data.write[i + 10] = 1.0;
-				multimesh->data.write[i + 11] = 0.0;
+				dataptr[i + 0] = 1.0;
+				dataptr[i + 1] = 0.0;
+				dataptr[i + 2] = 0.0;
+				dataptr[i + 3] = 0.0;
+				dataptr[i + 4] = 0.0;
+				dataptr[i + 5] = 1.0;
+				dataptr[i + 6] = 0.0;
+				dataptr[i + 7] = 0.0;
+				dataptr[i + 8] = 0.0;
+				dataptr[i + 9] = 0.0;
+				dataptr[i + 10] = 1.0;
+				dataptr[i + 11] = 0.0;
 				color_from = 12;
 				custom_data_from = 12;
 			}
@@ -4109,14 +4111,14 @@ void RasterizerStorageGLES3::multimesh_allocate(RID p_multimesh, int p_instances
 				} cu;
 
 				cu.colu = 0xFFFFFFFF;
-				multimesh->data.write[i + color_from + 0] = cu.colf;
+				dataptr[i + color_from + 0] = cu.colf;
 				custom_data_from = color_from + 1;
 
 			} else if (multimesh->color_format == VS::MULTIMESH_COLOR_FLOAT) {
-				multimesh->data.write[i + color_from + 0] = 1.0;
-				multimesh->data.write[i + color_from + 1] = 1.0;
-				multimesh->data.write[i + color_from + 2] = 1.0;
-				multimesh->data.write[i + color_from + 3] = 1.0;
+				dataptr[i + color_from + 0] = 1.0;
+				dataptr[i + color_from + 1] = 1.0;
+				dataptr[i + color_from + 2] = 1.0;
+				dataptr[i + color_from + 3] = 1.0;
 				custom_data_from = color_from + 4;
 			}
 
@@ -4130,13 +4132,13 @@ void RasterizerStorageGLES3::multimesh_allocate(RID p_multimesh, int p_instances
 				} cu;
 
 				cu.colu = 0;
-				multimesh->data.write[i + custom_data_from + 0] = cu.colf;
+				dataptr[i + custom_data_from + 0] = cu.colf;
 
 			} else if (multimesh->custom_data_format == VS::MULTIMESH_CUSTOM_DATA_FLOAT) {
-				multimesh->data.write[i + custom_data_from + 0] = 0.0;
-				multimesh->data.write[i + custom_data_from + 1] = 0.0;
-				multimesh->data.write[i + custom_data_from + 2] = 0.0;
-				multimesh->data.write[i + custom_data_from + 3] = 0.0;
+				dataptr[i + custom_data_from + 0] = 0.0;
+				dataptr[i + custom_data_from + 1] = 0.0;
+				dataptr[i + custom_data_from + 2] = 0.0;
+				dataptr[i + custom_data_from + 3] = 0.0;
 			}
 		}