added MultiMeshInstance2D node for using MultiMesh in 2D

2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp
index ee722e9d6c..b82186162d 100644
--- a/drivers/gles2/rasterizer_canvas_gles2.cpp
+++ b/drivers/gles2/rasterizer_canvas_gles2.cpp
@@ -1081,6 +1081,8 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur
 							} else {
 								glVertexAttrib4fv(INSTANCE_ATTRIB_BASE + 3, buffer + color_ofs);
 							}
+						} else {
+							glVertexAttrib4f(INSTANCE_ATTRIB_BASE + 3, 1.0, 1.0, 1.0, 1.0);
 						}
 
 						if (multi_mesh->custom_data_floats) {
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index 7dce784f52..0818942b0a 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -112,7 +112,12 @@ void main() {
 #ifdef USE_INSTANCING
 	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
 	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
 	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
 
 #else
 	mat4 extra_matrix_instance = extra_matrix;