Warn when using GPU particles with GLES2

Closes #25733.

2 files changed, 11 insertions, 0 deletions

diff --git a/scene/2d/particles_2d.cpp b/scene/2d/particles_2d.cpp
index c005c33a19..9701998f5d 100644
--- a/scene/2d/particles_2d.cpp
+++ b/scene/2d/particles_2d.cpp
@@ -30,6 +30,7 @@
 
 #include "particles_2d.h"
 
+#include "core/os/os.h"
 #include "scene/resources/particles_material.h"
 #include "scene/scene_string_names.h"
 
@@ -213,6 +214,10 @@ bool Particles2D::get_fractional_delta() const {
 
 String Particles2D::get_configuration_warning() const {
 
+	if (OS::get_singleton()->get_current_video_driver() == OS::VIDEO_DRIVER_GLES2) {
+		return TTR("GPU-based particles are not supported by the GLES2 video driver.\nUse the CPUParticles2D node instead. You can use the \"Convert to CPUParticles\" option for this purpose.");
+	}
+
 	String warnings;
 
 	if (process_material.is_null()) {
diff --git a/scene/3d/particles.cpp b/scene/3d/particles.cpp
index 2add50dd5d..78b2958400 100644
--- a/scene/3d/particles.cpp
+++ b/scene/3d/particles.cpp
@@ -29,6 +29,8 @@
 /*************************************************************************/
 
 #include "particles.h"
+
+#include "core/os/os.h"
 #include "scene/resources/particles_material.h"
 
 #include "servers/visual_server.h"
@@ -224,6 +226,10 @@ bool Particles::get_fractional_delta() const {
 
 String Particles::get_configuration_warning() const {
 
+	if (OS::get_singleton()->get_current_video_driver() == OS::VIDEO_DRIVER_GLES2) {
+		return TTR("GPU-based particles are not supported by the GLES2 video driver.\nUse the CPUParticles node instead. You can use the \"Convert to CPUParticles\" option for this purpose.");
+	}
+
 	String warnings;
 
 	bool meshes_found = false;