2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/vulkan/rendering_device_vulkan.cpp b/drivers/vulkan/rendering_device_vulkan.cpp
index 2debba1b83..f2d78636d7 100644
--- a/drivers/vulkan/rendering_device_vulkan.cpp
+++ b/drivers/vulkan/rendering_device_vulkan.cpp
@@ -7543,6 +7543,16 @@ RenderingDeviceVulkan::DrawList *RenderingDeviceVulkan::_get_draw_list_ptr(DrawL
 	}
 }
 
+void RenderingDeviceVulkan::draw_list_set_blend_constants(DrawListID p_list, const Color &p_color) {
+	DrawList *dl = _get_draw_list_ptr(p_list);
+	ERR_FAIL_COND(!dl);
+#ifdef DEBUG_ENABLED
+	ERR_FAIL_COND_MSG(!dl->validation.active, "Submitted Draw Lists can no longer be modified.");
+#endif
+
+	vkCmdSetBlendConstants(dl->command_buffer, p_color.components);
+}
+
 void RenderingDeviceVulkan::draw_list_bind_render_pipeline(DrawListID p_list, RID p_render_pipeline) {
 	DrawList *dl = _get_draw_list_ptr(p_list);
 	ERR_FAIL_COND(!dl);
diff --git a/drivers/vulkan/rendering_device_vulkan.h b/drivers/vulkan/rendering_device_vulkan.h
index 6572de7c52..6007e1ab4d 100644
--- a/drivers/vulkan/rendering_device_vulkan.h
+++ b/drivers/vulkan/rendering_device_vulkan.h
@@ -1155,6 +1155,7 @@ public:
 	virtual DrawListID draw_list_begin(RID p_framebuffer, InitialAction p_initial_color_action, FinalAction p_final_color_action, InitialAction p_initial_depth_action, FinalAction p_final_depth_action, const Vector<Color> &p_clear_color_values = Vector<Color>(), float p_clear_depth = 1.0, uint32_t p_clear_stencil = 0, const Rect2 &p_region = Rect2(), const Vector<RID> &p_storage_textures = Vector<RID>());
 	virtual Error draw_list_begin_split(RID p_framebuffer, uint32_t p_splits, DrawListID *r_split_ids, InitialAction p_initial_color_action, FinalAction p_final_color_action, InitialAction p_initial_depth_action, FinalAction p_final_depth_action, const Vector<Color> &p_clear_color_values = Vector<Color>(), float p_clear_depth = 1.0, uint32_t p_clear_stencil = 0, const Rect2 &p_region = Rect2(), const Vector<RID> &p_storage_textures = Vector<RID>());
 
+	virtual void draw_list_set_blend_constants(DrawListID p_list, const Color &p_color);
 	virtual void draw_list_bind_render_pipeline(DrawListID p_list, RID p_render_pipeline);
 	virtual void draw_list_bind_uniform_set(DrawListID p_list, RID p_uniform_set, uint32_t p_index);
 	virtual void draw_list_bind_vertex_array(DrawListID p_list, RID p_vertex_array);