From 708a54d3de31ef76f524baeb0f5c2697589e93d7 Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Wed, 20 Jun 2018 21:57:34 +0200
Subject: [PATCH] Fix yellow for LCD_DEPTH == 32

Change-Id: I59e9ec8720555c17e882a3a8c7ed0ba281b8d7c7
---
 apps/plugins/fractals/mandelbrot_set.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/plugins/fractals/mandelbrot_set.c b/apps/plugins/fractals/mandelbrot_set.c
index 583095913f..69485d405a 100644
--- a/apps/plugins/fractals/mandelbrot_set.c
+++ b/apps/plugins/fractals/mandelbrot_set.c
@@ -39,8 +39,15 @@ static fb_data imgbuffer[LCD_HEIGHT];
  * 345 (=15*26-45) is max_iter maximal value
  * This implementation ignores pixel format, thus it is not uniformly spread
  */
+#if LCD_DEPTH > 24
+/* when LCD_DEPTH is 32 casting to 64bit intermediate is needed to prevent
+ * overflow and warning 'left shift count >= width of type'
+ */
+#define LCOLOR(iter) ((unsigned int)(((unsigned long long)iter << LCD_DEPTH) / 345))
+#else
 #define LCOLOR(iter) ((iter << LCD_DEPTH) / 345)
 #endif
+#endif
 
 #ifdef HAVE_LCD_COLOR
 #define COLOR(iter)         FB_SCALARPACK(LCOLOR(iter))