From: raster <raster@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Thu, 6 Oct 2011 13:25:18 +0000 (+0000)
Subject: only use highp *IF* compiler supports it.
X-Git-Tag: 2.0_alpha~193^2~100
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=18020a3f1bb6d10d299b3de493ad60d7fa9d69ca;p=framework%2Fuifw%2Fevas.git

only use highp *IF* compiler supports it.



git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/evas@63880 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---

diff --git a/src/modules/engines/gl_common/shader/filter_blur.h b/src/modules/engines/gl_common/shader/filter_blur.h
index 51b3ce9..7c3a369 100644
--- a/src/modules/engines/gl_common/shader/filter_blur.h
+++ b/src/modules/engines/gl_common/shader/filter_blur.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "uniform sampler1D gaussian;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_blur.shd b/src/modules/engines/gl_common/shader/filter_blur.shd
index 873fbc1..5f13a47 100644
--- a/src/modules/engines/gl_common/shader/filter_blur.shd
+++ b/src/modules/engines/gl_common/shader/filter_blur.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 uniform sampler1D gaussian;
diff --git a/src/modules/engines/gl_common/shader/filter_blur_bgra.h b/src/modules/engines/gl_common/shader/filter_blur_bgra.h
index 2051881..0862e4f 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_bgra.h
+++ b/src/modules/engines/gl_common/shader/filter_blur_bgra.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "uniform sampler1D gaussian;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_blur_bgra.shd b/src/modules/engines/gl_common/shader/filter_blur_bgra.shd
index b1377a4..a9134df 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_bgra.shd
+++ b/src/modules/engines/gl_common/shader/filter_blur_bgra.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 uniform sampler1D gaussian;
diff --git a/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.h b/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.h
index 2051881..0862e4f 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "uniform sampler1D gaussian;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.shd b/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.shd
index b1377a4..a9134df 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_blur_bgra_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 uniform sampler1D gaussian;
diff --git a/src/modules/engines/gl_common/shader/filter_blur_nomul.h b/src/modules/engines/gl_common/shader/filter_blur_nomul.h
index 2051881..0862e4f 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_blur_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "uniform sampler1D gaussian;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_blur_nomul.shd b/src/modules/engines/gl_common/shader/filter_blur_nomul.shd
index b1377a4..a9134df 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_blur_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 uniform sampler1D gaussian;
diff --git a/src/modules/engines/gl_common/shader/filter_blur_vert.h b/src/modules/engines/gl_common/shader/filter_blur_vert.h
index d38f412..758bd9d 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_vert.h
+++ b/src/modules/engines/gl_common/shader/filter_blur_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_blur_vert.shd b/src/modules/engines/gl_common/shader/filter_blur_vert.shd
index 56ddc40..052df89 100644
--- a/src/modules/engines/gl_common/shader/filter_blur_vert.shd
+++ b/src/modules/engines/gl_common/shader/filter_blur_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale.h b/src/modules/engines/gl_common/shader/filter_greyscale.h
index b3e1ad7..850538a 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale.h
+++ b/src/modules/engines/gl_common/shader/filter_greyscale.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale.shd b/src/modules/engines/gl_common/shader/filter_greyscale.shd
index 9bb572d..78ecf08 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale.shd
+++ b/src/modules/engines/gl_common/shader/filter_greyscale.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_bgra.h b/src/modules/engines/gl_common/shader/filter_greyscale_bgra.h
index b36ca91..3caef35 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_bgra.h
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_bgra.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_bgra.shd b/src/modules/engines/gl_common/shader/filter_greyscale_bgra.shd
index 5952aad..5dca381 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_bgra.shd
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_bgra.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.h b/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.h
index 4f19676..4cb36a8 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec2 tex_c;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.shd b/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.shd
index bf3dcb6..a077eea 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_bgra_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec2 tex_c;
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_nomul.h b/src/modules/engines/gl_common/shader/filter_greyscale_nomul.h
index 0bab164..f501a02 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec2 tex_c;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_greyscale_nomul.shd b/src/modules/engines/gl_common/shader/filter_greyscale_nomul.shd
index e47d4a2..b5b8ec6 100644
--- a/src/modules/engines/gl_common/shader/filter_greyscale_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_greyscale_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec2 tex_c;
diff --git a/src/modules/engines/gl_common/shader/filter_invert.h b/src/modules/engines/gl_common/shader/filter_invert.h
index 6b1fca4..46373e0 100644
--- a/src/modules/engines/gl_common/shader/filter_invert.h
+++ b/src/modules/engines/gl_common/shader/filter_invert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_invert.shd b/src/modules/engines/gl_common/shader/filter_invert.shd
index 50ed6bb..a75b058 100644
--- a/src/modules/engines/gl_common/shader/filter_invert.shd
+++ b/src/modules/engines/gl_common/shader/filter_invert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_invert_bgra.h b/src/modules/engines/gl_common/shader/filter_invert_bgra.h
index 7181f19..3e3011d 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_bgra.h
+++ b/src/modules/engines/gl_common/shader/filter_invert_bgra.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_invert_bgra.shd b/src/modules/engines/gl_common/shader/filter_invert_bgra.shd
index cf8cf0e..8d7df2d 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_bgra.shd
+++ b/src/modules/engines/gl_common/shader/filter_invert_bgra.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.h b/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.h
index 6981e76..b9f1e25 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.shd b/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.shd
index 1f90a70..682acb2 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_invert_bgra_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_invert_nomul.h b/src/modules/engines/gl_common/shader/filter_invert_nomul.h
index 6b1fca4..46373e0 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_invert_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_invert_nomul.shd b/src/modules/engines/gl_common/shader/filter_invert_nomul.shd
index 50ed6bb..a75b058 100644
--- a/src/modules/engines/gl_common/shader/filter_invert_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_invert_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_sepia.h b/src/modules/engines/gl_common/shader/filter_sepia.h
index d143a12..50fbf12 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia.h
+++ b/src/modules/engines/gl_common/shader/filter_sepia.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_sepia.shd b/src/modules/engines/gl_common/shader/filter_sepia.shd
index 70c49d8..027ecfb 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia.shd
+++ b/src/modules/engines/gl_common/shader/filter_sepia.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_bgra.h b/src/modules/engines/gl_common/shader/filter_sepia_bgra.h
index 9507bb6..41e4283 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_bgra.h
+++ b/src/modules/engines/gl_common/shader/filter_sepia_bgra.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_bgra.shd b/src/modules/engines/gl_common/shader/filter_sepia_bgra.shd
index 9a1926e..caed378 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_bgra.shd
+++ b/src/modules/engines/gl_common/shader/filter_sepia_bgra.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.h b/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.h
index 57ddcfd..0c4fe1b 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.shd b/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.shd
index f9cf473..9c6c1d4 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_sepia_bgra_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_nomul.h b/src/modules/engines/gl_common/shader/filter_sepia_nomul.h
index 2ea5396..23af9ec 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_nomul.h
+++ b/src/modules/engines/gl_common/shader/filter_sepia_nomul.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/filter_sepia_nomul.shd b/src/modules/engines/gl_common/shader/filter_sepia_nomul.shd
index 5d1558c..f9871bd 100644
--- a/src/modules/engines/gl_common/shader/filter_sepia_nomul.shd
+++ b/src/modules/engines/gl_common/shader/filter_sepia_nomul.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/font_frag.h b/src/modules/engines/gl_common/shader/font_frag.h
index f43af9a..f27dcdc 100644
--- a/src/modules/engines/gl_common/shader/font_frag.h
+++ b/src/modules/engines/gl_common/shader/font_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/font_frag.shd b/src/modules/engines/gl_common/shader/font_frag.shd
index cad119d..a8eb9b7 100644
--- a/src/modules/engines/gl_common/shader/font_frag.shd
+++ b/src/modules/engines/gl_common/shader/font_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/font_vert.h b/src/modules/engines/gl_common/shader/font_vert.h
index 8921d9d..19fb72f 100644
--- a/src/modules/engines/gl_common/shader/font_vert.h
+++ b/src/modules/engines/gl_common/shader/font_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/font_vert.shd b/src/modules/engines/gl_common/shader/font_vert.shd
index 606c297..efc0a92 100644
--- a/src/modules/engines/gl_common/shader/font_vert.shd
+++ b/src/modules/engines/gl_common/shader/font_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/img_bgra_frag.h b/src/modules/engines/gl_common/shader/img_bgra_frag.h
index 91edfa1..1ced5e0 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_frag.h
+++ b/src/modules/engines/gl_common/shader/img_bgra_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/img_bgra_frag.shd b/src/modules/engines/gl_common/shader/img_bgra_frag.shd
index d4cdf22..2bc8d79 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_frag.shd
+++ b/src/modules/engines/gl_common/shader/img_bgra_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.h b/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.h
index 26d3e0d..459611f 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec2 tex_c;\n"
diff --git a/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.shd b/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.shd
index cfe1f1a..877df62 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/img_bgra_nomul_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec2 tex_c;
diff --git a/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.h b/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.h
index 13d5edd..75e301f 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec2 tex_coord;\n"
diff --git a/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.shd b/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.shd
index 74f3207..22836c6 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/img_bgra_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec2 tex_coord;
diff --git a/src/modules/engines/gl_common/shader/img_bgra_vert.h b/src/modules/engines/gl_common/shader/img_bgra_vert.h
index 8921d9d..19fb72f 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_vert.h
+++ b/src/modules/engines/gl_common/shader/img_bgra_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/img_bgra_vert.shd b/src/modules/engines/gl_common/shader/img_bgra_vert.shd
index 606c297..efc0a92 100644
--- a/src/modules/engines/gl_common/shader/img_bgra_vert.shd
+++ b/src/modules/engines/gl_common/shader/img_bgra_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/img_frag.h b/src/modules/engines/gl_common/shader/img_frag.h
index c0c07a5..0a95502 100644
--- a/src/modules/engines/gl_common/shader/img_frag.h
+++ b/src/modules/engines/gl_common/shader/img_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/img_frag.shd b/src/modules/engines/gl_common/shader/img_frag.shd
index 658ae1e..9faa414 100644
--- a/src/modules/engines/gl_common/shader/img_frag.shd
+++ b/src/modules/engines/gl_common/shader/img_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/img_mask_frag.h b/src/modules/engines/gl_common/shader/img_mask_frag.h
index 58661d7..1b28128 100644
--- a/src/modules/engines/gl_common/shader/img_mask_frag.h
+++ b/src/modules/engines/gl_common/shader/img_mask_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texm;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/img_mask_frag.shd b/src/modules/engines/gl_common/shader/img_mask_frag.shd
index 1292c3a..0b7307e 100644
--- a/src/modules/engines/gl_common/shader/img_mask_frag.shd
+++ b/src/modules/engines/gl_common/shader/img_mask_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex, texm;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/img_mask_vert.h b/src/modules/engines/gl_common/shader/img_mask_vert.h
index 7508c98..91d2716 100644
--- a/src/modules/engines/gl_common/shader/img_mask_vert.h
+++ b/src/modules/engines/gl_common/shader/img_mask_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/img_mask_vert.shd b/src/modules/engines/gl_common/shader/img_mask_vert.shd
index 1414870..2cd02a6 100644
--- a/src/modules/engines/gl_common/shader/img_mask_vert.shd
+++ b/src/modules/engines/gl_common/shader/img_mask_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/img_nomul_frag.h b/src/modules/engines/gl_common/shader/img_nomul_frag.h
index 94f0a76..0343b34 100644
--- a/src/modules/engines/gl_common/shader/img_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/img_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec2 tex_c;\n"
diff --git a/src/modules/engines/gl_common/shader/img_nomul_frag.shd b/src/modules/engines/gl_common/shader/img_nomul_frag.shd
index 594299d..222d635 100644
--- a/src/modules/engines/gl_common/shader/img_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/img_nomul_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec2 tex_c;
diff --git a/src/modules/engines/gl_common/shader/img_nomul_vert.h b/src/modules/engines/gl_common/shader/img_nomul_vert.h
index 13d5edd..75e301f 100644
--- a/src/modules/engines/gl_common/shader/img_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/img_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec2 tex_coord;\n"
diff --git a/src/modules/engines/gl_common/shader/img_nomul_vert.shd b/src/modules/engines/gl_common/shader/img_nomul_vert.shd
index 74f3207..22836c6 100644
--- a/src/modules/engines/gl_common/shader/img_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/img_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec2 tex_coord;
diff --git a/src/modules/engines/gl_common/shader/img_vert.h b/src/modules/engines/gl_common/shader/img_vert.h
index 8921d9d..19fb72f 100644
--- a/src/modules/engines/gl_common/shader/img_vert.h
+++ b/src/modules/engines/gl_common/shader/img_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/img_vert.shd b/src/modules/engines/gl_common/shader/img_vert.shd
index 606c297..efc0a92 100644
--- a/src/modules/engines/gl_common/shader/img_vert.shd
+++ b/src/modules/engines/gl_common/shader/img_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/nv12_frag.h b/src/modules/engines/gl_common/shader/nv12_frag.h
index 97aec78..fec4b23 100644
--- a/src/modules/engines/gl_common/shader/nv12_frag.h
+++ b/src/modules/engines/gl_common/shader/nv12_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texuv;\n"
 "varying vec4 col;\n"
@@ -10,18 +14,18 @@
 "  y=texture2D(tex,tex_c).g;\n"
 "  u=texture2D(texuv,tex_cuv).g;\n"
 "  v=texture2D(texuv,tex_cuv).a;\n"
-
+"\n"
 "  u=u-0.5;\n"
 "  v=v-0.5;\n"
 "  vmu=v*0.813+u*0.391;\n"
 "  u=u*2.018;\n"
 "  v=v*1.596;\n"
 "  y=(y-0.062)*1.164;\n"
-
+"\n"
 "  r=y+v;\n"
 "  g=y-vmu;\n"
 "  b=y+u;\n"
-
+"\n"
 "  gl_FragColor=vec4(r,g,b,1.0) * col;\n"
 "}\n"
-
+"\n"
diff --git a/src/modules/engines/gl_common/shader/nv12_frag.shd b/src/modules/engines/gl_common/shader/nv12_frag.shd
index b3ee780..34748fc 100644
--- a/src/modules/engines/gl_common/shader/nv12_frag.shd
+++ b/src/modules/engines/gl_common/shader/nv12_frag.shd
@@ -1,6 +1,10 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
 precision mediump float;
 #endif
+#endif
 uniform sampler2D tex, texuv;
 varying vec4 col;
 varying vec2 tex_c, tex_cuv;
diff --git a/src/modules/engines/gl_common/shader/nv12_nomul_frag.h b/src/modules/engines/gl_common/shader/nv12_nomul_frag.h
index c98d041..df52d19 100644
--- a/src/modules/engines/gl_common/shader/nv12_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/nv12_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texuv;\n"
 "varying vec2 tex_c, tex_cuv;\n"
@@ -9,18 +13,19 @@
 "  y=texture2D(tex,tex_c).g;\n"
 "  u=texture2D(texuv,tex_cuv).g;\n"
 "  v=texture2D(texuv,tex_cuv).a;\n"
-
+"\n"
 "  u=u-0.5;\n"
 "  v=v-0.5;\n"
 "  vmu=v*0.813+u*0.391;\n"
 "  u=u*2.018;\n"
 "  v=v*1.596;\n"
 "  y=(y-0.062)*1.164;\n"
-
+"\n"
 "  r=y+v;\n"
 "  g=y-vmu;\n"
 "  b=y+u;\n"
-
+"\n"
 "  gl_FragColor=vec4(r,g,b,1.0);\n"
 "}\n"
-
+"\n"
+"\n"
diff --git a/src/modules/engines/gl_common/shader/nv12_nomul_frag.shd b/src/modules/engines/gl_common/shader/nv12_nomul_frag.shd
index 9d325b6..6910933 100644
--- a/src/modules/engines/gl_common/shader/nv12_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/nv12_nomul_frag.shd
@@ -1,6 +1,10 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
 precision mediump float;
 #endif
+#endif
 uniform sampler2D tex, texuv;
 varying vec2 tex_c, tex_cuv;
 void main()
diff --git a/src/modules/engines/gl_common/shader/nv12_nomul_vert.h b/src/modules/engines/gl_common/shader/nv12_nomul_vert.h
index 889b5ca..5dfbbdd 100644
--- a/src/modules/engines/gl_common/shader/nv12_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/nv12_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
@@ -10,5 +14,5 @@
 "{\n"
 "   gl_Position = mvp * vertex;\n"
 "   tex_y = tex_coord;\n"
-"   tex_cuv = tex_coord2;\n"
+"   tex_cuv = tex_coord2 * 0.5;\n"
 "}\n"
diff --git a/src/modules/engines/gl_common/shader/nv12_nomul_vert.shd b/src/modules/engines/gl_common/shader/nv12_nomul_vert.shd
index 2d7567b..de44b9d 100644
--- a/src/modules/engines/gl_common/shader/nv12_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/nv12_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/nv12_vert.h b/src/modules/engines/gl_common/shader/nv12_vert.h
index 3e4f013..d4f41c4 100644
--- a/src/modules/engines/gl_common/shader/nv12_vert.h
+++ b/src/modules/engines/gl_common/shader/nv12_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
@@ -12,5 +16,5 @@
 "   gl_Position = mvp * vertex;\n"
 "   col = color;\n"
 "   tex_y = tex_coord;\n"
-"   tex_cuv = tex_coord2;\n"
+"   tex_cuv = tex_coord2 * 0.5;\n"
 "}\n"
diff --git a/src/modules/engines/gl_common/shader/nv12_vert.shd b/src/modules/engines/gl_common/shader/nv12_vert.shd
index f8204c7..558c3c7 100644
--- a/src/modules/engines/gl_common/shader/nv12_vert.shd
+++ b/src/modules/engines/gl_common/shader/nv12_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/rect_frag.h b/src/modules/engines/gl_common/shader/rect_frag.h
index 852a1b5..4a102a4 100644
--- a/src/modules/engines/gl_common/shader/rect_frag.h
+++ b/src/modules/engines/gl_common/shader/rect_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/rect_frag.shd b/src/modules/engines/gl_common/shader/rect_frag.shd
index fe366c5..02251ee 100644
--- a/src/modules/engines/gl_common/shader/rect_frag.shd
+++ b/src/modules/engines/gl_common/shader/rect_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/rect_vert.h b/src/modules/engines/gl_common/shader/rect_vert.h
index 51d41aa..22d38e5 100644
--- a/src/modules/engines/gl_common/shader/rect_vert.h
+++ b/src/modules/engines/gl_common/shader/rect_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/rect_vert.shd b/src/modules/engines/gl_common/shader/rect_vert.shd
index 63fea5d..e1966ee 100644
--- a/src/modules/engines/gl_common/shader/rect_vert.shd
+++ b/src/modules/engines/gl_common/shader/rect_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/tex_frag.h b/src/modules/engines/gl_common/shader/tex_frag.h
index 91edfa1..1ced5e0 100644
--- a/src/modules/engines/gl_common/shader/tex_frag.h
+++ b/src/modules/engines/gl_common/shader/tex_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/tex_frag.shd b/src/modules/engines/gl_common/shader/tex_frag.shd
index d4cdf22..2bc8d79 100644
--- a/src/modules/engines/gl_common/shader/tex_frag.shd
+++ b/src/modules/engines/gl_common/shader/tex_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/tex_nomul_frag.h b/src/modules/engines/gl_common/shader/tex_nomul_frag.h
index 26d3e0d..459611f 100644
--- a/src/modules/engines/gl_common/shader/tex_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/tex_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex;\n"
 "varying vec2 tex_c;\n"
diff --git a/src/modules/engines/gl_common/shader/tex_nomul_frag.shd b/src/modules/engines/gl_common/shader/tex_nomul_frag.shd
index cfe1f1a..877df62 100644
--- a/src/modules/engines/gl_common/shader/tex_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/tex_nomul_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex;
 varying vec2 tex_c;
diff --git a/src/modules/engines/gl_common/shader/tex_nomul_vert.h b/src/modules/engines/gl_common/shader/tex_nomul_vert.h
index 13d5edd..75e301f 100644
--- a/src/modules/engines/gl_common/shader/tex_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/tex_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec2 tex_coord;\n"
diff --git a/src/modules/engines/gl_common/shader/tex_nomul_vert.shd b/src/modules/engines/gl_common/shader/tex_nomul_vert.shd
index 74f3207..22836c6 100644
--- a/src/modules/engines/gl_common/shader/tex_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/tex_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec2 tex_coord;
diff --git a/src/modules/engines/gl_common/shader/tex_vert.h b/src/modules/engines/gl_common/shader/tex_vert.h
index 8921d9d..19fb72f 100644
--- a/src/modules/engines/gl_common/shader/tex_vert.h
+++ b/src/modules/engines/gl_common/shader/tex_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/tex_vert.shd b/src/modules/engines/gl_common/shader/tex_vert.shd
index 606c297..efc0a92 100644
--- a/src/modules/engines/gl_common/shader/tex_vert.shd
+++ b/src/modules/engines/gl_common/shader/tex_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/yuv_frag.h b/src/modules/engines/gl_common/shader/yuv_frag.h
index 4346e1d..de9acf8 100644
--- a/src/modules/engines/gl_common/shader/yuv_frag.h
+++ b/src/modules/engines/gl_common/shader/yuv_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texu, texv;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/yuv_frag.shd b/src/modules/engines/gl_common/shader/yuv_frag.shd
index a1e1b8a..8e55d14 100644
--- a/src/modules/engines/gl_common/shader/yuv_frag.shd
+++ b/src/modules/engines/gl_common/shader/yuv_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex, texu, texv;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/yuv_nomul_frag.h b/src/modules/engines/gl_common/shader/yuv_nomul_frag.h
index 6f70bec..ee5855c 100644
--- a/src/modules/engines/gl_common/shader/yuv_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/yuv_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texu, texv;\n"
 "varying vec2 tex_c, tex_c2, tex_c3;\n"
diff --git a/src/modules/engines/gl_common/shader/yuv_nomul_frag.shd b/src/modules/engines/gl_common/shader/yuv_nomul_frag.shd
index bb5c825..3ec4311 100644
--- a/src/modules/engines/gl_common/shader/yuv_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/yuv_nomul_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex, texu, texv;
 varying vec2 tex_c, tex_c2, tex_c3;
diff --git a/src/modules/engines/gl_common/shader/yuv_nomul_vert.h b/src/modules/engines/gl_common/shader/yuv_nomul_vert.h
index c3f585f..3201b54 100644
--- a/src/modules/engines/gl_common/shader/yuv_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/yuv_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec2 tex_coord, tex_coord2, tex_coord3;\n"
diff --git a/src/modules/engines/gl_common/shader/yuv_nomul_vert.shd b/src/modules/engines/gl_common/shader/yuv_nomul_vert.shd
index a83d505..6bfd706 100644
--- a/src/modules/engines/gl_common/shader/yuv_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/yuv_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec2 tex_coord, tex_coord2, tex_coord3;
diff --git a/src/modules/engines/gl_common/shader/yuv_vert.h b/src/modules/engines/gl_common/shader/yuv_vert.h
index 6ccf06d..092f7a2 100644
--- a/src/modules/engines/gl_common/shader/yuv_vert.h
+++ b/src/modules/engines/gl_common/shader/yuv_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/yuv_vert.shd b/src/modules/engines/gl_common/shader/yuv_vert.shd
index 0ea0b2f..7dd5153 100644
--- a/src/modules/engines/gl_common/shader/yuv_vert.shd
+++ b/src/modules/engines/gl_common/shader/yuv_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;
diff --git a/src/modules/engines/gl_common/shader/yuy2_frag.h b/src/modules/engines/gl_common/shader/yuy2_frag.h
index 546c83c..abe4b03 100644
--- a/src/modules/engines/gl_common/shader/yuy2_frag.h
+++ b/src/modules/engines/gl_common/shader/yuy2_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texuv;\n"
 "varying vec4 col;\n"
diff --git a/src/modules/engines/gl_common/shader/yuy2_frag.shd b/src/modules/engines/gl_common/shader/yuy2_frag.shd
index 9087320..98dd91b 100644
--- a/src/modules/engines/gl_common/shader/yuy2_frag.shd
+++ b/src/modules/engines/gl_common/shader/yuy2_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex, texuv;
 varying vec4 col;
diff --git a/src/modules/engines/gl_common/shader/yuy2_nomul_frag.h b/src/modules/engines/gl_common/shader/yuy2_nomul_frag.h
index c49596a..618fa50 100644
--- a/src/modules/engines/gl_common/shader/yuy2_nomul_frag.h
+++ b/src/modules/engines/gl_common/shader/yuy2_nomul_frag.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "uniform sampler2D tex, texuv;\n"
 "varying vec2 tex_c, tex_cuv;\n"
diff --git a/src/modules/engines/gl_common/shader/yuy2_nomul_frag.shd b/src/modules/engines/gl_common/shader/yuy2_nomul_frag.shd
index 6607402..fd82e2a 100644
--- a/src/modules/engines/gl_common/shader/yuy2_nomul_frag.shd
+++ b/src/modules/engines/gl_common/shader/yuy2_nomul_frag.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 uniform sampler2D tex, texuv;
 varying vec2 tex_c, tex_cuv;
diff --git a/src/modules/engines/gl_common/shader/yuy2_nomul_vert.h b/src/modules/engines/gl_common/shader/yuy2_nomul_vert.h
index 4620b66..ec8b8f8 100644
--- a/src/modules/engines/gl_common/shader/yuy2_nomul_vert.h
+++ b/src/modules/engines/gl_common/shader/yuy2_nomul_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec2 tex_coord, tex_coord2;\n"
diff --git a/src/modules/engines/gl_common/shader/yuy2_nomul_vert.shd b/src/modules/engines/gl_common/shader/yuy2_nomul_vert.shd
index 05acc9c..a7234b3 100644
--- a/src/modules/engines/gl_common/shader/yuy2_nomul_vert.shd
+++ b/src/modules/engines/gl_common/shader/yuy2_nomul_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec2 tex_coord, tex_coord2;
diff --git a/src/modules/engines/gl_common/shader/yuy2_vert.h b/src/modules/engines/gl_common/shader/yuy2_vert.h
index 1e49018..fe9bca1 100644
--- a/src/modules/engines/gl_common/shader/yuy2_vert.h
+++ b/src/modules/engines/gl_common/shader/yuy2_vert.h
@@ -1,5 +1,9 @@
 "#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
 "precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
 "#endif\n"
 "attribute vec4 vertex;\n"
 "attribute vec4 color;\n"
diff --git a/src/modules/engines/gl_common/shader/yuy2_vert.shd b/src/modules/engines/gl_common/shader/yuy2_vert.shd
index 54efb1e..c16ab00 100644
--- a/src/modules/engines/gl_common/shader/yuy2_vert.shd
+++ b/src/modules/engines/gl_common/shader/yuy2_vert.shd
@@ -1,5 +1,9 @@
 #ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
 precision highp float;
+#else
+precision mediump float;
+#endif
 #endif
 attribute vec4 vertex;
 attribute vec4 color;