diff --git a/ext/gl/gstgltransformation.c b/ext/gl/gstgltransformation.c
index a4df30414a..1fcf902464 100644
--- a/ext/gl/gstgltransformation.c
+++ b/ext/gl/gstgltransformation.c
@@ -251,7 +251,7 @@ gst_gl_transformation_init (GstGLTransformation * filter)
   filter->shader = NULL;
   filter->fov = 90;
   filter->aspect = 1.0;
-  filter->znear = 0.1;
+  filter->znear = 0.1f;
   filter->zfar = 100;
 
   filter->xscale = 1.0;
diff --git a/gst-libs/gst/gl/gstglcolorconvert.c b/gst-libs/gst/gl/gstglcolorconvert.c
index e9eb88a2e1..908a53eccf 100644
--- a/gst-libs/gst/gl/gstglcolorconvert.c
+++ b/gst-libs/gst/gl/gstglcolorconvert.c
@@ -69,19 +69,19 @@ static gboolean _do_convert_draw (GstGLContext * context,
  * Y = [16..235] (of 255)
  * Cb/Cr = [16..240] (of 255)
  */
-static const gfloat from_yuv_bt601_offset[] = {-0.0625, -0.5, -0.5};
-static const gfloat from_yuv_bt601_rcoeff[] = {1.164, 0.000, 1.596};
-static const gfloat from_yuv_bt601_gcoeff[] = {1.164,-0.391,-0.813};
-static const gfloat from_yuv_bt601_bcoeff[] = {1.164, 2.018, 0.000};
+static const gfloat from_yuv_bt601_offset[] = {-0.0625f, -0.5f, -0.5f};
+static const gfloat from_yuv_bt601_rcoeff[] = {1.164f, 0.000f, 1.596f};
+static const gfloat from_yuv_bt601_gcoeff[] = {1.164f,-0.391f,-0.813f};
+static const gfloat from_yuv_bt601_bcoeff[] = {1.164f, 2.018f, 0.000f};
 
 /* BT. 709 standard with the following ranges:
  * Y = [16..235] (of 255)
  * Cb/Cr = [16..240] (of 255)
  */
-static const gfloat from_yuv_bt709_offset[] = {-0.0625, -0.5, -0.5};
-static const gfloat from_yuv_bt709_rcoeff[] = {1.164, 0.000, 1.787};
-static const gfloat from_yuv_bt709_gcoeff[] = {1.164,-0.213,-0.531};
-static const gfloat from_yuv_bt709_bcoeff[] = {1.164,2.112, 0.000};
+static const gfloat from_yuv_bt709_offset[] = {-0.0625f, -0.5f, -0.5f};
+static const gfloat from_yuv_bt709_rcoeff[] = {1.164f, 0.000f, 1.787f};
+static const gfloat from_yuv_bt709_gcoeff[] = {1.164f,-0.213f,-0.531f};
+static const gfloat from_yuv_bt709_bcoeff[] = {1.164f,2.112f, 0.000f};
 
 #define RGB_TO_YUV_COEFFICIENTS \
       "uniform vec3 offset;\n" \
@@ -94,19 +94,19 @@ static const gfloat from_yuv_bt709_bcoeff[] = {1.164,2.112, 0.000};
  * Y = [16..235] (of 255)
  * Cb/Cr = [16..240] (of 255)
  */
-static const gfloat from_rgb_bt601_offset[] = {0.0625, 0.5, 0.5};
-static const gfloat from_rgb_bt601_ycoeff[] = {0.256816, 0.504154, 0.0979137};
-static const gfloat from_rgb_bt601_ucoeff[] = {-0.148246, -0.29102, 0.439266};
-static const gfloat from_rgb_bt601_vcoeff[] = {0.439271, -0.367833, -0.071438};
+static const gfloat from_rgb_bt601_offset[] = {0.0625f, 0.5f, 0.5f};
+static const gfloat from_rgb_bt601_ycoeff[] = {0.256816f, 0.504154f, 0.0979137f};
+static const gfloat from_rgb_bt601_ucoeff[] = {-0.148246f, -0.29102f, 0.439266f};
+static const gfloat from_rgb_bt601_vcoeff[] = {0.439271f, -0.367833f, -0.071438f};
 
 /* BT. 709 standard with the following ranges:
  * Y = [16..235] (of 255)
  * Cb/Cr = [16..240] (of 255)
  */
-static const gfloat from_rgb_bt709_offset[] = {0.0625, 0.5, 0.5};
-static const gfloat from_rgb_bt709_ycoeff[] = { 0.182604, 0.614526, 0.061976 };
-static const gfloat from_rgb_bt709_ucoeff[] = { -0.100640, -0.338688, 0.439327 };
-static const gfloat from_rgb_bt709_vcoeff[] = { 0.440654, -0.400285, -0.040370 };
+static const gfloat from_rgb_bt709_offset[] = {0.0625f, 0.5f, 0.5f};
+static const gfloat from_rgb_bt709_ycoeff[] = {0.182604f, 0.614526f, 0.061976f};
+static const gfloat from_rgb_bt709_ucoeff[] = {-0.100640f, -0.338688f, 0.439327f};
+static const gfloat from_rgb_bt709_vcoeff[] = {0.440654f, -0.400285f, -0.040370f};
 
 /* GRAY16 to RGB conversion
  *  data transfered as GL_LUMINANCE_ALPHA then convert back to GRAY16 
diff --git a/gst-libs/gst/gl/gstglviewconvert.c b/gst-libs/gst/gl/gstglviewconvert.c
index c409e3a662..5fa06eb738 100644
--- a/gst-libs/gst/gl/gstglviewconvert.c
+++ b/gst-libs/gst/gl/gstglviewconvert.c
@@ -132,17 +132,17 @@ gst_gl_stereo_downmix_mode_get_type (void)
 /* These match the order and number of DOWNMIX_ANAGLYPH_* modes */
 static GLfloat downmix_matrices[][2][9] = {
   {                             /* Green-Magenta Dubois */
-        {-0.062, 0.284, -0.015, -0.158, 0.668, -0.027, -0.039, 0.143, 0.021},
-        {0.529, -0.016, 0.009, 0.705, -0.015, 0.075, 0.024, -0.065, 0.937}
+        {-0.062f, 0.284f, -0.015f, -0.158f, 0.668f, -0.027f, -0.039f, 0.143f, 0.021f},
+        {0.529f, -0.016f, 0.009f, 0.705f, -0.015f, 0.075f, 0.024f, -0.065f, 0.937f}
       },
   {                             /* Red-Cyan Dubois */
         /* Source of this matrix: http://www.site.uottawa.ca/~edubois/anaglyph/LeastSquaresHowToPhotoshop.pdf */
-        {0.437, -0.062, -0.048, 0.449, -0.062, -0.050, 0.164, -0.024, -0.017},
-        {-0.011, 0.377, -0.026, -0.032, 0.761, -0.093, -0.007, 0.009, 1.234}
+        {0.437f, -0.062f, -0.048f, 0.449f, -0.062f, -0.050f, 0.164f, -0.024f, -0.017f},
+        {-0.011f, 0.377f, -0.026f, -0.032f, 0.761f, -0.093f, -0.007f, 0.009f, 1.234f}
       },
   {                             /* Amber-blue Dubois */
-        {1.062, -0.026, -0.038, -0.205, 0.908, -0.173, 0.299, 0.068, 0.022},
-        {-0.016, 0.006, 0.094, -0.123, 0.062, 0.185, -0.017, -0.017, 0.911}
+        {1.062f, -0.026f, -0.038f, -0.205f, 0.908f, -0.173f, 0.299f, 0.068f, 0.022f},
+        {-0.016f, 0.006f, 0.094f, -0.123f, 0.062f, 0.185f, -0.017f, -0.017f, 0.911f}
       }
 };