EGLX11MockNavigation: fixed shader to mediump instead of highp to support egl minimum...

diff --git a/LayerManagerExamples/EGLX11MockNavigation/src/ShaderLighting.cpp b/LayerManagerExamples/EGLX11MockNavigation/src/ShaderLighting.cpp
index 7e4170f..94e49a8 100644 (file)
--- a/LayerManagerExamples/EGLX11MockNavigation/src/ShaderLighting.cpp
+++ b/LayerManagerExamples/EGLX11MockNavigation/src/ShaderLighting.cpp
@@ -20,9 +20,9 @@
 #include "IlmMatrix.h"
 
 const char* vertexShaderCode =
-                   "attribute highp vec4 a_vertex;                                   \
+                   "attribute mediump vec4 a_vertex;                                 \
                     uniform mediump mat4 u_modelMatrix;                              \
-                    varying highp vec4 v_normal;                                     \
+                    varying mediump vec4 v_normal;                                   \
              void main(void)                                                  \
              {                                                                \
                  gl_Position = u_projectionMatrix * u_modelMatrix * a_vertex; \
@@ -30,11 +30,11 @@ const char* vertexShaderCode =
              }";
 
 const char* fragmentShaderCode =
-                   "uniform mediump vec4 u_color; \
-                    varying highp vec4 v_normal;  \
-                    highp vec4 lightPosition;     \
-             void main (void)              \
-                    {                             \
+                   "uniform mediump vec4 u_color;   \
+                    varying mediump vec4 v_normal;  \
+                    mediump vec4 lightPosition;     \
+             void main (void)                \
+                    {                               \
                         lightPosition = normalize(vec4(-3.0, -5.0, 10.0, 1.0));   \
                         gl_FragColor = max(dot(v_normal, lightPosition), 0.0) * 0.5 * u_color + 0.8 * u_color;   \
                         gl_FragColor.a = 1.0;   \