diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 
diff --git a/src/core/sprites/webgl/texture.vert b/src/core/sprites/webgl/texture.vert
index 87a6199..56cf3d8 100644
--- a/src/core/sprites/webgl/texture.vert
+++ b/src/core/sprites/webgl/texture.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 attribute vec4 aColor;
@@ -15,4 +15,4 @@
    vTextureCoord = aTextureCoord;
    vTextureId = aTextureId;
    vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 
diff --git a/src/core/sprites/webgl/texture.vert b/src/core/sprites/webgl/texture.vert
index 87a6199..56cf3d8 100644
--- a/src/core/sprites/webgl/texture.vert
+++ b/src/core/sprites/webgl/texture.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 attribute vec4 aColor;
@@ -15,4 +15,4 @@
    vTextureCoord = aTextureCoord;
    vTextureId = aTextureId;
    vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.frag b/src/extras/webgl/tilingSprite.frag
index 21d8ee6..5da42e1 100644
--- a/src/extras/webgl/tilingSprite.frag
+++ b/src/extras/webgl/tilingSprite.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vTextureCoord;
 varying vec4 vColor;
@@ -15,4 +15,4 @@
    coord += uFrame.xy;
 
    gl_FragColor =  texture2D(uSampler, coord) ;
-}
\ No newline at end of file
+}

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 
diff --git a/src/core/sprites/webgl/texture.vert b/src/core/sprites/webgl/texture.vert
index 87a6199..56cf3d8 100644
--- a/src/core/sprites/webgl/texture.vert
+++ b/src/core/sprites/webgl/texture.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 attribute vec4 aColor;
@@ -15,4 +15,4 @@
    vTextureCoord = aTextureCoord;
    vTextureId = aTextureId;
    vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.frag b/src/extras/webgl/tilingSprite.frag
index 21d8ee6..5da42e1 100644
--- a/src/extras/webgl/tilingSprite.frag
+++ b/src/extras/webgl/tilingSprite.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vTextureCoord;
 varying vec4 vColor;
@@ -15,4 +15,4 @@
    coord += uFrame.xy;
 
    gl_FragColor =  texture2D(uSampler, coord) ;
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.vert b/src/extras/webgl/tilingSprite.vert
index 3f989ea..571f1f7 100644
--- a/src/extras/webgl/tilingSprite.vert
+++ b/src/extras/webgl/tilingSprite.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
@@ -16,11 +16,11 @@
 void main(void)
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
-    
+
     vec2 coord = aTextureCoord;
     coord -= uTransform.xy;
     coord /= uTransform.zw;
     vTextureCoord = coord;
-    
+
     vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 
diff --git a/src/core/sprites/webgl/texture.vert b/src/core/sprites/webgl/texture.vert
index 87a6199..56cf3d8 100644
--- a/src/core/sprites/webgl/texture.vert
+++ b/src/core/sprites/webgl/texture.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 attribute vec4 aColor;
@@ -15,4 +15,4 @@
    vTextureCoord = aTextureCoord;
    vTextureId = aTextureId;
    vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.frag b/src/extras/webgl/tilingSprite.frag
index 21d8ee6..5da42e1 100644
--- a/src/extras/webgl/tilingSprite.frag
+++ b/src/extras/webgl/tilingSprite.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vTextureCoord;
 varying vec4 vColor;
@@ -15,4 +15,4 @@
    coord += uFrame.xy;
 
    gl_FragColor =  texture2D(uSampler, coord) ;
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.vert b/src/extras/webgl/tilingSprite.vert
index 3f989ea..571f1f7 100644
--- a/src/extras/webgl/tilingSprite.vert
+++ b/src/extras/webgl/tilingSprite.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
@@ -16,11 +16,11 @@
 void main(void)
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
-    
+
     vec2 coord = aTextureCoord;
     coord -= uTransform.xy;
     coord /= uTransform.zw;
     vTextureCoord = coord;
-    
+
     vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/filters/FXAA/FXAA.frag b/src/filters/FXAA/FXAA.frag
index 2f3b3ae..4dd287d 100755
--- a/src/filters/FXAA/FXAA.frag
+++ b/src/filters/FXAA/FXAA.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 
 /**

diff --git a/src/core/const.js b/src/core/const.js
index 470852b..198f528 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -16,7 +16,7 @@
 
     /**
      * Two Pi.
-     * 
+     *
      * @property {number} PI_2
      * @constant
      * @static
@@ -25,7 +25,7 @@
 
     /**
      * Conversion factor for converting radians to degrees.
-     * 
+     *
      * @property {number} RAD_TO_DEG
      * @constant
      * @static
@@ -34,7 +34,7 @@
 
     /**
      * Conversion factor for converting degrees to radians.
-     * 
+     *
      * @property {number} DEG_TO_RAD
      * @constant
      * @static
@@ -68,7 +68,7 @@
 
     /**
      * Various blend modes supported by PIXI.
-     * 
+     *
      * IMPORTANT - The WebGL renderer only supports the NORMAL, ADD, MULTIPLY and SCREEN blend modes.
      * Anything else will silently act like NORMAL.
      *
@@ -164,7 +164,7 @@
      * It can be re-assigned to either CLAMP or REPEAT, depending upon suitability.
      * If the texture is non power of two then clamp will be used regardless as webGL can only use REPEAT if the texture is po2.
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} WRAP_MODES
@@ -190,7 +190,7 @@
      * This property only affects WebGL
      * Handy for mobile devices!
      * This property only affects WebGL.
-     * 
+     *
      * @static
      * @constant
      * @property {object} GC_MODES
@@ -207,7 +207,7 @@
     /**
      * If set to true WebGL will attempt make textures mimpaped by default.
      * Mipmapping will only succeed if the base texture uploaded has power of two dimensions.
-     * 
+     *
      * @static
      * @constant
      * @property {bool} MIPMAP_TEXTURES
@@ -226,7 +226,7 @@
 
     /**
      * Default resolution of the renderer.
-     * 
+     *
      * @property {number} RESOLUTION
      * @constant
      * @static
@@ -235,7 +235,7 @@
 
     /**
      * Default filter resolution.
-     * 
+     *
      * @property {number} FILTER_RESOLUTION
      * @constant
      * @static
@@ -293,11 +293,29 @@
         RREC: 4
     },
 
+    /**
+     * Constants that specify float precision in shaders.
+     *
+     * @static
+     * @constant
+     * @property {object} PRECISION
+     * @property {number} PRECISION.DEFAULT='mediump'
+     * @property {number} PRECISION.LOW='lowp'
+     * @property {number} PRECISION.MEDIUM='mediump'
+     * @property {number} PRECISION.HIGH='highp'
+     */
+    PRECISION: {
+        DEFAULT: 'mediump',
+        LOW: 'lowp',
+        MEDIUM: 'mediump',
+        HIGH: 'highp'
+    },
+
     // TODO: maybe change to SPRITE.BATCH_SIZE: 2000
     // TODO: maybe add PARTICLE.BATCH_SIZE: 15000
     SPRITE_BATCH_SIZE: 4096, //nice balance between mobile and desktop machines
     SPRITE_MAX_TEXTURES: require('./utils/maxRecommendedTextures')(32), //this is the MAXIMUM - various gpus will have there own limits.
-    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed 
+    TEXT_STYLE_CHANGED: 'changed' //Name of the event that fires when a text style is changed
 };
 
 module.exports = CONST;
diff --git a/src/core/renderers/webgl/filters/Filter.js b/src/core/renderers/webgl/filters/Filter.js
index 755ea02..8ba7d88 100644
--- a/src/core/renderers/webgl/filters/Filter.js
+++ b/src/core/renderers/webgl/filters/Filter.js
@@ -1,5 +1,6 @@
 var extractUniformsFromSrc = require('./extractUniformsFromSrc'),
     utils = require('../../../utils'),
+    Const = require('../../../const'),
     SOURCE_KEY_MAP = {};
 
 // var math = require('../../../math');
@@ -28,6 +29,10 @@
      */
     this.fragmentSrc = fragmentSrc || Filter.defaultFragmentSrc;
 
+    this.vertexSrc = this.vertexSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
+    this.fragmentSrc = this.fragmentSrc.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+
     // pull out the vertex and shader uniforms if they are not specified..
     // currently this does not extract structs only default types
     this.uniformData = uniforms || extractUniformsFromSrc( this.vertexSrc, this.fragmentSrc, 'projectionMatrix|uSampler');
diff --git a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
index 690dab0..951f03f 100644
--- a/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
+++ b/src/core/renderers/webgl/filters/spriteMask/spriteMaskFilter.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vMaskCoord;
 varying vec2 vTextureCoord;
diff --git a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
index 062cc0b..c77cb50 100644
--- a/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
+++ b/src/core/renderers/webgl/utils/checkMaxIfStatmentsInShader.js
@@ -26,7 +26,7 @@
 
     while(true)
     {
-        var fragmentSrc = fragTemplate.replace(/\%forloop\%/gi, generateIfTestSrc(maxIfs));
+        var fragmentSrc = fragTemplate.replace(/%forloop%/gi, generateIfTestSrc(maxIfs));
 
         gl.shaderSource(shader, fragmentSrc);
         gl.compileShader(shader);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index e749168..1ac5853 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -1,8 +1,9 @@
 var Shader = require('pixi-gl-core').GLShader; var glslify  = require('glslify');
+var Const = require('../../const');
 
 var fragTemplate = [
 
-    'precision lowp float;',
+    'precision %PRECISION% float;',
     'varying vec2 vTextureCoord;',
     'varying vec4 vColor;',
     'varying float vTextureId;',
@@ -17,11 +18,11 @@
 
 function generateMultiTextureShader(gl, maxTextures)
 {
-    var vertexSrc = glslify('./texture.vert');
-    var fragmentSrc = fragTemplate;
+    var vertexSrc = glslify('./texture.vert').replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
+    var fragmentSrc = fragTemplate.replace(/%PRECISION%/gi, Const.PRECISION.DEFAULT);
 
-    fragmentSrc = fragmentSrc.replace(/\%count\%/gi, maxTextures);
-    fragmentSrc = fragmentSrc.replace(/\%forloop\%/gi, generateSampleSrc(maxTextures));
+    fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
+    fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
     var shader = new Shader(gl, vertexSrc, fragmentSrc);
 
diff --git a/src/core/sprites/webgl/texture.vert b/src/core/sprites/webgl/texture.vert
index 87a6199..56cf3d8 100644
--- a/src/core/sprites/webgl/texture.vert
+++ b/src/core/sprites/webgl/texture.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
 attribute vec4 aColor;
@@ -15,4 +15,4 @@
    vTextureCoord = aTextureCoord;
    vTextureId = aTextureId;
    vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.frag b/src/extras/webgl/tilingSprite.frag
index 21d8ee6..5da42e1 100644
--- a/src/extras/webgl/tilingSprite.frag
+++ b/src/extras/webgl/tilingSprite.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 varying vec2 vTextureCoord;
 varying vec4 vColor;
@@ -15,4 +15,4 @@
    coord += uFrame.xy;
 
    gl_FragColor =  texture2D(uSampler, coord) ;
-}
\ No newline at end of file
+}
diff --git a/src/extras/webgl/tilingSprite.vert b/src/extras/webgl/tilingSprite.vert
index 3f989ea..571f1f7 100644
--- a/src/extras/webgl/tilingSprite.vert
+++ b/src/extras/webgl/tilingSprite.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
@@ -16,11 +16,11 @@
 void main(void)
 {
     gl_Position = vec4((projectionMatrix * translationMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
-    
+
     vec2 coord = aTextureCoord;
     coord -= uTransform.xy;
     coord /= uTransform.zw;
     vTextureCoord = coord;
-    
+
     vColor = vec4(aColor.rgb * aColor.a, aColor.a);
-}
\ No newline at end of file
+}
diff --git a/src/filters/FXAA/FXAA.frag b/src/filters/FXAA/FXAA.frag
index 2f3b3ae..4dd287d 100755
--- a/src/filters/FXAA/FXAA.frag
+++ b/src/filters/FXAA/FXAA.frag
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 
 /**
diff --git a/src/filters/gray/gray.vert b/src/filters/gray/gray.vert
index e79970e..3df85a3 100644
--- a/src/filters/gray/gray.vert
+++ b/src/filters/gray/gray.vert
@@ -1,4 +1,4 @@
-precision lowp float;
+precision %PRECISION% float;
 
 attribute vec2 aVertexPosition;
 attribute vec2 aTextureCoord;
@@ -9,4 +9,4 @@
 void main(void){
     gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);
     vTextureCoord = aTextureCoord;
-}
\ No newline at end of file
+}