diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 05258f6..fdd49f7 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -540,7 +540,7 @@
 };
 
 /**
- * Maps Pixi blend modes to WebGL blend modes.
+ * Maps Pixi blend modes to WebGL blend modes. It works only for pre-multiplied textures.
  *
  * @private
  */
@@ -553,9 +553,9 @@
         this.blendModes = {};
 
         this.blendModes[CONST.BLEND_MODES.NORMAL]        = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
-        this.blendModes[CONST.BLEND_MODES.ADD]           = [gl.SRC_ALPHA, gl.DST_ALPHA];
+        this.blendModes[CONST.BLEND_MODES.ADD]           = [gl.ONE,       gl.DST_ALPHA];
         this.blendModes[CONST.BLEND_MODES.MULTIPLY]      = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA];
-        this.blendModes[CONST.BLEND_MODES.SCREEN]        = [gl.SRC_ALPHA, gl.ONE];
+        this.blendModes[CONST.BLEND_MODES.SCREEN]        = [gl.ONE,       gl.ONE_MINUS_SRC_COLOR];
         this.blendModes[CONST.BLEND_MODES.OVERLAY]       = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
         this.blendModes[CONST.BLEND_MODES.DARKEN]        = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
         this.blendModes[CONST.BLEND_MODES.LIGHTEN]       = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 05258f6..fdd49f7 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -540,7 +540,7 @@
 };
 
 /**
- * Maps Pixi blend modes to WebGL blend modes.
+ * Maps Pixi blend modes to WebGL blend modes. It works only for pre-multiplied textures.
  *
  * @private
  */
@@ -553,9 +553,9 @@
         this.blendModes = {};
 
         this.blendModes[CONST.BLEND_MODES.NORMAL]        = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
-        this.blendModes[CONST.BLEND_MODES.ADD]           = [gl.SRC_ALPHA, gl.DST_ALPHA];
+        this.blendModes[CONST.BLEND_MODES.ADD]           = [gl.ONE,       gl.DST_ALPHA];
         this.blendModes[CONST.BLEND_MODES.MULTIPLY]      = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA];
-        this.blendModes[CONST.BLEND_MODES.SCREEN]        = [gl.SRC_ALPHA, gl.ONE];
+        this.blendModes[CONST.BLEND_MODES.SCREEN]        = [gl.ONE,       gl.ONE_MINUS_SRC_COLOR];
         this.blendModes[CONST.BLEND_MODES.OVERLAY]       = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
         this.blendModes[CONST.BLEND_MODES.DARKEN]        = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
         this.blendModes[CONST.BLEND_MODES.LIGHTEN]       = [gl.ONE,       gl.ONE_MINUS_SRC_ALPHA];
diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 78e5151..deb36d2 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -100,6 +100,7 @@
 
     /**
      * Controls if RGB channels should be pre-multiplied by Alpha  (WebGL only)
+     * All blend modes, and shaders written for default value. Change it on your own risk.
      *
      * @member {boolean}
      * @default true