diff --git a/src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp b/src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp
index 41500a39..c37dd2fb 100644
--- a/src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp
+++ b/src/Graphics/OpenGLContext/GLSL/glsl_SpecialShadersFactory.cpp
@@ -358,19 +358,8 @@ namespace glsl {
 		std::string const& getHybridTextureFilter()
 	{
 		static std::string strFilter =
-			"#if __VERSION__ < 130                                                              \n"
-			"uniform ivec2 uTextureSize;                                                        \n"
-			"#endif                                                                             \n"
 			"uniform sampler2D uTex0;                                                           \n"
 			"                                                                                   \n"
-			"ivec2 getTextureSize()                                                             \n"
-			"{                                                                                  \n"
-			"#if __VERSION__ < 130                                                              \n"
-			"    return uTextureSize;                                                           \n"
-			"#else                                                                              \n"
-			"    return textureSize(uTex0, 0);                                                  \n"
-			"#endif                                                                             \n"
-			"}                                                                                  \n"
 			"mediump vec2 norm2denorm(in mediump vec2 uv, in ivec2 texture_size)                \n"
 			"{                                                                                  \n"
 			"       return uv * vec2(texture_size) - 0.5;                                       \n"
@@ -395,7 +384,7 @@ namespace glsl {
 			"}                                                                                  \n"
 			"mediump vec4 hybridFilter(in mediump vec2 uv)                                      \n"
 			"{                                                                                  \n"
-			"       ivec2 texSize = getTextureSize();                                           \n"
+			"       ivec2 texSize = textureSize(uTex0, 0);                                      \n"
 			"       mediump vec2 denorm_uv = norm2denorm(uv,texSize);                           \n"
 			"       ivec2 idx_low = denorm2idx(denorm_uv);                                      \n"
 			"       mediump vec2 ratio = denorm_uv - vec2(idx_low);                             \n"
@@ -459,15 +448,27 @@ namespace glsl {
 	public:
 		TexrectCopy(const opengl::GLInfo & _glinfo)
 		{
-			m_part = getHybridTextureFilter();
-			m_part +=
-				"IN mediump vec2 vTexCoord0;				\n"
-				"OUT lowp vec4 fragColor;					\n"
-				"											\n"
-				"void main()								\n"
-				"{											\n"
-				"	fragColor = hybridFilter(vTexCoord0);	\n"
-			;
+			if (_glinfo.isGLES2) {
+				m_part =
+					"IN mediump vec2 vTexCoord0;							\n"
+					"uniform sampler2D uTex0;								\n"
+					"OUT lowp vec4 fragColor;								\n"
+					"														\n"
+					"void main()											\n"
+					"{														\n"
+					"	fragColor = texture2D(uTex0, vTexCoord0);			\n"
+					;
+			} else {
+				m_part = getHybridTextureFilter();
+				m_part +=
+					"IN mediump vec2 vTexCoord0;				\n"
+					"OUT lowp vec4 fragColor;					\n"
+					"											\n"
+					"void main()								\n"
+					"{											\n"
+					"	fragColor = hybridFilter(vTexCoord0);	\n"
+					;
+			}
 		}
 	};
 
@@ -478,17 +479,31 @@ namespace glsl {
 	public:
 		TexrectColorAndDepthCopy(const opengl::GLInfo & _glinfo)
 		{
-			m_part = getHybridTextureFilter();
-			m_part +=
-				"IN mediump vec2 vTexCoord0;						\n"
-				"uniform sampler2D uTex1;							\n"
-				"OUT lowp vec4 fragColor;							\n"
-				"													\n"
-				"void main()										\n"
-				"{													\n"
-				"	fragColor = hybridFilter(vTexCoord0);			\n"
-				"	gl_FragDepth = texture2D(uTex1, vTexCoord0).r;	\n"
-			;
+			if (_glinfo.isGLES2) {
+				m_part =
+					"IN mediump vec2 vTexCoord0;							\n"
+					"uniform sampler2D uTex0;								\n"
+					"uniform sampler2D uTex1;								\n"
+					"OUT lowp vec4 fragColor;								\n"
+					"														\n"
+					"void main()											\n"
+					"{														\n"
+					"	fragColor = texture2D(uTex0, vTexCoord0);			\n"
+					"	gl_FragDepth = texture2D(uTex1, vTexCoord0).r;		\n"
+					;
+			} else {
+				m_part = getHybridTextureFilter();
+				m_part +=
+					"IN mediump vec2 vTexCoord0;						\n"
+					"uniform sampler2D uTex1;							\n"
+					"OUT lowp vec4 fragColor;							\n"
+					"													\n"
+					"void main()										\n"
+					"{													\n"
+					"	fragColor = hybridFilter(vTexCoord0);			\n"
+					"	gl_FragDepth = texture2D(uTex1, vTexCoord0).r;	\n"
+					;
+			}
 		}
 	};
 
@@ -781,23 +796,8 @@ namespace glsl {
 			m_useProgram->useProgram(m_program);
 			const int texLoc = glGetUniformLocation(GLuint(m_program), "uTex0");
 			glUniform1i(texLoc, 0);
-			m_textureSizeLoc = glGetUniformLocation(GLuint(m_program), "uTextureSize");
 			m_useProgram->useProgram(graphics::ObjectHandle::null);
 		}
-
-		void activate() override
-		{
-			TexrectCopyShaderBase::activate();
-			if (m_textureSizeLoc < 0)
-				return;
-			GLint texWidth, texHeight;
-			glGetTexLevelParameteriv(0, 0, GL_TEXTURE_WIDTH, &texWidth);
-			glGetTexLevelParameteriv(0, 0, GL_TEXTURE_HEIGHT, &texHeight);
-			glUniform2i(m_textureSizeLoc, texWidth, texHeight);
-		}
-
-	private:
-		GLint m_textureSizeLoc;
 	};
 
 	/*---------------TexrectColorAndDepthCopyShader-------------*/
@@ -819,23 +819,8 @@ namespace glsl {
 			glUniform1i(texLoc0, 0);
 			const int texLoc1 = glGetUniformLocation(GLuint(m_program), "uTex1");
 			glUniform1i(texLoc1, 1);
-			m_textureSizeLoc = glGetUniformLocation(GLuint(m_program), "uTextureSize");
 			m_useProgram->useProgram(graphics::ObjectHandle::null);
 		}
-
-		void activate() override
-		{
-			TexrectColorAndDepthCopyShaderBase::activate();
-			if (m_textureSizeLoc < 0)
-				return;
-			GLint texWidth, texHeight;
-			glGetTexLevelParameteriv(0, 0, GL_TEXTURE_WIDTH, &texWidth);
-			glGetTexLevelParameteriv(0, 0, GL_TEXTURE_HEIGHT, &texHeight);
-			glUniform2i(m_textureSizeLoc, texWidth, texHeight);
-		}
-
-	private:
-		GLint m_textureSizeLoc;
 	};
 
 	/*---------------PostProcessorShader-------------*/