diff --git a/ui/gl/gl_image.cpp b/ui/gl/gl_image.cpp
index 1e8daa7..3527faf 100644
--- a/ui/gl/gl_image.cpp
+++ b/ui/gl/gl_image.cpp
@@ -11,17 +11,21 @@
 namespace Ui::GL {
 namespace details {
 
-void GenerateTextures(QOpenGLFunctions &f, gsl::span<GLuint> values) {
+void GenerateTextures(
+		QOpenGLFunctions &f,
+		gsl::span<GLuint> values,
+		GLint filter,
+		GLint clamp) {
 	Expects(!values.empty());
 
 	f.glGenTextures(values.size(), values.data());
+
 	for (const auto texture : values) {
 		f.glBindTexture(GL_TEXTURE_2D, texture);
-		const auto clamp = GL_CLAMP_TO_EDGE;
 		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp);
 		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp);
-		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+		f.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
 	}
 }
 
@@ -68,7 +72,7 @@ void Image::bind(QOpenGLFunctions &f, QSize subimage) {
 	Expects(subimage.width() <= _image.width()
 		&& subimage.height() <= _image.height());
 
-	_textures.ensureCreated(f);
+	_textures.ensureCreated(f, GL_NEAREST);
 	if (!subimage.isValid()) {
 		subimage = _image.size();
 	}
diff --git a/ui/gl/gl_image.h b/ui/gl/gl_image.h
index 64c091d..6965752 100644
--- a/ui/gl/gl_image.h
+++ b/ui/gl/gl_image.h
@@ -13,7 +13,11 @@
 namespace Ui::GL {
 namespace details {
 
-void GenerateTextures(QOpenGLFunctions &f, gsl::span<GLuint> values);
+void GenerateTextures(
+	QOpenGLFunctions &f,
+	gsl::span<GLuint> values,
+	GLint filter,
+	GLint clamp);
 void DestroyTextures(QOpenGLFunctions &f, gsl::span<GLuint> values);
 
 void GenerateFramebuffers(QOpenGLFunctions &f, gsl::span<GLuint> values);
@@ -26,9 +30,16 @@ class Textures final {
 public:
 	static_assert(Count > 0);
 
-	void ensureCreated(QOpenGLFunctions &f) {
+	void ensureCreated(
+			QOpenGLFunctions &f,
+			GLint filter = GL_LINEAR,
+			GLint clamp = GL_CLAMP_TO_EDGE) {
 		if (!created()) {
-			details::GenerateTextures(f, gsl::make_span(_values));
+			details::GenerateTextures(
+				f,
+				gsl::make_span(_values),
+				filter,
+				clamp);
 		}
 	}
 	void destroy(QOpenGLFunctions &f) {
diff --git a/ui/gl/gl_shader.cpp b/ui/gl/gl_shader.cpp
index 7a04d1e..d504863 100644
--- a/ui/gl/gl_shader.cpp
+++ b/ui/gl/gl_shader.cpp
@@ -74,11 +74,9 @@ uniform sampler2D u_texture;
 uniform sampler2D v_texture;
 )",
 		.body = R"(
-//	float y = texture2D(y_texture, v_texcoord).r;
 	float y = texture2D(y_texture, v_texcoord).r - 0.0625;
 	float u = texture2D(u_texture, v_texcoord).r - 0.5;
 	float v = texture2D(v_texture, v_texcoord).r - 0.5;
-//	result = vec4(y + 1.403 * v, y - 0.344 * u - 0.714 * v, y + 1.77 * u, 1);
 	result = vec4(
 		1.164 * y + 1.596 * v,
 		1.164 * y - 0.392 * u - 0.813 * v,