diff -r 34c6e7bc4ee1 -r c7241f504117 src/gl/gridprogram.h
--- a/src/gl/gridprogram.h	Sun Jun 12 23:59:37 2022 +0300
+++ b/src/gl/gridprogram.h	Mon Jun 13 02:18:25 2022 +0300
@@ -20,23 +20,16 @@
 #include "basicshaderprogram.h"
 #include "common.h"
 
-class GridProgram : public AbstractBasicShaderProgram
+class GridLayer final : public RenderLayer
 {
-	Q_OBJECT
+	BasicShader shader;
+	glm::vec4 gridColor = {1.0f, 1.0f, 1.0f, 0.75f};
+	bool isInitialized = false;
 public:
-	GridProgram(QObject* parent = nullptr);
 	void setGridMatrix(const glm::mat4& newGridMatrix);
 	void setGridColor(const QColor& newGridColor);
 protected:
-	const char* vertexShaderSource() const override;
-	const char* fragmentShaderSource() const override;
-	const void* vertexData() const override;
-	int vertexSize() const override;
-	int vertexCount() const override;
-	void setupVertexArrays() override;
-	GLenum drawMode() const override;
-	QOpenGLBuffer::UsagePattern usagePattern() const override;
-private:
-	glm::vec4 gridColor = {1.0f, 1.0f, 1.0f, 0.75f};
-	std::vector<glm::vec2> gridData;
+	void initializeGL() override;
+	void paintGL() override;
+	void mvpMatrixChanged(const glm::mat4& mvpMatrix) override;
 };